TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 211 



2170S. Cythere nebrascensis Geinitz. Plesiotype. 



Permian. Military Crossing of the Big Wichita, Baylor 

 County, Texas. 



White, Bull. No. 77, U. S. Geol. Surv., 1891, p. 30, pi. 4, fig. 20. 



35425. Cythere nitidula Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 107, 

 pi. 36, figs. 21-23. 



25426. Cythere nitidula calvertensis Ulrich and Bassler. Cotypes. 

 Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 108, 

 pi. 36, figs. 24, 25. 



35427. Cythere paucipunctata Ulrich and Bassler. Holotype. 



Choptank (Miocene). Peach Blossom Creek, three miles 

 southwest of Easton, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 105, 

 pi. 38, figs. 7-9. 



35428. Cythere planibasalis Ulrich and Bassler. Holotype. 



Chesapeake (Miocene). James River, Virginia. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 99, 

 pi. 38, figs. 1-3. 



35429. Cythere plebeia Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 102, 

 pi. 35, figs. 20-29. 



35430. Cythere plebeia capax Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 103, 

 pl- 35, figs. 30-33. 



35431. Cythere plebeia modica Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 103, 

 pl. 35, figs. 18, 19. 



35432. Cythere porcella Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 106, 

 pl. 36, figs. 26-33. 



35433. Cythere producta Ulrich and Bassler. Holotype. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 115, 

 pl. 36, fig. 17; pl. 38, figs. 28-30. 



