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Sulphuric acid will unite with Mercury, water, and oil, may copper, and form a beautiful be shaken together in the same transparent blue salt.

vessel, and on standing still A cubic foot of lead is forty they will separate again. times heavier than the same

II. He was severely repribulk of cork.

manded, but he seemed to reThe great domes of churches gard it little. have strength on the same prin

We ask and we receive not, ciple as simple arches.

because we ask amiss. I. That boy is good, and he

will prove it.

I ask'd the heavens, what foe to God had done

The unexampled deed? the heav'ns exclaim
'Twas man!" and we, in horror, snatch'd the sun

From such a spectacle of guilt and shame.

EXERCISES.

common

The Red Sea is kept about times heavier twenty feet above the general air. ocean level by the eastern trade Platinum can be drawn into winds other causes.

wire much finer

human Dead fishes float with the hair. belly uppermost the air- We know not the distance of bag is situated towards that part the fixed stars, but of the body.

say with certainty, that the disWater, in cooling from forty tance of the nearest one of them degrees to thirty-two, expands, exceeds 21,000 millions of miles.

as ice, is much lighter Dew, on very cold objects, as a fluid. freezes as it settles;

is Water is about eight hundred 'then called hoar-frost.

can

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RULE 29.

When contingency and futurity are implied, the subjunctive mood is used.

I. If, though, unless, except, whether, and lest, generally require the subjunctive mood after them.

(2) II. The subjunctive mood cannot be used, even with any conjunction, when the thing affirmed is known to be certain.

III. The indicative or potential form of the verb generally follows the conjunction that.

IV. When the auxiliaries of the potential mood are applied to the subjunctive, they do not change the termination of the second person singular.

EXAMPLES.

if he conduct himself well, II. Though he was not pun. and study diligently, he will be ished, he was guilty. rewarded.

A stove in a hall is useful, beWho will believe his protes-cause it warms the air before it tations unless he amend his life? enters the rooms.

I. Though he deny the fact, III. She is so good that every yet he is undoubtedly guilty. one esteems her.

Corks used by boys in swim- He is so peevish that no one ming, are dangerous unless se- can love him. cured so as not to shift towards

IV. If thou canst come with the lower part of the body.

us, we will be kindly received. The recoil of a light fowling- Unless thou couldst accompapiece will hurt the shoulder if ny us, we would not succeed. the piece be not held close to it.

EXERCISES.

No object can be visible unless | animal life, - cats, dogs, rats, a ray of light from it to and mice, die in about half a the eye of the observer.

minute in the exhausted reWhether the mass of fluid ceiver of an air-pump. supporting a body great or There is no longer any doubt small, it sinks to the same the cause of thunder is depth.

the same with that which proLet him that standeth take duces electricity. heed lest he

Live well if thou

die Though he two eyes, well. yet each object appears single Unless he improved, he to him.

is totally unfit for the office. Air is so necessary to support

Lest on the foe some forward Greek ad.
And snatch the glory from his lifted lance.

RULE 30.

(3) Some conjunctions require to be followed by other conjunctions; as—B0Th, by and; THOUGH, ALTHOUGH, by yet; NEVERTHELESS, EITHER, by or; NEITHER, by nor; WHETHER, by or; As, by as, so; so, by as, that; SUCH, by that (when it signifies how great), by as (when it means of that kind); THAN, by a relative pronoun in the objective case.

(4) I. Sentences which begin with the subjunctive form of the verb are much admired.

EXAMPLES.

Both he and his companion Envy is a passion so masked, are guilty of falsehood.

that it always shows itself to us The lake of Geneva, although under strange appearances. confined by hard rock, is, never- Such was the violence of the theless, lowering its outlet. storm, that we dared not venture

It has been found that atoms, to sea. whether separate or already join- Such studies as teach us to ed into masses, tend towards all contemplate the Creator in his other atoms or masses.

works, are always the most in. The great bulk of mankind teresting to the virtuous. are neither decidedly good nor Learning, than which nothing decidedly wicked.

but virtue is more estimable. Julian the Apostate forbade I. Were cold bodies suddenly the Christians to teach either brought into hot air, their cold, rhetoric or philosophy.

for a short time, would be much The accidents which happen increased. to us, are seldom us injurious to Were cold water, in winter, us as we imagine.

brought into a very hot room, As peace is the source of hap- ice would be speedily formed, piness, so trouble is that of which would not have happened misery.

had it been put into a cold No machine works so irregularly as one that is manipulated.

Were the pressure sufficiently The spine, or backbone, has great, it would force water as much beautiful and varied

through the pores of the most mechanism in its structure, as solid gold.

part of the human frame.

room.

EXERCISES.

Though I am dependant upon

what at first seemed paina Supreme Being, Iam ful, becomes at length agreefree.

able. Iron bridges have been con- St. Basil, than Demosstructed with arches twice as thenes or Cicero was not more large those of stone.

eloquent. Steam is about half as heavy All things on earth would be

the same bulk of common good and wholesome air.

but to make a proper use of The elbow-joint is a correct them. hinge, and so strongly secured,

the sun much nearer it is rarely dislocated the earth, this world would be without a fracture.

reduced to ashes. Such is the force of habit,

we

Vain was the man, and false as vain,
Who said,

he ordained to run
His long career of life again,

He would do all that he had done.

RULE 31.

INTERJECTIONS.

Interjections are generally joined with the pronoun of the first person in the objective case, and with the pronoun of the second person in the nominative case.

EXAMPLES.

Ah! unhappy me, who am so Alas! what kind of life is unmindful of my eternal desti- this, where miseries and afflicnation.

tions are never wanting! O thou foolish man! why art Ah! fool, why dost thou think thou so unconcerned and thy to live long, when thou art not danger so imminent?

sure of one day?
O Thou! whose word revives the bloom

That marked creation's birth,
And from the deep and stormy gloom,

Recalls the breathing earth.

EXERCISES.

O Jerusalem,Jerusalem, Ab -! they little know that killest the prophets, and how dearly I have purchased stonest them that are sent to their fatal friendship. thee ! 0

that with surpassing glory crown'd, Look'st from thy sole dominion like the god Of this new world !

RULE 32.

MISCELLANEOUS RULES.

(1) Two negatives are sometimes improper.*

I. In some cases two negatives are proper, and equivalent to an affirmative.

II. When one of the negatives is formed by the affix dis, un, in, or im, they are not only proper, but form an agreeable variety.

EXAMPLES.

I. Nor did they not perceive II. His manners, though simhim.

ple, are not displeasing. I have not made up my mind His 'language, though inelenot to comply with his proposal. I gant, is not ungrammatical.

EXERCISES.

Has he assigned to na- Though her paintings are more ture laws which are at va- highly coloured than those of riance with one another ?

her companion, yet they are His stature, though gigantic, less —perfect. is -graceful.

Nor always vice does --corrected go,

virtue -- rewarded pass below.

* I have (not) no money ; We have (not) written nothing to-day; They could (not) walk' no faster;-are examples of the improper use of double negatives.

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