TYPE SPECIMENS OF PALEOZOIC FOSSILS 731 



459 8 1 ^| - HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 5; 1881. 22:251, fig. 3. 



Walcott. United States geological survey bulletin 30. 

 1886. pi. 17, fig. 7 ; pi. 20, fig. 30. 



Walcott. loth annual report of the director of the 

 United States geological survey. 1890. pi. 88, fig. id. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4599 ^i~ HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pl.4, fig. 6. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4600 J^JLfi. HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 7. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4601 is^SLa. HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 8. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4602 * 3 g.o. HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 9. 



Lower Cambric Troy N. Y. 



S. W. Ford purchasp 



4603 ^f^- HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. loa, rob. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4604 J-i^Q. HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1881. 22:251, fig. i. 



Walcott. United States geological survey bulletin 30. 

 1886. pi. 17, fig. 8; pi. 20, fig. 3a. 



Walcott. loth annual report of the director of the 

 United States geological survey. 1890. pi. 86, fig. 3a ; 

 pi. 88, fig. ib. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



