TYPE SPECIMENS OF PALEOZOIC FOSSILS 561 



Raphistoma striatum Emmons (sp.) 



3457 i2 -f A ~ type Maclurea striatus Emmons. Geology of 



New York; report on the 2d district. 1842. p. 312, fig. 3, 

 Hall. Paleontology of New York. 1847. v. 1, pi. 6 r 



fig. 2a, 2b. 



Chazy limestone Chazy, Clinton co. N. Y. 



scalites Emmons 



Scalites angulatus Emmons 



3458 -LftA^iL hypotype Scalites angulatus Emmons. Geology 



of New York; report on the 2d district. 1842. p. 312. 



Hall. Paleontology of New York. 1847. v. 1, pi. 6,. 

 fig. ib. 



Chazy limestone Chazy, Clinton co. N. Y- 



scenella Billings 

 Scenella retusa Ford 



3459 - lq t & ^ type Scenella retusa Ford. American journal of 



science and arts, ser. 3. 1873. 5 : 214, fig. 2a, 2b. 



Walcott. Bulletin of the United States geological sur- 

 vey, no. 30. pi. 12, fig. 3. 



Walcott. 10th annual report of the United States geo- 

 logical survey. 1890. pi. 73, fig. 6. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 

 schizostoma Bronn. 

 Schizostoma complanatum Vanuxem (sp.) 



3460 -Lfl^ 1 - hypotype Ophileta complanata Vanuxem. Ge- 



ology of New York ; report on the 3d district. 1842. p. 36. 



Hall. Paleontology of New York. 1847. v. 1, pi. 3, 

 fig. 6. 



Beekmantown limestone Canajoharie X. Y 



Schizostoma levatum Vanuxem (sp.) 



3461 ' " •}'-' ' hypotype Ophileta levata Vanuxem. Geology ol 



New York; report on the y\ district. 1S12. p, 



Hall. Paleontology of New York. [847. V, I, pi. 



fig. I- 



Beekmantown limestone Canajoharie N. \ 





