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PROCEEDINGS OF THE NATIONAL MUSEVM. 



the junction of the outer and basal lip, and forming almost an angle 

 at the junction of the basal and inner lip; inner lip slightly curved, 

 appressed to the base for three-fourths of its length, the anterior 

 portion only being free ; parietal wall covered by a thick callus, which 

 renders the peritreme complete. 



The type. Cat. No. 152192, U.S.N.M., was collected at Crocker's 

 wharf, San Pedro, California. It has five whorls and measures — 

 altitude, 1.8 mm.; diameter, 1.1 mm. The small size and the color 

 banding, as well as the very large aperture, will distinguisli this 

 from the other obscurely angulated Barleeias of the West Coast. 



The following additional specimens have been examined : 



I Type. 

 BARLEEIA ORCUTTI, new species. 

 Plate 13, fig. 8. 

 Shell very small, elongate oval; the early whorls white, the last 

 with the posterior half diffused with pale brown, the anterior white, 

 and a broad light brown band on the middle of the base. Nuclear 

 whorls almost two, well rounded, marked by numerous small pits 

 which are arranged in more or less sinuous axial lines, as well as in 

 spiral series. Postnuclear whorls rather inflated, well rounded, very 

 narrowly shouldered at the summit, marked by fine retractively slant- 

 ing incremental lines and exceedingly fine spiral striations. Suture 

 well marked. Periphery of the last whorl well rounded. Base short, 

 well rounded, marked like the sj)ire. Aperture subcircular ; posterior 

 angle obtuse; outer lip thin; the basal and inner lip join in an even 

 curve; inner lip free, curved, continuing posteriorly into a parietal 

 callus, which is also partly free from the body wall and joined to the 

 posterior angle of the aperture, rendering the peritreme complete. 

 The summit of the last whorl sinks slightly below the periphery at 

 the aperture; operculum typical. 



The type, and five additional specimens, of this species. Cat. No. 

 218360, U.S.N.M., were collected by Mr. Orcutt in Magdalena Bay, 

 Lower California. The type has five and one-half whorls and meas- 

 ures — altitude, 2.2 mm.; diameter, 1.3 mm. Two additional speci- 

 mens. Cat. No. 105182, U.S.N.M., come from Point Abreojos, Lower 

 California. 



