CRETACEOUS FOSSILS. 233 



ACEPHALA. 

 MARTESIA, Leach. M. CLAUSA, Gabb. 



Martesia clausa, Gabb; Vol. 1, p. 145, pi. 22, fig. 115. 



Chico Group, Pence's, Texas Fiat, Tuscan Springs; Martinez Group, Mar. 

 tinez ; Tejon Gioup, Martinez, Tejon, and ten miles west of Griswold's. 



TURNUS, Gabb. T. PLENUS, Gabb. 



Turnus plenus, Gabb; Vol. 1, p. 146, pi. 22, tig. 116. 



Shasta Group, Cotton wood Creek; (? Chico Group, Pacheco's Pass). 



SOLEN, Linn. S. PARALLELUS, Gabb. 



Solcn parallelus, Gabb; Vol. 1, p. 146, pi. 22, fig. 117. 

 Plectosolen paralldus, Con. ; Sm. Check List, 1*1 o. 241. 

 Tejon Group, Martinez, Marsh's and Tejon. 



S. (HYPOGELLA) CUNEATUS, Gabb. 



S. (Hypogella) cuneatus, Gabb; Vol. 2, p. 175, pi. 29, fig. 61. 

 Martinez Group, Martinez. 



S. (HYPOGELLA) DIEGOENSIS, Gabb. 



S. (Solena) Diegoensis, Gubb ; Vol. 1, p. 213, pi. 32, fig. 280. 

 Plectosolen Diegoensis, Con. ; Sm. Check List, No. 240. 

 S. (Hypogella) Diegoensis, Gabb ; Vol. 2, p. 176. 

 Tejon Group, San Diego. 



PHARELLA, Gray. P. ALTA, Gabb. 



Pkarella atta, Gabb ; Vol. 1, p. 147, pi. 22, fig. 118. 

 Martinez Group, Martinez. 



SILIQITA, Muhlf. S. OREGONENSIS, Gabb. 



Siliqua Oregoncnsis, Gabb; Vol. 1, p. 147, pi. 29, fig. 237. 

 Chico Group, Siskiyou Mountains. 



CORBULA, Brug. ? C. PRIMORSA, Gabb. 



? C.primorsa, Gabb ; Vol. 1, p. 148, pi. 22, fig. 120. 

 Tejon Group, Corral Hollow. 



PAL. VOL. II. 31 



