TYPE SPECIMENS OF PALEOZOIC FOSSILS J2J 



4574 1S -P± type Ruedemann. New York state museum bulletin 49 

 1901. pi. 6, fig. 16. 

 Trenton conglomerate Rysedorpli hill, N. Y. 



R. Ruedemann, coll. 1900 



mesothyra Hall & Clarke 



Mesothyra neptuni Hall 

 4575 12l \-- type: plastotype Dithyrocaris neptuni Hall. 

 16th annual report of the New York state cabinet of 

 natural history. 1863. p. 75, pi. 1, fig. 9. 



Hall. Illustrations of Devonian fossils. 1876. Crustacea, 

 pi. 23, fig. 6. 



Mesothyra neptuni Hall & Clarke. Paleontology 

 of New York. 1888. v. 7, pi. 32, fig. 7 ; pi. 33j fig. Im 

 Hamilton beds Plainfield, Otsego co. N. Y. 



J. Gebhard purchase 

 Mesothyra oceani Hall & Clarke 



457 6 JuiiAi TYpE Mesothyra oceani Hall & Clarke. Paleon- 



tology of New York. 1888. 7:187, pi. 32, fig. 1, 2, 4, 6 ; 

 P 1 - 33, fig- 4- 



Portage (Ithaca) beds Ithaca N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



4577 ^i~ type Dithyrocaris neptuni Hall. Illustrations 



of Devonian fossils. 1876. Crustacea, pi. 22, fig. 1. 



Hall & Clarke. Paleontology of New York. 1888. 

 -v. 7, pi. 32, fig. 3; pi. 35, fig. 5. 



Portage (Ithaca) beds Ithaca N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 

 45? 8 JULiii TY p E HalL Illustrations of Devonian fossils. 1876. 

 Crustacea, pi. 23, fig. 1. 



Hall & Clarke. Paleontology of New York. 1888. 

 v -7, pl- 33> fi g-6. 



Portage (Ithaca) beds Ithaca N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 

 4579 ~~i~ type Hall. Illustrations of Devonian fossils. 1876. 

 Crustacea, pl. 23, fig. 2. 



Hall & Clarke. Paleontology of New York. 1888. 

 v '7>P*-33> fi g«7« 



Portage (Ithaca) beds Ithaca N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 

 On slab with type of pl. 34, fig, 1. 



