TYPE SPECIMENS OF PALEOZOIC FOSSILS 



727 



4574 —J-- 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 type: plastotype Dithyr ocaris neptuni Hall. 



1 6th 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. 33, fig. 1. 

 Hamilton beds Plainfield, Otsego co. N. Y. 



J. Gebhard purchase 



Mesothyra oceani Hall & Clarke 



4576 ***** type Mesothyra oceani Hall & Clarke. Paleon- 



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

 Pi- 33> ng. 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. 33, fig. 5. 



Portage (Ithaca) beds Ithaca N. Y. 



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



4578 -^t 1 - 1 type 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 — 4^ type Hall. Illustrations of Devonian fossils. 1876. 



Crustacea, pl. 23, fig. 2. 



Hall & Clarke. Paleontology of New York. 1888. 

 v-7.pl- 33, ng. 7. 



Portage (Ithaca) beds Ithaca N. Y. 



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



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



