2. FINCELIUS (J.).—De miraculis sui temporis, Francofurti, 1556-7. (This case is quoted by Lycosthenes (C.) in his Prodigiorum ac Ostentorum chronicon, p. 623, 1557; by Licetus, Schenkius, and Aldrovandi.)

3. ALDROVANDI (U.)—Monstrorum historia, cap. vi., De vitiata pedum conformatione, p. 519, Bononiae, 1642.

4. SCULTETUS (J.). Armamentarium chirurgicum, p. 172, Hagae-Comitum, 1656. Not illustrated.

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6. DU CAUROI.-Letter in Le Journal des Sçavans, xxiv. (for 1696), p. 81. 2nd Edit. Amsterdam, 1709.

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17. WALTER (J..G).—Museum anatomicum Berolini, i., p. 122, No. 816, 1805.

18. OTTO (A. G.)—Monstrorum sex humanorum anat. et physiol. disquisitio, 4, p. 33, Francofurti, 1811; also in his Monstrorum sexcentorum descriptio anatomica, Obs. cclx., p. 153. Vratislaviae, 1841.

18A. BLUMENBACH (J. F.)—De anomalis vitiosis quibusdam nisus formativi aberrationibus, p. 7. Gottingae, 1813.

19-20-21. DIECKERHOFF (F. H. C.).—De Monopodia. Diss. inaug. Halae, 1819. Illustrated.

22. RIBKE (C. H.)-Verzeichniss einer Sammlung anatomischer Praeparate. Berlin, 1819. Quoted by Koehler, Jena, 1831, and by others.

་

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25-29 BEHN (H. J.) De monopodibus. Diss. inaug. Berolini. 1827. Illustrated.

30. CRUVEILHIER (J.)—' Note sur un cas de monopodie,' Bull. de la Soc. anat. de Paris, 1827, 2nd Edit., ii., p. 205, 1844; also in Journ. de Progrès et instit. méd., viii., p. 254, 1827; also in Journ. de Médecine, i., p. 365, 1827.

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32. GOYRAND (G.)—'Foetus monstrueux,' Archives gén. de Médecine, xxii., p. 234, 1830.

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34. KOEHLER (E.)—Descript. monstri humani monopodis, adjectis nonnullis de monopodia animadversionibus. Diss. inaug. Jenae, 1831. Illustrated.

35. LEVY (M. M.).— De sympodia, seu monstrositate sireniformi, cum anatomica ejusmodi monstri descriptione. Diss. Havniae, 1833.

36. RODATI (L.).-'De foetu mostroso," Novi commentari Acad. Scientiarum Instituti Bononiensis, i., p. 32, 1834. Illustrated. Quoted by Taruffi (vii., p. 520.)

37-38-39. SAINT HILAIRE (I. G.).-Des Anomalies, etc., ii., p. 241, 1836. Illustrated (Atlas, Pl. v., figs. 2 and 3).

40. BARDINET (A.).—' Observations teratologiques, i. Sirenomèle,' Bull. de la Soc. Anat. de Paris, xiii., p. 196, 1838; also in Cruveilhier's Anat. path. ii., Liv. 33, Pl. v., figs. 1 to 6, 1835-42.

41. CRUVEILHIER (J.)— Anatomie pathologique, ii., Liv. 40, Pl. vi., figs. 1 to 8, 1835-42.

42. WOLFF (G. P. J.).-Specimen anatomico-pathologicum de monstris sireniformibus. Amstelodami, 1839.

43. HUESKER (B. W.)—De vitiis syngeneticis adjecta monstri sireniformis descriptione, p. 31. Diss. inaug. Gryphiae,

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44-47. OTTO (A. G.) Monstrorum sexcentorum descriptio anatomica, pp. 155-159, Obs. 262, 263, 264, and 265. Vratislaviae, 1841. Illustrated.

48. STEIN. Ein sirenenartige Missgeburt von chinesischen Eltern,' Neue Zeitschr. f. Geburtskunde, x., p. 338, 1841. 49. CORTESE (F.).—'Sopra alcuni casi di anomalie di sviluppo,' Memorie della medicina contemporanea, viii., p. 22. Venezia, 1842.

50. PASANISI (N.).-' Di un feto mostruoso,' Annali degli aspiranti naturalisti, i., p. 92. Napoli, 1843.

51. DUNN (R.).- Case of monstrosity,' Lancet, i., for 1844, p. 152.

52. LANGSDORFF (C. G.).—De sympodia. Diss. sistens descriptionem anatomicam infantis parte inferiore monstruosi. Heidelbergae, 1846. Illustrated.

