CYC LOTUS. 



Plate II. 



Species C. (Pig. a, h, ^lus. Cuming.) 



Cyclotus jugosus. f>/p/. tesitd aperte luiibHicatd, de- 

 pressd, siih fpidi^nnhlc fnlvd alhd, aiifractlhiis qnatuor 

 ad qainque, snhaiujunlis, concentrice floso-liralis, ru- 

 diler Hodoso-corniyatis, rtigis infra ohliqne. continuh. 



TiiK RUGGED Cyclotus. Shell openly luubilicated, de- 

 pressed, white, beneath a fulvous epidermis, whorls 

 four to five, rather narrow, concentrically thread- 

 ridged, rudely nodosely wrinkled, wrinkles obliquely 

 contiuuous beneath. 



Cyclostoma jmjosum, C. B. Adams, Contr. Conch, n. 8. 

 p. 14.3. 

 Ci/dotns Jiii/os/is, Pfeiffer. 



llnli. .lamaica. 



A bright fulvous shell, peculiarly strongly nodosely 

 wrinkled, the wrinkles fidling at the base into oblique fur- 

 rows. 



Species 7. (Pig. a, h, ^lus. Cuming.) 



Cyci.otus P.\llescens. Ci/cl. iesld aiigidale excavato- 

 nnibUicatd, suhdepressd, solidiiiscuJd, nsliduto-fidvd, 

 versus apicem roMnd, arifractibiis quinque, prope sii- 

 iitram planaih, ad basin anr/ulatis, concentric? filoso- 

 striatis, oblique vnlide rude corrugntis. 



The pale Cyclotus. Shell angularly excavately undji- 

 licated, moderately de])ressed, rathei- solid, burnt-ful- 

 vous, tinged with rose towards the apex, whorls 

 five, flattened next the sutiu'c. angled at the base, 

 concentrically thread-striated, obliquely strongly 

 rudely wrinkled. 



Cyclosloma pallescens, C. B. Adams, Contr. Conch, n. 8. 

 p. 143. 



Hub. Jamaica. 



Of a peculiar burnt-fulvous colour, tinged with rose at 

 the apex. Phe sculpture consists mainly of coarse oblique 

 wrinkles. 



Species 8. (Fig. a, b, Mus. Cuming.) 



Cyclotus IXCOMTTUS. Ci/cL tesid awpliler aperte mnbi- 

 licatd, depre^sd, suhdincoided. sub tpidermide fnscd 

 corned decidnd alba, ad periplieriiiin salnrntH fasciatd, 

 anfractibus runcentrice rnde striatic, nlliino snperne ad 

 apertnrain dilaiato-ulato. 



The hough Cyclotus. Shell largely openly umlnli- 

 cated, depressed, somewhat discoid, white, beneath a 



deciduous brown horny epidermis, darkly banded at 



the periphery, whorls concentrically rudely striated, 



the last dilately winged at the upper part of the 



aperture. 

 Cyclostoma inconiptum, Sowei'by, Tlies. Conch, p. IGO. pi. 



31. f. 29S, 299. 



Pterocyclos incomptus, Pfeiifer. 



Cyclotus incomptus, Pfeiffer. 

 Hab. Brazil. 



Tins fine species possesses a modification of the sinuated 

 wing-like development of Pterocyclos. 



Species 9. (Fig. a, b, Mus. Cuming.) 



Cyclotus Dunkeri. Cycl. testa subprofunde mnbili- 

 Cfitd, conico-depressd, fulvesceute-fiiscd, infra perijjjie- 

 riam suturati; late fasciatd, anfrnctibus ad suturas cou- 

 cavo-impressis, striis elevatis undique dense concentrice 

 fnniculatis. 



Dunker's Cyclotus. Shell rather deeply umbilicated, 

 conically depressed, fulvous-brown, broadly dark- 

 banded below the periphery, whorls concavely im- 

 pressed at the sutures, concentrically densely corded 

 throughout with raised striae. 



Pfeiffer, Malak. Blatt. 185G, p. 25fi. 



Hab. New Granada. 



Abcautifidly-scidpturcd shell, of a bright fulvous-browu 

 colour, rather broadly dark-liaiuled below the periphery. 



Species 10. (Pig. a, b, Mus. Cnniing.) 



Cyclotus Inca. Cycl. testa snbprofundi umbilicatd, 

 snbdepressd, viride olivaceo-virente, ad perip/ieriain 

 fnhescente, deinde saturatd, anfractibus ad suturas 

 impresso-concavis, undique conceutrice floso-striatis. 



The Inca Cyclotus. Shell rather deeply umbilicated, 

 moderately depressed, bright olive-gi'een, yellow at 

 the periphery, then darker, whorls impressly concave 

 at the siitures, concentrically thread-striated through- 

 out. 



Cyclostoma Inca, D'Orbigny, Yoy. Ame'r. !Mcrid. p. oGl. 

 pi. Ifi. f. 21 to 23. 

 Cyclotus Inca, Gray. 



Hub. Bolivia; La Guayra. 



Cliiefiy recognizable by its bright olive-green banded 

 colouring. 



Ausust, 1S63. 



