TYPE SPECIMENS OF PALEOZOIC FOSSILS 513 



Schizodus rhombeus Hall 



3152 "jf* hypotype Cypricardia? r h o m b e a Hall. Geology 



of New York; report on the 4th district. 1843. p. 291. 



Cytherodon (Schizodus) rhombeus Hall. 



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



and explanations, pi. 75, fig. 19. 



Schizodus rhombeus Hall. Paleontology of 

 New York. 1885. v. 5, pt r, pi. 75, fig. 19. 



Chemung beds Belvidere, Allegany co. N. Y. 



R. P. Whitfield, coll. 1869 

 3 r 53 S-^- 2 - hypotype Hall. Paleontology of New York. 1883. v. 5, 

 pt 1, plates and explanations, pi. 75, fig. 21. 



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

 pi. 75, fig. 21. 



Chemung beds Bradford county, Pa. 



A. Sherwood, coll. 187 1 



3154 £^-£ hypotype Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 75, fig. 22. 



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

 pi. 75, fig. 22. 



Chemung beds Bradford county, Pa. 



A. Sherwood, coll. 187 1 



3155 -- 4 -^ hypotype Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 75, fig. 23. 



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

 pi. 75, fig. 23. 



Chemung beds Bradford county, Pa. 



A. Sherwood, coll. 1871 



Schizodus tumidus Hall 



3156 '■'^{' 1 type Schizodus tumidus Hall. Preliminary notice 



of lamellibranchiate shells, pt 2. 1870. p. 94. 



Cytherodon tumidus Hall. 23d annual report of 

 the New York state museum of natural history. 1872. 

 pi. 14, fig. 19. 



Cytherodon (Schizodus) tumidus Hall. 

 Paleontology of New York. 1883. v. 5, pt r, plates and 

 explanations, pi. 75, fig. r, 2. 



Schizodus tumidus Hall. Paleontology of New 

 York. 1885. v. 5, pt 1, pi. 75, fig. 1, 2. 



Onondaga limestone Columbus O. 



R. V. Whitfield, coll. 1865 



