1.37 



columella itself is purplish black. Prom Piddig, in the province of 

 North Ilocos. 



/. Apex pale duU. red ; ground-colour pale lemon-yellow ; antesu- 

 tural band very narrow, dark green ; post- circumferential band very 

 broad, greenish gray, united in front to the blacldsh circumferential 

 band ; columella blackish, its circumference with a very narrow green 

 band. From Piddig. 



g. Apex grayish white ; ground-colour bright lemon-yellow ; ante- 

 sutural band narrow, dark green ; post-circumferential band grayish 

 green ; circumferential band nearly black ; columella crimson, its cir- 

 cumference green. 



h. Apex and ground-colour white ; bands as in g. ; columella black- 

 ish ; its immediate circumference black, around M'hich is a dull green 

 band ; the antesutural band in this variety is very narrow, and of a 

 dull colour, and two nearly black bands are distinctly seen within 

 the aperture. From Sinait. 



Helix fenestrata. Hel. testd subglobosd, crassiusculd, leevi, cas- 

 taneo-nigrd, epidermide fused albicante-bifasciatd ; anfractibus 

 quinque rotiindatis, ultimo maximo, posiice prope suturas fenestra- 

 tis {attritione epidermidis) ; aperturd subrotundd ; peritremate 

 lato, albo, rejlexo ; labia columellari lata, crasso, subplanulato. 

 Long. 1-0; lat. 0-85 poll. 

 Hab. supra foliis arborum ad montes Caravallo, provincise Cagayan, 

 insulae Luzon Philippinarum. 



There are two varieties of this pretty species, which in general 

 form resemble H. Iloconensis and H. annulata : they are 



a. Anterior intermediate band dark brown. 



b. Anterior intermediate band light brown. 



The next paper read was from Mr. G. B. Sowerby, Jun., and is 

 entitled " Descriptions of some new species of Mures, principally 

 from the collection of H. Cuming, Esq." 



MuREX OccA, Conch. lUustr. f. 45. Mur. testd clavafd, ventri- 

 cosd, fulvo-glaucescente ; spird mediocri ; caudd longissimd, rectd, 

 ad terminum subexpansd, subrecurvd ; anfractibus angulatis trans- 

 verse leviter sulcatis ; varicibus tribus, spinis dorsalibus tribus 

 brevibus falcatis, tribusque minutissimis alternantibus, deinde ad 

 caudam tribus ad quatuor suhrectis, interstitiis bituberculatis ; 

 aperturd ovatd, rotundatd, postice subangulatd ; labia crenulato, 

 dente unico magna lata marginali ; canali fere clauso. 



Long. 3 ; lat. extra varicibus, 1 poll. 



Hab. ad insulas Nicobaricas. 



The comparative smoothness of the whorls, and the short, curved 

 character of the dorsal spines, are sufficient to distinguish this from 

 other clavate species. 



MuREX Messorius, Conch. lUustr. f. 93. Mur. testd clavatd, 

 subventricosd,/ulvo-rubescente, grisea, rubra, fuscoque maculatd; 

 spird brevi ; caudd elangatd, rectd, angustd, minime recurvd; va- 



c 2 



