TYPE SPECIMENS OF PALEOZOIC FOSSILS 495 



3038 5 ~ HYPOTYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 14, fig. 9. 



Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 14, fig- 9- 



Hamilton beds Norton's landing, Cayuga lake, N. Y. 



J. W. Hall, coll. 1866 



3039 s ^ s - HYPOTYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 15, fig. 10. 



Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 15, fig. 10. 



Hamilton beds Hamburg, Erie co. N. Y. 



C. A. White, coll. 1860 



3040 *3f3. HYPOTYPE Hall. Paleontology of New York. 1884. v, 5, 



pt i, pi. 83, fig. ii. 



Chemung beds Lawrenceville, Tioga co. Pa. 



A. Sherwood, coll. 1871 



3041 ^Lf-2- HYPOTYPE Hall. Paleontology of New York. 1884. .5, 



pt i, pi. 83, fig. 12. 



Hamilton beds Schoharie county, N. Y. 



J. Gebhard purchase 

 Pterinea grandis Hall 



3042 zif-2. TYPE Pterinea grandis Hall. Paleontology of 



New York. 1884. v. 5, pt i, p. 91, pi. 83, fig. 14. 



Onondaga limestone Lexington, Scott co. Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 

 Pterinea halli nom. nov. 



3043 3JL5.4 TYPE Avicula securiformis Hall. Paleontology 



of New York. 1859. 3:290, pi. 53, fig. n (name pre- 

 occupied). 



New Scotland beds Schoharie N. Y. 



The species described by Hall iu Pal. N. Y. 2:331, as 

 Avicula securiforrais, from tbe Coralline limestone, 

 wbile specifically unlike tbat from tbe Helderbergian here 

 referred to, appears to pertain to tbe same genus, and, with 

 this present evidence, it becomes desirable to distinguish the 

 two by the change of name above suggested. 



Pterinea interstrialis Hall 



3044 83&- TYPE Pterinea interstrialis Hall. Paleontology 



of New York. 1884. v. 5, pt i, pi. 84, fig. 22. 



Chemung beds Chemung narrows, Chemung co. N. Y. 

 Pterinea modiolaris see Modiolopsis modiolaris 



