OP coNcnoLooY. 203 



18. Partula variabilis, Pse. 



Description. — T. oblongo-ovata, soliJa, parum nitida, um- 

 bilicata; anfr. 5 — 6, piano-con vexis, longitudinaliter tenui et 

 rugosim striata ; apertura oblongo-ovalis. ad basi contracta ; 

 labro piano rotundato, vix callosa ; columella recta. 



Pallide castanea aut fulvescente cornea, longitudinaliter 

 rufescente fuscis irregulariter strigata. _ 



Omnino rufescente fusca, interdum fascia lata fulvescente cor- 

 nea cingulata. 



Straminea. 



Dimensions. — Long. 22, diam. 13 mill. 



Shell oblong ovate, solid, rather dull, umbilicate ; wliorls 5 

 or 6, flatly convex, rugosely and finely striated longitudinally; 

 aperture oblong oval, narrow at base ; lip flatly rounded, 

 slightly callous on outer lip; columella straight. 



Color, light chestnut or yellow horn color, with irregular 

 reddish-brown longitudinal stripes. 



Plain dark reddish-brown, sometimes with a broad yellowish 

 horn color band. 



Wholly straw color. 



Observatio7is. — Neither the above nor fusca, Pse., are the 

 Navigatoria, Pfr. This species is more elongate than the 

 fusca, Pse., and differs also from that species in the form of 

 its lip. 



[To be continued.] 



