TYPE SPECIMENS OF PALEOZOIC FOSSILS 495 



3038 ^^p- hypotype Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 14, fig. 9. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 14, fig. 9. 



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



J. W. Hall, coll. 1866 



3039 ^M hypotype Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 15, fig. 10. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 15, fig. 10. 



Hamilton beds Hamburg, Erie co. N. Y. 



C. A. White, coll. i860 



3040 *4j^ hypotype Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 83, fig. 11. 



Chemung beds Lawrenceville, Tioga co. Pa. 



A. Sherwood, coll. 187 1 



3041 ^;p- hypotype Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 83, fig. 12. 



Hamilton beds Schoharie county, N. Y. 



J. Gebhard purchase 

 Pterinea grandis Hall 



3042 £Jj6"& type Pterinea grandis Hall. Paleontology of 



New York. 1884. v. 5, pt 1, 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 '•' If- - 1 type Avicula securiformis Hall. Paleontology 



of New York. 1859. 3:290, pi. 53, fig. 11 (name pre- 

 occupied). 



New Scotland beds Schoharie N. Y. 



The species described by Ball in Pal. N. Y. 2:331. as 

 Avicula securif o r m i s , from the Coralline limestone, 

 while specifically nnlike tbat from tbe Belderbergian here 

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

 this present evidence, it becomes desirable to distinguish the 

 two by the ohati^c of name above suggested. 



Pterinea interstrialis Hall 



3044 ''y- type Pterinea interstrialis Hall. Paleontol 



of New York. 1884, V. 5, pi [, pi. 84, fifi 22. 



Chemung beds Chemung narrows, Chemung co. N. \ . 

 Pterinea modi ol aria see Modiolopsis modiolaris 



