﻿442 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 4} 



Height of 



Shell. 



18.5 

 22.0 

 26.O 



Numerous specimens were collected by Dr. J. J. Brown of Sheboy- 

 gan, Mich., at Exuma Island. U. S. Nat. Mus., No. 37,674. 



This species is much like brunneum, from which it differs by its 

 smaller, more delicate, and thinner shell, narrower and much shorter 

 parietal lamina, its thinner and less reflected peristome, and its last 

 whorl rising much less at its termination. From C. inflatum of 

 Acklin Island, it differs especially by its striate last whorl, and more 

 evenly fusiform shell not swollen toward the apex. This species was 

 identified as inilatum by Mr. Maynard, as stated in Dr. Pilsbry's 

 monograph of the genus, but a careful study of it shows that it 

 cannot be so united. 

 Ccrion (Strophiops) Northropi new species. PI. lviii, fig. 11. 



Shell of moderate size, thin, delicate, cylindric, with two pale 

 polished nuclear and nine subsequent whorls ; white, with sparse 

 narrow irregular oblique brownish streaks ; body cylindric, the apex 

 forming a short dome, last whorl hardly attenuated, with a closed 

 umbilicus, simple, well reflected white peristome and feeble parietal 

 callus; parietal lamina small, short (about 4 mm.), axial lamina 

 sharp but hidden ; sculpture of (on the penultimate whorl) about 66 

 very fine, quite oblique, regular even ribs, with narrower interspaces, 

 uniform over the whole shell. 



Height of 

 Shell. 



27.O 



30.0 



" Bahamas," Greegor (probably one of the westernmost islets 

 near Gun Cay). U. S. Nat. Mus., No. 124,135. 



This resembles externally C. Dalli Maynard, which has a long 

 parietal lamina, and less closely C. milleri Pfr. of the Exuma group. 

 There is no other species at all near to it figured by Dr. Pilsbry in 

 the Manual. 



That which most suggests it is perhaps a depauperate variety of 

 C. agrestinum Maynard, which is easily distinguished by its more 

 solid character, ovate form, larger aperture and more conspicuous 

 peristome. The specimens were obtained from some one of the 

 small cays on the eastern side of Florida strait, but the donor, Mr. 

 1. ( ireegor, was unable to find out which islet. 

 Cerion eximium Maynard. 



One specimen found at Nassau. 



