The book On the Plagopterinae And the Ichthyology of Utah was written by author Cope, E. D. (Edward Drinker), 1840-1897 Here you can read free online of On the Plagopterinae And the Ichthyology of Utah book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On the Plagopterinae And the Ichthyology of Utah a good or bad book?
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The orbit is large, entering the head three times and a fifth, and equalling the width of the convex interorbital space. Scales if, thirty-three in front of dorsal fin ; lateral line complete, deflexed between pectoral and ven- tral fins. Radial formula D. I. 9 . A. I. 10 ; V. 9 ; P. 11 ; reaching ventrals, which reach vent. Dorsal first ray equidistant between the basis of the caudal and the anterior nostril. Total length . 073 ; do. To anal fin . 042 ; do. To ventral . 031 ; do. Of head . 014... ; do. To orbit . 0036 ; width to posterior nostrils . 004 ; do. At middle of pterotic . 0062. The sides are pure silvery to the lateral line of pores, above which a blackish vitta extends from the end of the muzzle to the caudal fin. Above this is a narrow very white line which extends to the base of the caudal fin, and above this the entire dorsal region is blackish. Fins unspotted. Numerous specimens from Provo, near the Lake, (No. 666, S. ) RHLNICHTHYS HENSHAVII, sp. Nov. An elongate species with small scales and overhanging but obtuse muzzle, resembling a Ceratichthys of the group of C.
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