j€>2 NEW YORK STATE MUSEUM 



4 g 2I i±|£i type Ruedemann. New York state museum bulletin 49^ 

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

 Trenton conglomerate Rysedorph hill, N. Y. 



R. Ruedemann, coll. 1900- 

 4 3 22 iA§.6i 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 ) 



4 g 2 , 14300 HYPOPLASTOTYPE (Plastotype of Green's species) Nuttainia 



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 

 4 g 24 j-Lp. PLAST otype Tropidocaris alternata Beecher. 

 Second geological survey of Pennsylvania, PPP. 18S4. 

 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 

 4 g 2 , iMii 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 



4 3 2 6 -Lif^i hypotype Hall & Clarke. Paleontology of New York 



1888. v. 7,pl.3 J > fi g- 8 > IO - 



Chemung beds Warren Pa 



