N0.1574. WJSST AMERICAS^ PVR AMTDELLTD.E—DALL AND BARTSCH. 528 



forced at the base, provided with u slender fold at its insertion, which 

 is not visible when the aperture is viewed s(iiiareiy. 



The type (Cat. No. I!»0l24:4, U.S.N.M.) has four post-nuclear whorls, 

 and measures: Lenoth 4.1 mm., diameter 2.2 nun. It Avas dredged 

 bv the U. S. Fisheries steamer Alhatroxs, at Station No. 3346, off 

 Tillamook, Oregon, in 786 fathoms, green mud, bottom temperature 

 37 -.3. 



ODOSTOMIA ( EVALEA ) ANGULARIS, new species. 

 Plate XLVII, lig. 2. 



Shell very regularly elongate-conic, subdiaphanous to milk-white. 

 Nuclear whorls small, deeply obliquely immersed in the first of the 

 succeeding turns above which the tilted edge of the last turn only is 

 visible, i^ost-nuclear whorls slightly rounded, separated by constricted 

 sutures, marked by numerous slender, wavy, subequal and subequally 

 closely spaced spiral striations, of whicii al)out 33 occur upon the last 

 turn between the summit and the periphery. Periphery of the last 

 whorl marked by a .'slender raised keel, decidedly angulated. Base 

 short, moderately rounded, narrowly attenuated anteriorly to reen- 

 force the columella, sculptured like the posterior portion of the whorls. 

 Aperture ovate, very broad, slightl}^ effuse anteriorly ; posterior angle 

 acute; columel^a very slender, evenly curved, closely appressed to the 

 attenuated base, with a strong fold at its insertion which is barely visi- 

 ble when the aperture is viewed squarely. 



The t3"pe has 7 post-nuclear whorls and measures: Length 5.6 mm., 

 diameter 2.8 mm. It and four additional specimens (Cat. No. 150565, 

 LT.S.N.M.) were collected by Rev. C ^V. Taylor at Nanaimo, British 

 Columbia. 



Five other lots are in the collection of the U. S. National Museum; 

 Cat. No. 159474, one, collected by Doctor Dall at Sitka Harbor, Alaska; 

 Cat. No. 126664, three specimens collected by Dr. C. F. Newcombe at Vic- 

 toria, Vancouver Island, British Columl)ia; Cat. No. 433S4, one speci- 

 men from Puget Sound; Cat. No. 1()1624, four from Port Harford, Cal- 

 ifornia, collected by Mrs. Merrihew; Cat. No. li)63()0, one, dredged by 

 the Bureau of Fisheries steamer Albatross at Station No. 3194, off" the 

 California coast, in 92 fathoms, gray sand, bottom temperature 45 .9; 

 18 specimens were determined for Mr. S. S. Berry from 12 fathoms 

 off Del Monte, Monterey Bay. California. 



ODOSTOMIA I EVALEA I JEWETTI, new species 



Plate XLVII, lig. 3. 



Odostomia inflnUi Carpenter, part, Ann. Mag. Nat. Hist., XV, 1865, p. 394. 



Shell elongate-ovate, white. Nuclear whorls very small, smooth, 



obliquely immersed in the first of the succeeding turns, above which 



onlv the last one is visil)le. Post-nuclear whorls well rounded, a little 



