1919.] 



NATURAL SCIENCES OF PHILADELPHIA. 



213 



A review of the species of Salasiella known up to 1907 was given 

 in the Manual of Conchology XIX, pp. 170-174. Since that time 

 S. hrowni Pils., of the Canal Zone, has been described. 



Fig. 3. 



Leptinaria livingstonensis 

 Hinkley. 



Salasiella guatemalensis n. sp. Fig. 1. 



The shell is oblong, pale yellowish, glossy, with fine, unequal 

 growth-ripples. Spire rather short, conic, the apex obtuse. Whorls 

 convex, the third hardly wider than the second, the rest rather 

 rapidly widening, the last somewhat compressed laterally. Aperture 

 more than half the total length. Outer lip strongly arching forward. 

 Columella concave as usual. 



Length 9.9, diam. 4, length of aperture 5.6 mm. ; 5| whorls. 



Gualan, Guatemala, S. N. Rhoads. Type and paratypes. No. 

 114,838, A. N. S. P. 



This species stands near S. hrowni of the Canal Zone, but is stouter 

 with shorter spire. 



A few specimens, not fully mature, were taken by Mr. Hinkley 

 at Jocolo. 



Spiraxis livingstonensis n. sp. PI. XI, fig. 1. 



The shell is subulate, its diameter contained 3.7 times in the 

 length, very pale yellow, composed of 91 rather strongly convex 



