TYPE SPECIMENS OF PALEOZOIC FOSSILS 729 



Mesothyra (Dithyrocaris?) veneris^ 

 Rhinocaris veneris 



MICRODISCUS Emmons 



Microdiscus meeki Ford 



4587 -1-2-^-2. TYPE Microdiscus meeki Ford. American journal 



of science and arts, ser. 3. - 1876. 11:371 (not figured ; 

 original of description). 



Walcott. United States geological survey bulletin 30. 

 1886. pi, 16, fig. 4. 



Walcott. loth annual report of the director of the 

 United States geological survey. 1890. pi. 81, fig. 3. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



Microdiscus speciosus Ford 



4588 1J 4- AA TYPE Microdiscus speciosus Ford. American 



journal of science and aits, ser. 3. 1873. 6:137, fig. 2a. 

 Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4589 IJL ^-- TYPE Ford. American journal of science and arts, ser. 3. 



1873. 6: 137, fig. 2b. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



459 ^J^" HYPOTYPE Ford. American journal of science and arts, 

 ser. 3. 1877. 13:141 (not figured). 



Walcott. United States geological survey bulletin 30. 

 1886. pi. 1 6, fig. 3, 3a. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



459 I j 1Ji T AA HYPOTYPE Walcott. United States geological survey 

 bulletin 30. 1886. pi. 16, fig. 3b. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



MOOREA Jones & Kirkby 

 Moorea kirkbyi Jones 



459 2 JJi r- IL TYPE Moorea kirkbyi Jones. Quarterly journal 

 of the geological society of London. 1890. 46:542, pi. 20, 

 fig. 9 a, gb. 



Onondaga limestone (drift) Canandaigua, 



Ontario co. N. Y. 

 J. M. Clarke purchase 



