NO. 1110. PROCEEDINGS OF THE NATIONAL MUSEUM. 325 



DENTALIUM GOULDII, Dall. 

 D. Gouldii, Dall, Bull. Mus. Comp. Zool., XVIII, p. 424, pi. xxvi, lig. 4, 1889. 



Receut in tlie Autilles (as D. hexagontim, Sowerby, not Gould), 12 

 to 150 fathoms. Fossil in the later Tertiaries of this region and in the 

 Nucnla beds (Eocene), Kaparima, Trinidad, Guppy (190). No. 107140, 

 IT.S.i^.M. Mr. Gnppy compares the fragments found with J), striatum, 

 Sowerby, of the English Eocene. 



CADULUS PARIANUS, Guppy, new species. 

 (Plate XXX, fig. 7.) 



Tube round, tapering, suddenly constricted near the broader end. 

 Lon. 3, diain. 0.75 mm. [G.] 



Ditrupa bed, Pointai)ier, Trinidad, Gupi^y (2277). No. 107155, 

 U.S.N.M. 



The name Ditrupa, which has been applied to this genus by Mr. 

 Guppy, is now generally used for an annelid. These shells, though 

 very similar to those of Ditrupa, are unquestionably molluscan and 

 belong to the genus Gaduhis of Philippi. It is stated by jMr. Guppy 

 that the nearest relative of this species is the C. dentalina of the 

 Jamaican Oligocene. 



LIMOPSIS SUBANGULARIS, Guppy, new species. 

 (Plate XXX, fig. 2.) 



Suborbicular, equivalve, subequilateral, closed ; radiately and concen- 

 trically striate, with a slight angle at the hinder margin of the almost 

 straight hinge line; radiating riblets regular, somewhat stronger on 

 the slopes, narrower than the interstices; concentric ribs low and 

 rounded, scarcely rising- upon the radiating- riblets; hinge teeth stout, 

 scarcely curved, about 3 before and 3 behind the small cartilage pit. 

 Height of valve, 6.75 mm. [G.J 



Ditrupa bed, Pointapier, Trinidad, Guppy (2117). No, 107152, 

 U.S.N. M. The specimens are very young, and perhaps have not fully 

 assumed their adult characteristics. 



ANOMIA UMBONATA, Guppy, new species. 

 (Plate XXX, fig. 6.) 



Angularly and rather irregularly suboval; minutely shagreened, 

 especially on the prominent umbonal region; umbo terminating in a 

 sharp point. Breadth, 6 mm. [G. | 



Shell bed. Ally Creek, Naparima, Trinidad, Guppy (2116). No. 

 107154, U.S.N.M. The imperfect state of the specimens precludes a 

 more complete description. 



