664 NEW YORK STATE MUSEUM 



bumastus Murchison 



Bumastus ioxus Hall 



4156 -1-2AJ.5. hypotype Illaenus ioxus Hall. 20th annual report 



of the New York state cabinet of natural history. 1867. 



P- 378. 



Illaenus (Bumastus) ioxus Hall, nth annual 

 report of the Indiana state geologist. 1882. pi. 33, fig. 13. 



Niagaran Waldron Ind. 



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



4157 ^4^ hypotype Hall, nth annual report of the Indiana state 



geologist. 1882. pi. 33, fig. 14. 



Niagaran Waldron Ind. 



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



Bumastus trentonensis Emmons (sp.) 

 4I ^8 ^-|^i hypotype Illaenus trentonensis Emmons. Geol- 

 ogy of New York; report on the 2d district. 1842. p. 390. 

 Bumastus trentonensis Clarke. Geological 

 survey of Minnesota. 1897. v. 3, pt 2 of the final report ; 

 Paleontology, p. 720, fig. 32. 



Trenton limestone Trenton Falls N. Y. 



W. P. Rust purchase 

 bythocypris Brady 



Bythocypris cylindrica Hall (sp.) 



4T59 xsxeo hypotype Leperditia (Isochilina) cylindrica 



Hall. 24th annual report of the New York state cabinet 



of natural history. 1872. p. 231. 



Bythocypris cylindrica Ruedemann. New 

 York state museum bulletin 49. 1901. pi. 7, fig. 26. 

 Trenton conglomerate 



Rysedorph hill, Rensselaer co. N. Y. 

 R. Ruedemann, coll. 1900 

 4I 6o juujlo hypotype Ruedemann. New York state museum bul- 

 letin 49. 1901. pi. 7, fig. 27. 



Trenton conglomerate Rysedorph hill, N. Y, 



R. Ruedemann, coll. 1900 

 4l 6 x i3_L6.o hypotype Ruedemann. New York state museum bul- 

 letin 49. 1901. pi. 7, fig. 28. 



Trenton conglomerate > Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



