BULIMULUS. 



195 



Liostracus dormani, Tkyon, Am. Jouni. Conch. Ill, 169, pi. xiii, f. 8 

 (1867). 



Found at several points near St. Augustine, Florida, by Major 

 O. M. Dorman. 



Judging from the description and figure given by Eeeve, 

 Bulimus macidatus, Lea, of Cartliagena, New Grenada, must be 

 nearly related to this species. 



Subgenus MESEMBRINUS, Albers. 

 Shell rimate-perforate, conic-ovate, striated, white, variegated 

 with red ; rather solid ; whirls 6-7 ; aperture shorter than the 

 spire ; columella subtortuous ; aperture less than one-half the 

 length, oblong ovate ; peristome simple, acute, straight, its colu- 

 mellar termination more or less dilated, appressed, reflected. 



Fie. 340. 



Buliinilllis pallidior, Sowekby. — Shell rather solid, elongate 

 ovate, white, faintly striate : spire acuminate ; whirls six, convex; suture 

 well impressed, last whirl three-fourths the length of 

 the shell, tumid and somewliat gibbous on the back ; 

 apei'tiire placed somewhat laterally, half the length 

 of the shell, suboval, its plane nearly that of the 

 axis, extremities of the peristome approximate ; peri- 

 stome moderately reflected at base, still less so late- 

 rally, rising broadly at the columella, and standing 

 off' from the body-whirl ; umbilical opening large and 

 deep, subcircular ; fauces cream colored. Length 36, 

 breadth nearly 25 mill. 



Biilirnus pallidior, Sowerby, Proc. Zool. Soc. 1833, 

 72, &c. 

 Fig. 341. Bulimus pallidior, Pfeiffer, Mou. 



Hel. Viv. II, 61, &c. 

 Bulimus vecjetus, Gould, Bost. 



Journ. VI, 375, pi. xiv, f. 2 (1853). 

 Thaumastus pallidior, Tryon, Am. Journ. Conch. Ill, 

 170, pi. xiii, f. 9 (1867). 



It seems to inhabit all the peninsula of Cali- 

 fornia, having been found by Mr. Xantus at Cape 

 San Lucas and thi-ee hundred and fifty miles 

 above, and by others at San Juan and San Diego. 

 It is found on high Copaiva trees. It is said to 

 Suiimiis paiikiior. inhabit South America. 



Bulimului itydiis. 



