Pamphlets: Natural History1872 |
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Стр. 28
... pairs , and at the mo- ment of spawning , spring together some feet out of water , belly to belly , dropping eggs and milt at the same moment . In moonlight nights , when many are spawning , the sudden shooting of these silvery fish out ...
... pairs , and at the mo- ment of spawning , spring together some feet out of water , belly to belly , dropping eggs and milt at the same moment . In moonlight nights , when many are spawning , the sudden shooting of these silvery fish out ...
Стр. 37
... pair of tweezers or small forceps . The eggs should be carefully inspected twice a day , and every one that shows the best sign of disease , the least de- gree of whitish turbidness forthwith removed . The purest unfiltered water , when ...
... pair of tweezers or small forceps . The eggs should be carefully inspected twice a day , and every one that shows the best sign of disease , the least de- gree of whitish turbidness forthwith removed . The purest unfiltered water , when ...
Стр. 51
... pair - the male driving away with great vigor and activity , all intruders of his own sex . is so far advanced that the temperature of water is considerably reduced , that the operation of depositing the ova commences . This takes place ...
... pair - the male driving away with great vigor and activity , all intruders of his own sex . is so far advanced that the temperature of water is considerably reduced , that the operation of depositing the ova commences . This takes place ...
Стр. 54
... pair of salmon at their spawning bed , pressing the ova from the female into a vessel of water , and then pressing the milt from the male in the same way . " A pint of very clear water , " he says , " is poured into a nice clean vessel ...
... pair of salmon at their spawning bed , pressing the ova from the female into a vessel of water , and then pressing the milt from the male in the same way . " A pint of very clear water , " he says , " is poured into a nice clean vessel ...
Стр. 30
... pair of scissors , the upper third of the tube , separated the divided edges , and examined each small fold carefully with the glass and a fine needle ; here I was so fortunate as to find the ovule , five lines from the entrance of the ...
... pair of scissors , the upper third of the tube , separated the divided edges , and examined each small fold carefully with the glass and a fine needle ; here I was so fortunate as to find the ovule , five lines from the entrance of the ...
Часто встречающиеся слова и выражения
abdomen abdominal scutellæ Acad Academy alcohol Amer angle animals anteorbital anteriorly anus BAIRD beneath bifid birds body Bothriocephalus latus broad brown carinated Cestoidea coition collection color Coluber Cysticercus dark Dorsal rows Dorsal scales dorsal series Echinococcus eggs elongated embryo Essex Essex County fecundation female fish frontals genus Germinative Vesicle Graafian Vesicle ground-color hatching head Helminthes Herp HOLBR hydatid inches insects Institute intestine John larvæ lateral length loral Lower labials male margin millim mouth narrow nasal Natural History Natural Sciences nostril occipitals orbit outer row ovary ovule ovum Philad posterior posteriorly postfrontals postorbitals prefrontals preserved proglottides rivers rostral rows of scales Salem salmon saurita side skin smooth snout Society spawn species specimens spots stripe Subcaudal superciliaries tail Tania solium tapeworm tion transverse trout tube Upper labials uterus Vertical plate William worm yellow yolk
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Стр. 29 - In their possession, and to replace the same if lost, or pay a sum fixed by the Library Committee. No person shall lend any book belonging to the Institute, excepting to a member, under a penalty of one dollar for each offence.
Стр. 29 - ... sum fixed by the Library Committee. No person shall lend any book belonging to the Institute, excepting to a member, under a penalty of one dollar for each offence. The Library Committee may allow members to take more than the allotted number of books upon a written application, and may also permit other persons than members to use the Library under such conditions as they may impose. No person shall detain any book longer than four weeks...
Стр. 29 - Committee shall divide the books and other articles belonging to the Library into three classes, namely, (a) those which are not to be removed from the building; (b) those which may be taken only by written permission of three members of the committee; (c) those which may circulate under the following rules. Members shall be entitled to take from...
Стр. 29 - No person shall detain any book longer than four weeks from the Library, if notified that the same is wanted by another member, under a penalty of five cents per day, and no volume shall be detained longer than three months at one time under the same penalty. The Librarian shall have power by order of the Library Committee to call in any volume alter it has been retained by a member for ten days.
Стр. 19 - SOLUTION. — A. The aluminous fluid, composed of rock salt, 4 ounces ; alum, 2 ounces ; corrosive sublimate, 4 grains ; boiling water, 2 quarts. B. The saline solution, composed of rock-salt, 8 ounces ; corrosive sublimate, 2 grains ; boiling water, 1 quart. To be well stirred, strained, and cooled. II. A strong brine, to be used as hereafter indicated for Goadby's Solution. III. In extreme cases, dry salt may be used, and the specimens salted down like herring, &c.
Стр. 29 - ... penalty. The Librarian shall have power by order of the Library Committee to call in any volume after it has been retained by a member for ten days. On or before the first Wednesday in May, all books shall be returned to the Library, and a penalty of five cents per day shall be imposed for each volume detained.
Стр. 9 - New-York, on the . Article 7. Missionaries shall be selected from the three churches indiscriminately. Article 8. This Constitution may be altered by a vote of two thirds of the members present at an annual meeting, with the consent of the highest judicatories of the three denominations.
Стр. 28 - The Library Committee shall divide the books and other articles belonging to the Library into three classes, namely: (a) those which are not to be removed from the building; (b) those which may be taken from the halls only by written permission of three members of the committee, who shall...
Стр. 29 - Library, if notified that the same is wanted by another member, under a penalty of five cents per day, and no volume shall be detained longer than three months at one time under the same penalty. The Librarian shall have power by order of the Library Committee to call in any volume after it has been retained by a member for ten days. On or before the first Wednesday in May, all books...
Стр. 99 - A specimen from Fort Webster or Copper Mines shows the stripes on the sides much more distinctly, running through all the dorsal rows anteriorly, and crossed by the indistinct bars already referred to. The contrast between the dark chestnut-brown spots on each side, and its deeper centre, with the clear yellow of the edges, is very distinct. Beneath yellow, with the blotches reduced to mere dull spots.