KEP0RT OF THE STATE GEOLOGIST. 429 



Palaeontology of New York, vol. vii. 1888, pi. 30, fig. 18. 

 Hamilton group. Pratt'a Falls, X. Y. 



Collected by II. II. Smith and C. Van Ueloo, 1873. 



Paleontology of New York, vol. vii, 1888, pi. 30, fig. 19. 

 Hamilton group. Pratt's Falls, N. Y. 



Collected by II. II. Smith and 0. Van Deloo, 1873. 



[?] Ceratlocaris longicanda, Hall. 1861. 



Sixteenth Report on New York State Cabinet of Natural History, 

 1861, p. 73, pi. 1, fig. 7 (not figs. 4, 5, 6 = Coleolus or Orthoceras); 

 and Paleontology of New York, vol. vii, 1888, pi. 31, fig. 1. 



Genesee shales. Bristol Center, N. Y. 



Collected by R. P. Whitfield and C. Van Deloo, 1862. 



Echinocaris Whitfieldi, Clarke. 1885. 

 Bull. No. 16. U. S. Geol. Surv. p. 45. 

 Paleontology of New York, vol. vii, 1888, pi. 29, fig. 20. 

 Naples beds. Naples, N. Y. 



J. M. Clarke purchase. 



* Paleontology of New York, vol. vii, 1888, pi. 29, fig. 21. 

 Naples beds. Naples, N. Y. 



[?] Ceratlocaris Beecheri, Clarke. 1885. 

 Paleontology of New York, vol. vii, 1888, pi. 30, fig. 3. 

 Naples beds. Sonyea, N. Y. 



Echinocaris condylepis, Hall. 1880. 



Paleontology of New York, vol. vii, 1888, p. 173, pi. 29, figs. 14, 15. 

 Chemung group. Belmont, N. Y. 



Collected by Andrew Sherwood, 1871. 



Paleontology of New York, vol. vii, 1888, pi. 29, figs. 16, 17. 

 Chemung group. Belmont, N. Y. 



Collected by Andrew Sherwood, 1871. 



Echinocaris socialis, Beecher. 1884. 

 Second Geol. Surv. Penna., PPP, p. 10. 

 * Paleontology of New York, vol. vii, 1888, pi. 30, fig. 6. 

 Chemung group. Warren, Pennsylvania. 



