. A manual of zoology. Zoology. IV. VERTEBRATA; PISCES. 499 called cerebrum being only the corpora striata (BC). The independent ol- factory lobes lie either close to the cerebrum (most teleosts,Lo/) or are separated from it by an olfactory tract (fig. 549, Lol). The optic thalami are small (d), but below them are enlargements characteristic of iishes, the lobi inferiores, and between them the saccidus vasadosiis. Both optic lobes and cerebellum are greatly developed. The nose consists of two preoral pits, the opening being divided by a bridge of skin into anterior and posterior nostrils. In m
. A manual of zoology. Zoology. IV. VERTEBRATA; PISCES. 499 called cerebrum being only the corpora striata (BC). The independent ol- factory lobes lie either close to the cerebrum (most teleosts,Lo/) or are separated from it by an olfactory tract (fig. 549, Lol). The optic thalami are small (d), but below them are enlargements characteristic of iishes, the lobi inferiores, and between them the saccidus vasadosiis. Both optic lobes and cerebellum are greatly developed. The nose consists of two preoral pits, the opening being divided by a bridge of skin into anterior and posterior nostrils. In many selachians the nostrils are connected with the mouth by a oronasal groove covered by a fold of skin, and in tlie Dipnoi there is a choana. The eye has several peculiarities. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
