762 NEW YORK STATE MUSEUM 



4821 ^ip 1 TYPE Ruedemann. New York state museum bulletin 49.. 



1901. pi. 3, fig. 15-17. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



4822 f-^ TYPE Ruedemann. New York state museum bulletin 49. 



1901. pi. 3, fig. 18-20. 



Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900 



Trimerus delphinocephalus see Homalonotus 

 (Trimerus) delphinocephalus 



TRINUCLEUS Lhwyd 

 Trinucleus concentricus Eaton (sp ) 



4823 14 i HYPOPLASTOTYPE ^Plastotype of Green's species) N U t t a i n 1 a 



concentrica Eaton. Textbook of geology. 1832, 

 p. 128. 



Cryptolithus tesselatus Green. Monograph of 

 the trilobites of North America. 1832. p. 73. Original 

 cast no. 28. 



Lorraine beds Near Waterford N. Y. 



Albany Institute, donor 

 TROPIDOCARIS Beecher 



Tropidocaris alternata Beecher 



4824 J^-p PLASTOTYPE Tropidocaris alternata Beecher. 



Second geological survey of Pennsylvania, PPP. 1884. 

 p. 19, pi. 2, fig. 7. 



Hall & Clarke. Paleontology of New York. 1888. 

 v. 7, pi. 31, fig 14. 



Waverly beds Warren Pa. 



Tropidocaris bicarinata Beecher 



4825 AA^i PLASTOTYPE Tropidocaris bicarinata Beecher. 



Second geological survey of Pennsylvania, PPP. 1884. 

 p. 16, pi. 2, fig. 3. 



Hall & Clarke. Paleontology of New York. 1888. 

 v. 7, pi. 31, fig. 7,9. 



Chemung beds Warren Pa. 



4826 J^f^ HYPOTYPE Hall & Clarke. Paleontology of New York 



1888. v. 7, pi. 31, fig. 8, 10. 



Chemung beds Warren Pa. 



