TYPE SPECIMENS OF PALEOZOIC FOSSILS 



717 



isochilina Jones 

 Isochilina armata Walcott var. pygmaea Ruedemann 

 4502 L3JL20 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 

 45°3 — |— type Ruedemann. New York state museum bulletin 49. 

 1901. pi. 7, fig. 20. 

 Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4504 LJiipo T ype Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 21. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4505 type Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 22. 

 Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4506 type Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 23. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4507 1 3 % 2 Q- type Ruedemann. New York state museum bulletin 49. 



1901. pi. 7, fig. 24. 

 Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4508 1 3 % - - 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 13 f 40 type Isotelus canalis (Conrad in ras.) Hall. 



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

 Chazy limestone Chazy, Clinton co. N. Y. 