53. GADDI (P.).—' Cenni sopra tre mostri della specie umana,' L'Educatore storico. Modena, 1847. Illustrated. Quoted by Taruffi (vii., p. 514).

54. VROLIK (W.).—Tabulae ad illustrandam, etc., Pl. lxiv., fig. 6. Amsterdam, 1849. (Hovius' specimen.)

55. VROLIK (W.).-Tabulae ad illustrandam, etc. Pl. lxv., figs. 1 and 2. Amsterdam, 1849. (Baart de la Faille's specimen.)

56. VROLIK (W.).-Tabulae ad illustrandam, etc.

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3 and 4; Pl. lxvi., figs. 1 to 5; and Pl. lxvii., figs. 1 to 4. Amsterdam, 1849. (Suerman's specimen.)

57. EHRMANN (C. H.).—Description de deux fœtus monstres dont l'un acéphale et l'autre monopode. Musée d'Anatomie

de la Faculté de Méd. de Strasbourg, p. 5, 1852. Illustrated.

58. GERRARD (J.).—' Unusual Foetal Deformity; Retention of Placenta,' Monthly Journ. Med. Sc., Lond. and Edin., xx., p. 348, 1855.

59. DALKOWSKI (E. J.).—De monopodia. Diss. inaug. Regimonti Pr., 1855. Illustrated.

60. ORSOLATO (G.).- Storia e descrizione anatomica d'un mostro umano appartenente alle Sirene,' Rivista periodica dei lavori della Imp. R. Accademia di Padova, iii., p. 141. Padova, 1855.

61. WOLFF (F.). De sympodia.

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62. MILROY (D.).- Case of Human Monstrosity,' Edin. Med. Journ., iv., p. 1098, 1859. Illustrated.

63. CALORI (L.).- Sopra un sirenomelo,' Memorie dell' Accademia delle Scienze di Bologna, 1st ser., x., p. 143, 1859.

64. MEADOWS (A.). Case of Monstrosity,' Trans. Lon. Obst. Soc., iv., p. 255, 1863. Illustrated.

65. FORSTER (A.).-Die Missbildungen des Menschen, 2nd Edit., p. 66, 1865. Illustrated (Pl. x., fig. 2).

66. MARDUEL.—'Un monstre symélien uromèle,' Ann. Soc. de Méd. de Lyon, 2nd ser., xvi., pt. 2, p. 27, 1868.

67. MEADOWS (A.) and BANNISTER (A. J.).—'Specimen of Monstrosity,' Trans. Lond. Obst. Soc., ix., p. 112, 1868. Illustrated.

68. BOULLAND (C.)- Observation d'un monstre symélien affecté d'arrêt de développement des membres supérieurs et de plusieurs autres organes,' Bull. Soc. de méd. et pharm. de la Haute Vienne, p. 314.. Limoges, 1868.

69. JULLIARD (G.).—Mémoire sur un monstre appartenant à la famille des syméliens, et sur les causes de la symélie.' Comptes rendus des séances et mémoires lus à la Soc. de Biol., 4th ser., v., pt. 2, p, 63. Paris, 1869.

70. JACKSON (J. B. S.).—' Siren Foetus,' Boston Med. and Surg. Journ., lxxx., p. 33, 1869.

71. PETIT.- Description et dissection d'un monstre uromèle,' Bull. med. du Nord., x., p. 337. Lille, 1869.

72. HEMPEL (A.). Ueber Sirenenmissbildung.

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73. SOLGER (B.).-Ueber Sirenenbildung. Diss. inaug. Wurzburg,

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74. DEPAUL.— Monstre uromèle,' Bull. Soc. de Chir. de Paris, 2nd ser., xii., p. 141, 1871-2.

75. CAZIN. Monstre symélien,' Bull. de la Soc. anat. de Paris, 5th ser., vi., p. 258, Paris, 1873. (Specimen shown by Houel.)

76. MACLAREN (W.).- Case of siren-like malformed Foetus at full time, with a well-formed penis on the posterior aspect of the body,' Edin. Med. Journ., xviii., p. 658, 1873; and xix., p. 590, 1874. Illustrated.

77. KIDD.-Monstrous Foetus,' Path. Soc. of Dublin, March 6, 1875; Brit. Med. Journ., i., for 1875, p. 361.

78. DUNCAN (J. M.).—'Siren Foetus,' Edin. Med. Journ., xxii., p. 841, 1877.

79. SANTI SIRENA.-Article Meloateleplasia,' in Enciclopedia Medica, 2nd ser., i., p. 475. Milano, 1878. Illustrated. 80. RAVERTY (G. A.).—A case of Monstrosity,' Brit. Med. Journ., i., for 1883, p. 1116. Illustrated.

