Observations On the Fishes of the Tertiary Shales of Green River Wyoming Territ
Observations On the Fishes of the Tertiary Shales of Green River Wyoming Territ
Cope, E. D. (Edward Drinker), 1840-1897
The book Observations On the Fishes of the Tertiary Shales of Green River Wyoming Territ was written by author Cope, E. D. (Edward Drinker), 1840-1897 Here you can read free online of Observations On the Fishes of the Tertiary Shales of Green River Wyoming Territ book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Observations On the Fishes of the Tertiary Shales of Green River Wyoming Territ a good or bad book?
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Scales large; 1. Transverse 11-12. A very abundant species in the shales. CLUPEA PUSILLA, Cope. Greatest depth contained four times in the total length, or 3. 5 times to basis of caudal fin. Length of head 3. 2 to basis caudal; this measure- ment may require revision, as the end of the muzzle is slightly injured. Orbit large, contained twice in length of head behind it. Middle of dorsal near the middle of length, and about over the origins of the ventrals. D. II, 11, V. 7. Pectorals extending h...alf way to ventrals. Vertebrae 29-30, dorsals 19-20. Ventral keeled ribs 18. Anal fin lost. Caudal peduncle slen- der, caudal fin deeply furcate. Length M. 044; greatest depth M. Oil. The present species is about half the size of the last, and of consider- ably less proportionate depth. CYPRINODON LEVATUS, Cope. Anterior margin anal fin commencing a little behind opposite the pos- terior margin of the dorsal. Vertebrae 10. 14. I. Radii D. 8, A. II. 8, V. 8. Caudal fin deeply furcate; first anal ray strong.
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