Page 284 - Third Book of Reading Lessons
P. 284

RE DING LESSONS. 283
LESSON vm.
ON FISHES.
AuR'ICLE, n., the ear: the two muscular caps covering the ventricles of the heart are,  om their resemblance to the ear, called auricles;  om (L.) auris (i. e., audis), an ear,  om audio, I hear.
VEN'TRICI,E, n., any small cavity in an animal body; the stomach.
L. ventriculus,- om venter, the stomach.
OxYGEN (oks'-), n  that principle in the air, which renders it capable
of being breathed; a constituent part both of air and water,-by combining with other bodies, it renders them acid, and hence its name ox en,  om (G.) oxus, acid, sour, and 9ennein, to produce.
DETER1IORATED, a., less pure. F. deteriore,  om (L.)  tero,-de, and tero, I make worse.
PEC1T0RAL, a., of or pertaining to the breast. F. and S. pectoral,  om (L.) pectu., the breast.
DoR1SAL, a., belonging to the back;  om (L.) dorsum, the back. CAUDAL (kaw'-), a., tail-like;  om (L.) cauda, a tail.
8KEL1ETON, n., a carcase with the  esh decayed; the dried, bare
bones connected. G. y. keleton,  om skello, I dry up.
VER1T BR , n., a joint where the bones meet, so as they may turn,­
as the back bones. L. vertebr ,  om verto, I turn.
Os1sEous, a., bony. L. osseus,  om os,-ossis (G. osteon), a bone. OLFAC1TORY, a., smelling, having sense of smell;  om (L.) o acio,­
oleo, I smell, and.facio, I cause or make.
OARNiv1oaous, a.,  esh-devouring. L. carnivorus,-caro,-carnis,
 esh, and voro, I devour.
For "Apparatu ," see p. 150; " embrane," p. 95; "Articula­
tions," p. 227; "Longitudinally," p. 18; "Filaments," p. 148; "Flexible," p. 55;" Compact," p.151; "Concave," p. 135; "Vision," p. 168; "Glutinous," p. 213; and" Modi ed," p. 199.
1. A FISH may be de ned, a vertebrate animal, breathing through the medium of water by means of branchi , or gills, having one auricle and one ven­ tricle to the heart, cold, red blood, and extremities  rmed  r swimming.
2. In considering  shes, perhaps the most impor­ tant thing which o ers itself to our attention is, the apparatus caled the branchice, or gills. This appa­ ratus is situated on each side of the neck, and con­ sists of numerous lamin , which are thin  akes, or
scale-like plates,  xed on arches. These lamin  are covered with innumerable blood-vessels, and are so


































































































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