TYPE SPECIMENS OF PALEOZOIC FOSSILS 717 



ISOCHILINA Jones 



Isochilina armata Walcott var. pygmaea Ruedemann 

 4502 ^3A&SL TYPE Isochilina armata Walcott var. pygmaea 

 Ruedemann. New York state museum bulletin 49. 1901. 

 p. 72, pi. 7, fig. 19. 



Trenton conglomerate Rysedorph hill, 



Rensselaer co. N. Y. 

 R. Ruedemann, coll. 1900 



453 f- 2 -^ TYPE Ruedemann. New York state museum bulletin 49. 

 1901. pi. 7, fig. 20. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4504 lajaa. TYPE Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 21. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4505 J-2.J2& TYPE Ruedemann. New York state museum bulletin 49. 



1.901. pi. 7, fig. 22. 



Trenton conglomerate - Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4506 i3.|& TYPE Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 23. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



457 ~f~ ~ TYPE Ruedemann. New York state museum bulletin 49. 

 1901. pi. 7, fig. 24. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4508 n*p-Q- TYPE Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 25. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



ISOTELUS De Kay 

 Isotelus canalis Conrad 



4509 -liJAD TYPE Isotelus canalis (Conrad in ms.) Hall. 



Paleontology of New York. 1847. 1:25, pi. 4 bis, fig. 17. 

 Chazy limestone Chazy, Clinton co. N. Y. 



