168 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXXII. 



There are Hve additional lots in the collection of the U. S. National 

 Museum: Cat. No. 127563, eleven specimens from San Pedro, Cali- 

 fornia, collected by Mrs. T. S. Oldroyd; Cat. No. 192(381, three from 

 Terminal Island, California, collected by Mrs. W. H. Eshnaur; Cat. 

 No. ()0911, five specimens, collected by Mr. C. R. Orcutt, at San Diego, 

 California; two, Cat. No. 183855, collected by Mr. Baile}^, at La Jolla, 

 California; and live. Cat. No. 105485, that were collected by Mr. H. 

 Hemphill, at Point Abreojos, Lower California. 



VITRINELLA ESHNAURI, new species. 



Shell moderatel}" elevated, subglobose, thin, almost transparent, 

 glassy. Nepionic whorls li, scarcely differentiated from those which 

 follow, well rounded, smooth. Succeeding whorls well rounded, some- 

 what inflated, marked only by exceedingly line lines of growth. 

 Sutures well impressed. Peripher}^ of the last whorl well rounded. 

 Base moderately rounded, marked only by incremental lines, with 

 narrow but open umbilicus, which is obsoletely angled at the outer 

 edge. Columellar wall of umbilicus vertical from the outer edge to 



Fig. 2.— Vitrinella eshnauri. a, top view; b, side view; c, basal view. 



within a short distance of the parietal wall, where it bends outward to 

 join the preceding turn. Aperture decidedly oblique, almost circular; 

 outer lip thin and translucent; columella quite strong and decidedly 

 curved; parietal wall covered by a moderate callus which forms an 

 acute angle with the posterior margin of the lip. 



The type, Cat. No. 127557, U.S.N.M., was collected by Mrs. 

 Oldroyd at San Pedro, California. It has li whorls and measures: 

 Greater diameter, 2.3 mm.; lesser diameter. 1.9 mm.; altitude, 1.3 mm. 



Seven additional specimens were dredged by Mrs. Eshnaur at Ter- 

 minal Island, California, three of which are entered under Cat. No. 

 192685, U. S.N. M., the remaining four being in Mrs. Eshnaur's 

 collection. 



VITRINELLA ALASKENSIS, new species. 



Shell small, subglobose, semitransparent. Nepionic whorls 1^, well 

 rounded, smooth. Succeeding turns somewhat inflated, well rounded, 

 separated by strongly impressed sutures, marked only by incremental 

 lines. Periphery and base of the last whorl well rounded. The latter 



