432 FORTT-FIFTJB. REPORT ON THE STATE MUSEUM. 



Palaeontology of New York, vol. vii, 1888, pi. 31, fig. 19. 

 Hamilton group. Cayuga Lake, N. Y. 



Collected by H. H. Smith, 1871. 



Palaeontology of New York, vol. vii, 1888, pi. 31, fig. 20. 

 Hamilton group. * Canandaigua Lake, N. Y. 



J. M. Clarke purchase. 



Rhinocaris scaphoptera, Clarke. 1888. 



Palaeontology of New York, vol. vii, 1888, p. 197, pi. 31, figs. 

 22, 23. 



Hamilton group. Canandaigua Lake, N. Y. 



Collected by J. 31. Clarke, 1886. 



Genus MESOTHYRA, Hall. 1888. 



Mesothyra Veneris, Hall. 1888. 



Palaeontology of New York, vol. vii, 1888, p. 193, pi. 33, fig. 3. 

 Marcellus shale. East Bloomfield, N. Y. 



J. M. Clarke purchase. 



Mesothyra JVeptuni, Hall. 1863. 



Sixteenth Report on New York State Cabinet of Natural History, 

 1863, p. 75, pi. 1, fig. 9; Illustrations of Devonian Fossils, 1876; 

 Crustacea, pi. 23, fig. 6; and Palaeontology of New York, vol. vii, 

 1888, pi. 32, fig. 7; pi. 33, fig. 1. 



Hamilton group. Plainfield, N. Y. 



J. Gebhard purchase. 



Mesothyra spumcea, Hall. 1888. 



Palaeontology of New York, vol. vii, 1888, p. 93, pi. 32, figs. 8, 9. 

 Hamilton group. Delphi, N. Y. 



Collected by J. W. Hall and G. B. Simpson, 1875. 



Palaeontology of New York, vol. vii, 1888, pi. 33, fig. 2. 

 Hamilton group. Pratt's Falls, N. Y. 



Collected by H. II. Smith and C. Van Deloo, 1874. 



Mesothyra Oceani, Hall. 1888. 

 Pal. N. Y., vol. vii, p. 187. 

 Illustrations of Devonian Fossils, 1876; Crustacea, pi. 23, fig. 1; 

 Palaeontology of New York, vol. vii, 1888, pi. 32, fig. 3; pi. 33, tig. 5. 

 Portage group, [thaca, N. Y. 



Collected by J. W. Hall and (>'. B, Simpson, 1870, 



