306 ANTILLEAN FOSSILS— GUPPY AND BALL. vol. xix. 



CLATHURELLA VENDRYESIANA, Dall, new species. 

 (Plate XXVII, flg. 1.) 



Acuminate, fusiformly obloiig-tunited, closely and regularly cancel- 

 late; Longitudinal sculpture boldest on upper whorls, except the first 

 two, which are <iuite smooth ; whorls 8, the last forming about one- 

 half; upper angle of Avhorls forming a slight keel, upon Avhich the 

 longitudinal stritc become sinuate; aperture oblong, narrow; canal and 

 sinus broad and deep; lip much thickened. Length 14 mm., breadth 

 5 mm, [G.J 



Ohgocene of Jamaica, Veudryes ((iui)py, 2284), No, 10708(5, T.S.IST.M. 

 This species was sent by 3Ir. (}upi)y under the manuscri^^t namey'or- 

 mosa, which is preoccu])ied m the genus Clatlmrella by Jeffreys, 18813. 



CYTHARA GIBBA, Guppy, new species. 

 (Plate XXVII, lig. (•.) 



Much resembling C. biconica, Reeve, but smaller and proi)orti()nately 

 shorter. Alt., 3,8 mm, 



Oligocene of Jamaica, Vendrycs (Guppy, 2274). No. 107143-4, 

 U.S.N.M. 



CYTHARA GUPPYI, Dall, new species. 

 (Plate XXVII, lig.5.) 



This ditiers from ('. hiconim, Keeve, by its less angular shoulder, its 

 lower, more rounded, and delicate ribs, and smaller nucleus. Alt. 0.5 

 mm. 



Oligocene of Jamaica, Veudryes (Guppy, 2275). No, 107145, U.S,N.M. 

 This was sent under the preoccupied manuscript specific name of </ih- 

 berosa, Gupi)y, for which I have substituted the above designation. 



CYTHARA MUCRONATA, Guppy, new species. 

 (Plate XXVII, lig.G.) 



Fusiformly oblong, acuminate, cancelhite, the longitudinal ridges 

 being usually but not always the stoutest; whorls 5, the two a])ical 

 ones large and smooth; suture marked by a prominent smooth, revolv- 

 ing ridge; last whorl more than (me-half the shell; ai)erture suboval 

 elongate; canal and sinus well developed ; lip thickened. Alt, 5.5 mm,, 

 lat. 2,5 mm. [G.J 



Oligocene of Jamaica, Ycndryes (Guppy, 2280). No. 107087, U,S,N,]M. 



CYTHARA OBTUSA, Guppy, new species. 

 (Plate XXVII, lig. 7.) 



Ovate-fusiform, longitudinally ribbed by costte which are sinuate on 

 the angle of the whorl and about the same width as their interstices, 

 which are crossed by fine lines; whorls about 7, somewhat convex and 



