- l>i;\ M.I US, \\ I - I INDIES. 



or in large .-pi -cmn'ii- i'J, to 7, -carcely convex, except the last, which 

 IS M'lm \\hal carinate. Aperture ovate; peri.-tome acute, slightly 

 effuse. 



Alt. 2;"), breadth Id, length of aperture 10 mill. (Gj>j>y-) 



Siiruiiii (.I'nnif/r, Trinidad, on tree- (( Juppv). 



Biiliintis (utrcali/s Guri'Y, Ann. Mag. X. II. (o), xvii, 18GG, p. -I'.'. 

 Bi.n., Amcr. .lour, of Conch, iv, p. 184. Pi u., Monogr., p. 14*. 

 Jltilimuliis (tin-coins GlTl'Y, Anier. Jour. Conch, vi, p. ,">07 (exclu- 

 >i\e of V&rietieB fasciatus, it///><'/-j'<i-tt/s ami r(nrs<mi); .lour, of Conch. 

 vii, p. 21* (exclusive of same varietie.-); Jour, of Conch, i, p. 100 

 CI;I>--K, Journ.de Conchyl., 1870, p. 42 Bulimulus (Dri/m us) 

 tii/rrali/s SMITH, Journ. of Conch, viii, p. 241, pi. 8, f. G. 



D. RAWSONI fGuppy). PI. 12, fig. G. 



Shell narrowly perforate, oblong-conic, rather thin, glossy, milk 

 ir/ti/r, iritlt f//c d/x-.i- and a small area around the columella lt<ft\ 

 Growth stria' Jine and faint, decussated by minute engraved spiral 

 striaj. Spire conic, the apex rather obtuse, showing typical Drymteus 

 sculpture. AVhorls about G, slightly convex, the last subangular in 

 front in young, and slightly so in most adult individuals; tapering 

 below. 



Aperture slightly oblique, oblong, narrowed toward the ends and 

 acuminate above, white inside ; peristome thin, simple, the outer lip 

 slightly sinuous, basal lip a triile expanded, columella straight, ob- 

 liquely truncated below, the profile view showing a projecting angle 

 as in I), rinrcittiiuts ; margin rellexed above. 



Alt. 24, diam. 11, length of aperture 11-11-i- mill. 



Island of Tolinjn ( Ilawson). 



I'm/in, ulna Hurra/us \ar. rutrsoni Grri'Y, Amcr. Journ. ot Conch, 

 vi, 1*71, p. .'!".s, pi. 17, f. G /iiili'iuns (DrymcEUs) rmrsa/u's II. 

 AI>A.MS, P. /. S., 1S7.".. p. -Jos, pi. 2;;, f. L2. PFR., M< gr. viii, 



p. !.")! l!iiliniiiliis (J)r>/t//(f/is) rinrsa/ii 11. Ad., SM ITU, Journ. of 



Condi, viii, p. 242.- I>ri/nn< -us n/trsa/u's W. ('. UINM^, Ann. N. \ . 

 Acad. Sci. iii, p. 1 21 ( radula ). 



Milk white, with yellow apex and colmnellar >treak ; the aperture 

 ilecidetllv le~- ilian half the total length, shaped much as in D. rin- 

 i-i'iifi/tits except thai the peristome is not expanded. .Mr. Smith in- 

 cludes it in his Trinidad list, but I know of no record of its occur- 

 rence outside of Tobago. 



