HELIX IIKMITROCHUS. 2.~> 



elevated, conical, apex minute. sub-ol)tuse ; whorls 5 to 5'., convex, 

 the last deflexed anteriorly: apcrtuiv rounded-lunate, oblique ; 

 white or rosy within and showing- tlu- bands when there are any; 

 peristome labiate witliin, straight, not expanded except on the ba.-o- 

 columellar margin, where ii is reflexed and adnate above tlie um- 

 bilicus, with a callus plate within, which is generally truncate at 

 base in adult specimens ; colnmella and parietal wall crimson. 

 Alt. 17, diam. 16 mill. 



Florida 7vV//x <UH! flu' lialnnna*. 



H. variant MKNKK, (Cat. Mafsb,\\ 5)teste PFI:., M<t(>(/r<ij>lii<i i. p. 

 23&. Conchyl. Cab. p. 221, t. 109, f. 105. W. G. BINNEY, Terr. 

 Moll U. S. iv, p. 51, t. 78,' f. 22 ; L. and Fr. W. *S7/. i. p. 184. H. 

 carmcolorPFR. Symbolic i. p. 37. DESII. in Fi:i:., 7//V. i, p. 2().">, t. 

 2!' A, f. 14-17. RI:I:YI:, Condi, !<<>, i. f. 28:). H. #n1nn<'ri*y>\n\\\- 

 KI.S r,-oc. ]><>*t. Soc. N. H. 1844, p. 187. PFK. Mnmnjt'. iii, p. 1*3.- 

 H.rhodocheila BINNKY, T< rr. MU. i. H. poly-limn liiNM.v. T>rr. 

 Moll, ii, t. 40, 47. Hemitrochus hcemastomw SWAINS. M<iln<-<>l., p. 

 165, f. 151. Hemitrochus varians W. G. l>i.\x. Mninm/ Am. L. Sh. 

 p. 358. f. 389. 



As in most species of Hemitrochus, the coloration is extremelv 

 vai'iable. Tlie species is abundant on the Florida Keys, and on 

 New Providence, Cnagua, Crooked Id. etc., of the Bahamas. Pf'rif- 

 fer says also, "Porto Kico ; " but this is probably erroneous. 



H. MILLERI Pfeiffer. PI. 32, figs. 39, 40. 



This form belongs to the group of species immediately allied to 

 H. varians, H. irallopavonis, etc. 



Shell almost covered-perfbrate, depreased-conoidal, rather solid, 

 opaque, white, marked with various arran^emcni.- of spiral bands 

 and oblique streak- of varying shades of chesanut-brown ; sometime- 

 all brown except a white peripheral girdle ; but the most attractive 

 style of painting is shown by -|ecini.-ns of a light yellowish tint, of 

 chestnut, obliquely streaked all over with deep chestnut, and with 

 or without black or white peripheral fa.-cia. The spire is geiierallv 

 less elevated than in H. varians, and about ih- same as in II. gallo- 

 pavonis which is a smaller, thinner species. Whorls about "> : 

 apex obtuse, red or corneous. Surface densely, finely Bub-COStulate 

 striate, the Striae deeper, more regular than in II. varian- : hndv- 

 whorl descending anteriorlv ; aperture rounde<l lunar, oblique; 

 peristome in fully adult individuals labiate within, the outer and 

 basal margin- expanded -lightly ; columellai margin reflexed over, 



