THE NAUTILUS. 41 



The alleni were 24 and 25 mm. in diam., and the larger one of 

 the thyroides 20 mm,, the others 18 mm. and of less than five whorls. 

 It will be noticed that no injiecta were found here. 



III. The third locality was two miles north of Brentwood, the 

 first station north of Winslow, at a place on the railroad called by 

 the country people " acorn cut," from the fossil pentremites found 

 there. In the woods near the railroad I got : 



P. albolabris alleni, 1 specimen ; P. thyroides, 2 ; P. clausa, 3 ; P. 

 appressa, 4 ; P. neglecta, 2 ; P. edentata, 6 ; P. lahrosa, 4 ; P. per- 

 spectiva, 5. 



These were all found close to the valley, while at Winslow they 

 were found only high up on the mountain. 



Columbia^ Missouri. 



THEW JAPANESE SCALABIIDAE. 



BY HENRY A. PILSBRY. 



(^Concluded.) 

 Scala kamakurana, n. sp. 



Related to /S. turricula Sowerby. The shell is imperforate, pure 

 white. The spire is straightly conic. First three whorls form a 

 smooth, embryonic shell. Following whorls sculptured with ribs 

 and spiral striae are well rounded, with deep sutures. The spirals 

 are cord-like, about as wide as their intervals; on the penultimate 

 whorl there are eight. They are wanting on the upper third of each 

 whorl, which is almost smooth. About twelve spiral cords can be 

 counted on the last whorl. The vertical ribs are mostly rather nar- 

 row and delicate, slightly recurved, but there are from one to three 

 stronger ribs on each of the last two whorls. Each rib has an angle 

 or a short point above quite near the suture. There are fifteen ribs 

 on the last whorl of a shell 9 mm. long, and seventeen on a slightly 

 larger shell 9.8 mm. long. The ribs are for the most part connected 

 or continuous from whorl to whorl, but in some places they do not 

 connect. Aperture short-oval ; columellar margin of the peristome 

 wider than the varix of the outer lip. Length 9, diam. 3.8 mm,; 

 whorls 9, 



Kamakura, Sagami. Types No, 70740, A. N, S. P,, collected by 

 F. Stearns. 



