32 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 73 



with or without a buff, greenish, or reddish spiral peripheral line; 

 there are often one or more faint bronzy spiral lines on the base. 

 Rarely there are one or more spiral lines on the upper part of the 

 last whorl; columella usually twisted, almost truncate in heavy 

 shells. 



Length 63, diameter 32 mm. ; length 53, diameter 27 mm. ; length 

 37, diameter 20 mm. 



Vaca group of the Upper Keys; all the Upper Keys from Upi^er 

 Matecumbe to and including Elliotts Key; mainland from Marco 

 south to Cape Sable ; south shore of the mainland. 



A widely distributed and variable form. Shells from the upper 

 end of Largo and the small keys near it are often small, solid, and 

 have more or less flattened whorls, while in others on these same 

 islands they are large and somewhat rounded. This latter form oc- 

 cupies Pumpkin Key exclusively, although roseatics is found on Key 

 Largo that is separated from it by only a narrow and very shallow 

 strait. Pilsbry includes it with his roseatus, but it seems to me to 

 be perfectly distinct and the two have a somewhat different distribu- 

 tion. Its spiral lines may occur on the periphery while those of 

 livingstoni do not. 



LIGUUS FASCIATUS ELEGANS Simpson 



Plate 2, fig. 2 



1920. Liguus fasciatus elegans Simpson, Proc. Biol. Soc. Washington, vol. 33, p. 

 124. 



Shell generally small to medium size, solid, conical, with mod- 

 erately rounded whorls, the second to the fifth being marked with 

 irregular brown axial stripes and blotches ; axial region a rich pink, 

 with two or more deeper colored lines on the columellar area ; general 

 surface flesh colored; there is a reddish spiral line around the 

 periphery and at the suture and sometimes one or more greenish ones 

 on the last whorl ; columella twisted or truncated. 



Length of type 40, diameter 22 mm. ; length of a large shell 58, 

 diameter 30 mm. 



A small key east of Whitewater Bay, where this and roseatus were 

 the only form of LiguiLs; small hammock on Long Pine Key, one 

 very large specimen; Paradise Key; Costello's hammock; Miami; 

 Arch Creek; Pinecrest. 



This form may be distinguished from lineolatus by the strigations 

 and blotches on the earlier whorls and it inhabits an entirely different 

 area from that subspecies, being strictly confined to the rocky ridge 

 of the lower mainland and the Pinecrest region. I collected Ligu-m 

 in the vicinity of Cabanas, Cuba, that very closely resemble this. 



