Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1853 Excerpt: ... Insertion of ventrals nearer the extremity of the snout than the base of the caudal. Scales moderate. Greenish brown above; yellowish or whitish beneath, sometimes with small scattered black spots. Fins greyish olive, 196. Mercede river, California. Dr. A. L. Heermann. 197. Mohave river, California. Dr. A. L. Heermann. 34. LAVINIA EXILICAUDA, B. & G. Gen. Eep. 241. Plate LIV, Figs. 1--4. Spec. Char.--Body very compressed, quite deep upon its middle; peduncle of tail rather slender. Head small; eye moderate; posterior extremity of maxillary not reaching the anterior rim of the orbit. Isthmus small. Insertion of ventral fins situated in advance of the anterior margin of the dorsal. Pectorals rather small. Caudal deeply furcated. Reddish brown above, silvery grey on the sides, the scales being minutely dotted upon their margin. Beneath yellowish. 207. Sacramento river, California. Dr. A. L. Heermann. 208. Posa creek, California. Dr. A. L. Heermann. 35. POGONICHTHYS INAEQUILOBUS, B. & G. Gen. Eep. 245. Plate LVI, Figs. 1--4. Spec. Char.--Head forming a little less than the fifth of the total length; snout rounded, sub-conical, thickish; gape of mouth nearly horizontal; lower jaw shorter than the upper. Posterior extremity of maxillar bone scarcely even with a vertical jine drawn in front of the orbit. Anterior margin of dorsal fin somewhat nearer the extremity of the snout than the insertion of the caudal. Insertion of ventrals placed posteriorly to the anterior margin of the dorsal; their origin being nearly equidistant between the extremity of the snout and the base of the caudal. Lobes of the caudal fin unequally developed; upper one the longest. Greyish brown above; yellowish beneath. 182. San Joaquin river, California. Dr. A. L. Heermann. 36. POGONICHTHYS ...
Die Inhaltsangabe kann sich auf eine andere Ausgabe dieses Titels beziehen.
