178 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I48 



Page 

 2. — Camarophorina antisella (Broili), X2, Permian, Basleo, Timor, USNM 



92213 83 



Plate 8 



1— lb. — Camerisma prava n. sp., Mississippian of Alaska 66 



1. Ventral, dorsal, lateral, posterior, and anterior views, XI, holotype, 

 USNM 142073, USGS loc. 3779. 



la. Ventral, dorsal, lateral, posterior, and anterior views, XI, USNM 



142074, USGS loc. 3779. 

 lb. Ventral, dorsal, and anterior views, X1.6; cross-sectional view, 

 X2.5, 3 mm. anterior to beak, USNM 142072, USGS loc. 3779. 

 2-2a. — Camerisma sagmaria n. sp., Lower Permian Trogkofel, Yugoslavia. 69 



2. Dorsal, lateral, and anterior views, X2, holotype, USNM 127876. 

 2a. Section, etched, X5, about 1.5 mm. from beak, USNM 63169. 



3-3a. — Camerisma girtyi n. sp., X 1, Mississippian of Alaska 67 



3. Ventral, dorsal, lateral, posterior, and anterior views, USNM 

 142069, USGS loc. 3864. 



3a. Ventral, dorsal, lateral, posterior, and anterior views, holotype, 

 USNM 142071, USGS loc. 3708. 



Plate 9 



1— Id. Psilocamara renfroarum Cooper, X2, Pennsylvanian, near Jacksboro, 



Tex. (see Cooper, 1956a) 79 



1. Ventral, dorsal, lateral, posterior, and anterior views, holotype, 

 USNM 124412a (photo by Cooper, 1956a, pi. 61, figs. 20-25). 



la. Ventral, dorsal, lateral, posterior, and anterior views, USNM 

 142048. 



lb. Ventral, posterior, and anterior views, USNM 142049. 



lc. Ventral, dorsal, lateral, posterior, and anterior views, USNM 

 124412b (photo by Cooper, 1956a, pi. 61, fig. 26-30). 



Id. Ventral, dorsal, and anterior views, USNM 142050. 

 2-2c. — Coledium bowsheri (Cooper), Magdalena Group, Sacramento Moun- 

 tains, N. Mex. (Cooper, 1956a) 104 



2. Ventral, dorsal, lateral, posterior, and anterior views, X2, and dor- 

 sal view XI, USNM 124408b, (photo by Cooper, 1956a, pi. 61, fig. 

 48-51). 



2a. Ventral, dorsal, lateral, posterior, and anterior views, X2, and dor- 

 sal view XI, holotype, USNM 124408a (photo by Cooper, 1956a, pi. 

 61, fig. 42-47). 



2b. Lateral view of interior, X4, showing camarophorium, crura, and 

 spondylium, USNM 142090. 



2c. Interiors of 3 specimens, X3 (photos by Cooper, 1956a, pi. 61, figs. 

 52-55) from top to bottom: two views of one specimen USNM 

 124408g, camarophorium and spondylium in upper view, convex side 

 of camarophorium in lower view ; brachial interior USNM 124408i, 

 showing concave spoon of camarophorium, and intercamarophorial 

 plate ; interior seen from anterior, USNM 124408h, pedicle valve up, 

 brachial valve down, showing camarophorium, one crus, and spondy- 

 lium. 





