Sulphuric acid will unite with copper, and form a beautiful transparent blue salt. A cubic foot of lead is forty times heavier than the same bulk of cork. The great domes of churches have strength on the same principle as simple arches. I. That boy is good, and he will prove it. Mercury, water, and oil, may be shaken together in the same vessel, and on standing still they will separate again. II. He was severely reprimanded, but he seemed to regard it little. We ask and we receive not, because we ask amiss. I ask'd the heavens, what foe to God had done EXERCISES. The Red Sea is kept about twenty feet above the general ocean level by the eastern trade winds other causes. Dead fishes float with the belly uppermost the airbag is situated towards that part of the body. Water, in cooling from forty degrees to thirty-two, expands, , as ice, is much lighter as a fluid. We know not the distance of the fixed stars, but -can say with certainty, that the distance of the nearest one of them exceeds 21,000 millions of miles. Dew, on very cold objects, freezes as it settles; Water is about eight hundred' then called hoar-frost. is 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. RULE 30. (3) Some conjunctions require to be followed by other conjunctions; as—BOTH, 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 are guilty of falsehood. The lake of Geneva, although confined by hard rock, is, nevertheless, lowering its outlet. It has been found that atoms, whether separate or already joined into masses, tend towards all other atoms or masses. The great bulk of mankind are neither decidedly good nor decidedly wicked. Julian the Apostate forbade the Christians to teach either rhetoric or philosophy. The accidents which happen to us, are seldom as injurious to us as we imagine. As peace is the source of happiness, so trouble is that of misery. No machine works so irregularly as one that is manipulated. The spine, or backbone, has as much beautiful and varied mechanism in its structure, as any part of the human frame. Envy is a passion so masked, that it always shows itself to us under strange appearances. Such was the violence of the storm, that we dared not venture to sea. Such studies as teach us to contemplate the Creator in his works, are always the most interesting to the virtuous. Learning, than which nothing but virtue is more estimable. I. Were cold bodies suddenly brought into hot air, their cold, for a short time, would be much increased. Were cold water, in winter, brought into a very hot room, ice would be speedily formed, which would not have happened room. had it been put into a cold Were the pressure sufficiently great, it would force water through the pores of the most solid gold. 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 unmindful of my eternal desti nation. O thou foolish man! why art thou so unconcerned and thy danger so imminent? Alas! what kind of life is this, where miseries and afflictions are never wanting! Ah! fool, why dost thou think to live long, when thou art not sure of one day? O Thou! whose word revives the bloom That marked creation's birth, EXERCISES. O Jerusalem, Jerusalem, that killest the prophets, and stonest them that are sent to thee ! Ah they little know how dearly I have purchased their fatal friendship. 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. * 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. |