640 PROCEEDINGS OF THE NATIONAL 7>[rSEUM. vol.52. 



PYRAMIDELLA (SYRNOLA) DILLERI Anderson and Martin. 



EuUmella dilleri Anderson and Martin, Proc. Cal. Acad. Sci., vol. 4, 1914, 

 p. 67, pi. 7, fig. 24. 



Anderson and Martin found this species in the sea cliff (Miocene), 

 one-quarter mile north of the lighthouse at Cape Foulweather, 4 miles 

 noith of Yaquina Bay, locality 37. The type, No. 140, California 

 Academy of Sciences, consists of the last eight whorls and measures 

 9.5 mm. long and 3.5 mm. wide. 



TURBONILLA (STRIOTURBONILLA) CANADENSIS, new species. 

 Plate 44, fig. 11. 



Shell elongate conic, slender, yellowish white. Nuclear whorls 

 small, two and one-half, depressed helicoid, having their axis at right 

 angles to that of the succeeding turns, in the first of which they are 

 about one-fourth immersed. Postnuclear whorls almost flattened, 

 rather high between the sutures, appressed at the summit, marked by 

 quite regular, slightly curved, protractive, axial ribs, of which 14 

 occur upon the first, 16 upon the second and third, 18 upon the fourth 

 to seventh, 20 upon the eighth, and 22 upon the ninth and the 

 penultimate turn. Intercostal spaces not quite as wide as the ribs, 

 deeply impressed, terminating at the periphery, which is decidedly 

 angulated. There is a smooth space between the periphery and the 

 succeeding whorl, which falls at some little difei:ance anterior to the 

 periphery of the preceding turn. This gives the whorls a somewhat 

 overhanging appearance. Suture well constricted. Base short, well 

 rounded, entire surface marked by microscopic striations. Aperture 

 subquadrate, posterior angle obtuse ; outer lip thin ; inner lip slightly 

 curved and somewhat revolute. 



The type, Cat. No. 273964, U.S.N.M., was collected by G. Willett, 

 at Forrester Island, Alaska. It is a complete specimen of 11 post- 

 nuclear whorls, and measures — length, 6.3 mm.; diameter, 1.5 mm. 

 Two additional specimens of this species are in Mr. Willett's col- 

 lection. 



TURBONILLA (STRIOTURBONILLA) MONTEZUMA, new species. 

 Plate 44, fig. 1. 



Shell broadly elongate conic, yellowish-white, nuclear whorls two 

 and one-fourth, well rounded, forming a very depressed helicoid 

 spire, having its axis at a right angle to that of the succeeding turns 

 in the first of which it is about one-fourth immersed. Postnuclear 

 whorls well rounded, appressed at the summit, ornamented with very 

 strong, narrow, well rounded, slightly protractive axial ribs of which 

 18 occur upon the first, 16 upon the second, 14 upon the third to 



