324 AXTILLE AN FOSSILS— GUPPY AND DALL. vt. xix, 



CALLIOSTOMA ROSEOLUM, Dall. 



r. roseolum, Dall, Bull. Mus. Coiiip. Zool., XVIII, p. 366, pi. xxiv, figs. 6, 6a, 

 1889. 



Kecent in the Antilles, 15 to 200 fathoms. Fossil iu the Oligoceue of 

 Jamaica with the preceding species (Gui)i)y, 2293c). 



CALLIOSTOMA CORBIS, Dall. 

 €. covMk, Dall, Bull. Mus. Conip. Zool., XA'lIl, p. 'Mw, pi. xxxiii, fig. 1, 1880. 

 Kecent in the Antilles, 220 to 450 fathoms. Fossil in the Oligocene 

 of Jamaica, Vendryes (Guppy, 2294). No. 107098, U.S.N.M. This is 

 perhaps the most common si^ecies of Calliostoma in the BoAvden marl. 



SOLARIELLA ALTIUSCULA, Guppy, new species. 

 (Plate XXVII, fig. 17.) 



Somewhat turrited; whorls 5-6, adorned with sharp spiral ridges, ot 

 which only about 2 are visible on the upper whorls, 4 on the last whorl 

 but one, and about 10 on the last whorl; three apical whorls smooth; 

 umbilicus open, deep, with about 4 granular or tubercular ridges on the 

 last whorl; base encircled with a strong sharp ridge; aperture sub- 

 quadrate, almost circular. Alt. G.3, lat. 7 mm. [G.] 



Oligocene of Jamaica, Vendryes (Guppy, 22G9). Xo. 107125, U.S.N.M. 



LIOTIA SIDEREA, Guppy, new species. 

 (Plate XXVII, fig. 18.) 



Turbinate, rimate; whorls 5-6, covered with a fine, scaly ornamenta- 

 tion ; two keels, one on the angle of the whorls and one halfway between 

 that and the suture; suture deep, b(n'derod by a dentate ridge; l)ase 

 ornamented with 6 to 7 rows of rather square granules, largest near a 

 wrinkled and dentate callus surrounding the imperfect umbilicus; 

 aperture circular; lip expanded anteriorly, continued over the body 

 whorl by a callns; columella reflected. Alt. 3.5, lat. 3.5 mm. [G.| 



Oligoceue of Jamaica, Vendryes (Guppy, 2292). No. 107095, 1'.S.N.M. 



LIOTIA VERESIMILIS, Guppy, new species. 

 (Plate XXVII, fig. 13.) 



Conic-pyramidal, umbilicate; whorls 5, spirally lirate by a few 

 thread-like I'idges. of which two are visible on the upi)er Avliorls, crossed 

 by e(]ually fine radiating threads which divide the surface into s(iuiire 

 areola'; suture linear ; aperture circular ; lip continuous. Alt. 1.5, lat. 

 1.5 mm. [G.] 



Oligocene of Jamaica, Vendryes (G.up])y, 2290). No. 107092, U.S.N.:\1. 



? DENTALIUM HAITENSE, Gabb. 

 I), haitcnsr, (iABH, (ieol. Santo Doniiugo, 1873, j). 244. 

 Oligocene of Jamaica, \cndryes ((nippy, 2278). No. 107080. IT.S.N.M. 

 Two very slender specimens appear to belong to this species. [G.j 



