Zoological Society, 467 



bus quatuor, raptim crescentibus, suprh infrhque rotundatis, mar- 

 gine carinato, acuta, prope suturam marginemque coloribus articu- 

 latis ; aperturd inagnd, orblculari, peritreynate reflexo, albo, in- 

 crassato, prope ultimum anf factum subinterrupto, superne produc- 

 tiore, minim'e reflexo ; umbilico mediocri, profunda . Long. 0"9 ; 

 lat. I'l poll. Operculo coriieo, multispirali. 

 Hab. supra foliis Palmarum apud Catbalongau Insulae Laman 

 Philippinarum. 



An elegant species, remarkable for the sharpness of its edge (in 

 which it resembles aCarocoUa), as well as for the beautiful arrange- 

 ment of the colouring. 



Cyclostoma Luzonicum. 



Icon. Sowerby, Species Conchyliorum, Pars 2'^^ Cyclostoma, f. 133. 



Cycl. testd suborbiculari, albidd, castaneo-variegatd, spird depressius- 

 culd, obtusd ; anfractibus quatuor ad quinque, rotundatis, concinne 

 spiraliter striatis, fascid albidd infril suturam fusco-articulatd ; 

 suturd profundd ; aperturd circulari, peritremate crasso, reflexo ; 

 umbilico maximo. Long. 0*7 ; lat. TS poll. Operculum cor- 

 neum, tenue, anfractuum marginibus lamellosis. 

 The first specimens of ^this species were brought from Lu9on by 

 J. K. Smith, Esq. Mr. Cuming has collected the following varie- 

 ties, viz : — 



fl. Shell variegated, with a brown and white articulated band close 

 to the front of the suture, median band variously mottled. Found 

 under decayed leaves on Mount Isarog in the province of South 

 Camarinas, island of Lu^on, 



b. Shell variegated, upper or posterior part of the two last volu- 

 tions with four or five rather prominent elevated striee. Found under 

 decayed leaves in the island of Masbate. 



c. Upper part of the volutions of a pale colour, with a brown and 

 white articulated band next to the suture ; median line articulated 

 with brown and white, in front of which the shell is dark brown, 

 becoming paler toward the umbilicus. Found under decayed leaves 

 at St. Jaun in the province of Cagayan, island of Lu^on. 



d. Shell dark chestnut-brown, articulated with white in front of 

 the suture ; median line brown and white mottled ; umbilicus and 

 l^eritreme white. Found under decayed wood at Calauang in the 

 province of Laguna, island of Lu^on. 



e. Shell brownish, with an articulated band next to the suture, 

 and two median bands, the posterior of which is white and the an- 

 terior dark brown ; spire more elevated than in the former varieties. 

 Found in earth under decayed leaves at Sinait in the province of 

 South Ilocos, island of Lu^on. 



/. Shell rather smaller and with a more elevated spire than in. 

 varieties a. to d, variously mottled. Found under decayed leaves in 

 the woods at Dolores in the province of Pampanga, island of 

 Lu^on. 



g. Shell rather paler coloured than most of the varieties, but ha- 



