COCHLOSTYLA OF MINDORO PROVINCE 



453 



The United States National Museum collection contains the fol- 

 lowing specimens of this species: Eight (U.S.N.M. no. 106404), two 

 of which were collected by Cuming; five (U.S.N.M. no. 195398) from 

 the von M Ollendorff collection from Mindoro; two (U.S.N.M. no. 

 309446) collected bv Schmacker in Mindoro; three (U.S.N.M. no. 

 313642) collected by Juan Antonio in Mindoro. These yield the 

 measurements given in the foregoing table. 



This species is readily distinguishable from Cochlostyla. (Eudoxus) 

 simplex by its much larger size, more ovate shape, and much more 

 oval aperture. 



COCHLOSTYLA (EUDOXUS) CANONIZADOI Bartsch 



Plate 101, Figure 8 



1932. Cochlostyla (Eudoxus) canonizadoi Bartsch, Journ. 

 Sci., vol. 22, p. 338. 



Washington Acad. 



Shell helicoid, rather elevated with a broadly conic spire. The 

 spire is milk white. Base with a pale greenish tinge. Interior of 

 aperture and peristome white. Nuclear whorls 1.5, marked by incre- 

 mental lines, which are a little stronger on the last portion of the last 

 turn than on the rest. Postnuclear whorls inflated, well rounded, 

 appressed at the summit, and marked by incremental lines and feebly 

 incised spiral striations. Suture moderately impressed. Periphery 

 of the last whorl inflated, feebly angulated. The base is short, inflated, 

 and strongly rounded. Aperture very broadly ovate, almost subcir- 

 cular. The peristome is broadly expanded and reflected. The inner 

 lip is expanded and reflected and is adnate to the base except at the 

 extreme tip. The parietal wall is glazed with a moderately thick 

 callus. 



U.S.N.M. no. 313723 contains 16 topotypes, which measure: 



