SYNOPSIS OF SIM'X'IES FROM OTUBlt REPORTS. 461 



rroUnanlium .sltutuaidi, M. & II., Pal. Up. Missouri, p. 98, figs. a aucl 6. 



Southwest base of lilack Hills, in Jurassic rocks. 



Myacites (Fleiiromya) nebrascensis aud .1/. (/'.) Hubellipticus M. & H. 



Are both cited as occurring at tlic southwest base of the Black Hills 

 (Paleontology of the Upper Missouri, pp. 100-101), but we have not been 

 able to identify either of them among- the collections. 



Thracia f arcuata M. «& H., Pal. Up. Missouri, p. 102, PI. 4, tig. 8. 



From near the middle of the Jurassic, at the southwest base of the 

 Black Hills. 



Fholadomya humilis M. & U., Pal. Up. Missouri, p. 104, PI. 4, fig. 3. 



Lower part of Jurassic, soutiiwest base of Black Hills. 

 Planorhis vettirnus M. & H., Pal. Up. Missouri, p. 107, PI. 4, fig. 1. 



Southwest base of Black Hills. 

 Valvata f scabrida M. & H., Pal. Up. Missouri, p. 113, PL 4, tig. 2. 



Southwest base of Black Hills, in Jurassic rocks. 

 Viviparus gilU Meek, Pal. Up. Missouri, p. 115, PI. 4, fig. 3. 



Southwest base of Black Hills. 



Lioplacoduis veternus M. &. H., Pal. Up. Missouri, p. 116, with tigs. 

 Southwest base of Black Hills and head of Wind River. 



Ammonites henry i M. & H., Pal. Up. Missouri, p. 123, PI. 4, tig. 9. 

 Southwest base of Black Hills. 



Scrpula sp. ?, Pal. Up. Missouri, p. 128. 



Southwest base of Black Hills, lower part of Jurassic. 



CRETACEOUS SPECIES. 



Websteria cretacea Meek, Pal. U. S. Geol. Surv. Terr., p. 3, PI. 28, fig. 3. 



A small coralline-like body from the Fox Hills Group of the south fork 

 of the Cheyenne River. 



