442 NEW YORK STATE MUSEUM 



. 



2 73 8 a^jli type Microdon (Microdonella) (Eodon) 



complanatus Hall. Paleontology of New York. 

 1883. v. 5, pt 1, plates and explanations, pi. 74, fig. 15. 

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



pi. 74, fig. 15- 



Ithaca beds Norwich N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



Microdon (Microdonella) (Eodon) com- 

 planatus see Microdon cypricardella complanatus 



Microdon gregaria ^ Microdon (Cypricardella) 

 gregarius 



Microdon (Cypricardella) gregarius Hall 



2739 jllz£ TY p E Microdon gregaria Hall. Preliminary notice 



of lamellibranchiate shells, pt 2. 1870. p. 32. 



Microdon (Microdonella) (Eodon) gre- 

 garius Hall. Paleontology of New York. 1883. v. 5, 

 pt 1, plates and explanations, pi. 73, fig. 2. 



Microdon (Cypricardella) gregarius 

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



pi. 73, fi g- 2 - 



Ithaca beds Jefferson, Schoharie co. N. Y. 



J. W. Hall and G. B. Simpson, coll. 1869 



2740 ay- 2 - type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 73, fig. 3. 



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



pl. 73, fig- 3- 



Ithaca beds Jefferson N. Y. 



2741 2AJ.2. type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 73, fig. 5. 



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



pl. 73> fig- 5- 



Ithaca beds Jefferson N. Y. 



J. W. Hall and G. B. Simpson, coll. 1869 

 Microdon (Microdonella) (Eodon) gre- 

 garius see Microdon (Cypricardella) gregarius 



Microdon tenuistriata see Microdon (Cypri- 

 cardella) tenuistriatus 