81. TAYLOR (S. F.). A case of Monstrosity,' New York Med. Journ., xxxvii., p. 260, 1883. Illustrated.

82. MORGAN (J. H.). Siren Monster,' Trans. Path. Soc. Lond.,

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83. GRAETZ (H.).—Ueber zwei seltene Missbildungen. Diss. inaug. Erlangen, p. 13, 1886.

84-85.-WEIGERT (C.). Zwei Fälle von Missbildung eines Ureter und einer Samenblase mit Bemerkungen über einfache Nabelarterien,' Archiv f. path. Anat. u. Physiol., civ., p. 10, 1886.

86-87. REICHEL.-'Einige seltenere Präparate von Missgeburten,' Centralbl. f. Gynäk, xi., p. 110, 1887.

88-89. GEBHARD (C.).—Sirenenbildung. Berlin, 1887. Illustrated. 90. POUCELET.Enfant monstre symélien,' Presse méd., No. 26,

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91. SCHWING (C.).—'Eine Sirenenbildung bei einem Zwillungs

kinde,' Centralbl. f. Gynäk., xiii., p. 484, 1889. Illustrated. 92. LABOUGLE (J.) and REGNIER (P. C.).—Anatomie d'un fœtus symélien et considerations critiques sur la symélie,' Annales de la Soc. de Gand, lxix., p. 103, 1890; also, 'Etude anatomique d'un monstre symélien,' Journ. de méd. de Bordeaux, xviii., p. 438 and 458, 1888-9. Illustrated. 93. BENNINGTON (R. Č.).—'Dissection of a symelian monster,' Journ. of Anat. and Physiol., xxv., p. 202, 1890-1. Illustrated.

94. HIRST (B. C.) and PIERSOL (G. A.).-Human Monstrosities, i., p. 87, 1891. Illustrated (Pl. vii.).

95. RUGE (H.).-Ein Fall von Sirenenbildung,' Archiv f. path. Anat. u. Physiol., cxxix., p. 381, 1892. Illustrated.

96. ODISIO (L.). Studio anatomico ed istologico sopra un Sirenomele,' Giorn. d. R. Accad. di Med. di Torino, lv., p. 441, 1892. Illustrated.

97. PETERS (G. W.).-Beschreibung eines Sympus apus.

inaug. Greifswald, 1892. Illustrated."

Diss.

98-106. LOWNE (B. T.).—' Sympodia,' in Descriptive Catalogue of the Teratological Series in the Museum of the Royal College of Surgeons of England, 2nd edit., p. 81, 1893.

107. TARUFFI (C.).—Storia della Teratologia, vi., p. 527, 1891; and vii., p. 510, 1894. Illustrated.

108. COSENTINO (G.). Oligoidramnios e mostruosita fetale,' Archivio di Ostet. e Ginecol., i., p. 41, 1894. Illustrated. 109. HENRY (J. P.).—' A Sexless Monster,'-Brit. Med. Journ., i., for 1894, p. 1343.

110. ARNOLD (J.).—' Myelocyste, Transposition von Gewebskeimen und Sympodie,' Beitr. zur path. Anat. und zur ailg. Pathol., xvi., p. 1, 1894. Illustrated.

111. TEACHER (J. H.) and COATS (J.).- A Specimen of the socalled Siren-malformation (Sympus, Symelia),' Journ. of Path, and Bacter., iii., p. 149, 1895.

112. MANNERS-SMITH (T.). - 'A description of two Symelian Monsters,' Journ. of Anat. and Physiol., xxx., p. 169, 1896. 113. CLAUSS (L.). Ein Fall von Sirenenbildung.' Diss. inaug. Königsb. i. Pr., 1896. Illustrated.

114. MAYGRIER and COVILLE.-'Monstre symélien, Bull. et mém. Soc. obst. et gynéc. de Par., pp. 98-104, 1897; also in Journ. de méd. de Par., 2 s., ix., p. 211, 1897.

115. SPENCER (H.).—' Skiagram of a Sireniform Monster,' Trans. Obst. Soc. Lond. (1896), xxxviii., p. 118, 1897. Illustrated. 116. PINARD and VARNIER.- Monstre syméle,' Ann. de gynéc., xlviii., p. 146, Paris, 1897. Illustrated,