52 STUDIES IN GEOLOGY, No. 3 



with a raised lip and a fan-like flare bordering the outer lip 

 over which the spiral sculpture continues to the raised 

 peristome. The canal is very narrow, open and short. Co- 

 lumella almost straight. Height, 18; diameter, (maximum) 

 ii mm. 



This beautiful little Murex has its nearest fossil relative 

 in M. missippiensis Conrad, 46 from the Vicksburg, Tampa, 

 and Chipola formations of Florida. It differs in having a 

 shorter canal, with the inner apertural margin smooth instead 

 of crenulate, and with the aperture not as nearly circular 

 as in laqueoratus. 



Zorritos formation. Zorritos district. 



Suborder STRSPTODONTA 

 Superfamily TAENIOGLOSSA 



Family DOLIIDAE 



Genus DOUUM Lamarck 



Subgenus MAI^A Valenc. 



Dolium (Malea) camura (Guppy) 



Malea ringens Conrad Pac. R.R. Repts., vol. 6, p. 72, pi. 5, fig. 

 22, 1857. 



Malea camura Guppy, Quart. Jour. Geol. Soc. I^ond., vol. 22, 

 p. 287, pi. 17, fig- 9, 1866. 



Malea sp. ind. Nelson, Trans. Conn. Acad., vol. 2, p. 196, 1870. 



Malea ringens Gabb, (ex parte) Trans. Amer. Philos. Sbc., 

 vol. 15, p. 223, 1873. 



Malea camura Guppy, Quart. Jour. Geol. Soc. Lond., vol. 32, 

 p. 525, 1876. 



Malea camura Dall, Trans. Wag. Inst, vol. 3, pt. 6, p. 1584, 

 1903 (checklist). 



"Jour. Ac. Nat. Sc. Phila., ser. 2, vol. I, p. 116, pi. 11, fig. 30, 

 1848. 



