TYPE SPECIMENS OF PALEOZOIC FOSSILS 511 



schizodus King 

 Schizodus chemungensis Conrad var. quadrangularis Hall 



3142 &3AQ. type Schizodus quadrangularis Hall. Prelim 



inary notice of lamellibranchiale shells, pt 2. 1870. p. 96. 



Cytherodon (Schizodus) quadrangularis 

 Hall. Paleontology of New York. 1883. v. 5, pt 1, 

 plates and explanations, pi. 75, fig. 31. 



Schizodus chemungensis var. quadrangu- 

 laris Hall. Paleontology of New York. 1885. v. 5, 

 pt 1, p. 454, pi. 75, fig. 31. 



Ithaca beds Ithaca N. Y. 



J. W. Hall and C. Van Deloo, coll. 1866 



Schizodus contractus Hall 



3143 *y * type Cytherodon (Schizodus) cuneus Hall 



(in part). Paleontology of New York. 1883. v. 5, pt 1, 

 plates and explanations, pi. 75, fig. 27. 



Schizodus contractus Hall. Paleontology of 

 New York. 1885. v. 5, pt 1, p. 451, pi. 75, fig. 27. 



Hamilton beds Cayuga lake, N. Y. 



. H. H. Smith, coll. 187 1 



3144 -4M type Cytherodon (Schizodus) cuneus Hall 



(in part). Paleontology of New York. 1883. v. 5, pt 1, 

 plates and explanations, pi. 75, fig. 28. 



Schizodus contractus Hall. Paleontology of 

 New York. 1885. v. 5, pt 1, pi. 75, fig. 28. 



Hamilton beds Cayuga lake, N. Y. 



H. H. Smith, coll. 187 1 



Schizodus ellipticus Hall 



3145 ' , - 1 iL ' A type Schizodus ellipticus Hall. Preliminary 



notice of lamellibranchiate shells, pt 2. 1870. p. 96. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 75, fig. 13. 



Hamilton beds Canandaigua lake, N. V. 



C. A. White and C. Van Deloo, coll. i860 



3146 ''^- type Hall. Paleontology of New York. 18S5. v. 5, pt 1, 



pi. 75, fig. 14. 



Hamilton beds Canandaigua lake. N. \ . 



C. A. White and ('. Van Deloo, coll. 1 



