43 



May 13, 1845. 



William Yarrell, Esq., Vice-President, in the Chair. 



A skin of a Boa coTistrictor, fifteen feet in length, presented to the 

 Society by Mr. Pontet, jun., was exhibited to the Meeting. 



" Descriptions of new species of Land Shells, from the coUection 

 of Hugh Cuming, Esq.," by Dr. Louis Pfeiffer : — 



1. Helix GRANDIS, Pfr. Hel. testd imperforatd, glohoso-turbinatd, 

 solidd, ponderosd, striatd, nigricanti-rufd, epidermide griseo- 

 fuscescente fasciatim obductd ; spira conicd, apice pallidd ; an- 

 fractibus 6 vix convexiusculis, ultimo spird breviore, basi inflato, 

 fortius striato ; columelld verticali, brevi, subtortd ; aperturd late 



lunari, intus margaritaced ; peristomate nigricante, late expanso, 

 margine basali incrassato, reflexo, cum columellari valde dilatato, 

 albido ungulum obtusum formante. 



Diam. 68; alt. 58 mill. 



Found at Bangui, province of North Ilocos, island of Luzon, by 

 H. Cuming, Esq. 



2. Helix Gmeliniana, Pfr. Hel. testd imperforatd, glohoso- 

 depressd, soliduld, irregulariter rugoso-malleatd, carinatd, nitidd, 

 pallide viridi, ad suturaiu et infra carinam ulbo-cingulatd ; spird 

 subelevatd, apice obtusd, albidd ; anfractibus 4į vix convexįusculis, 

 sensim accrescentibus, ultimo non descendente, basi planiusculd ; 

 apertura angulat o -lunari ; peristomate subincrassato, margine su- 

 pero breviter expanso, antrorsum arcuato, basali reflexo, columeU 

 lari declivi, dilatato, albo-culloso. 



Diam. 23; alt. 13 mill. 



Found at Bayambong, island of Luzon, by H. Cuming, Esq. 



3. Helix Linn^ana, Pfr. Hel. testd umbilicatd, depressd, utrin- 

 que convexiusculd , acute carinatd, pallide fulvd, superne rugoso- 

 malleatd, basi minute et obliąue rugulosd ; anfractibus 5\ lente ac- 

 crescentibus, planulatis, ultimo basi subinflato, antice vix descen- 

 dente ; umbilico majusculo, cylindrico ; aperturd angulato-lunari, 

 ad carinam canaliculatd; peristomate incrassato, carneo, margini- 

 bus callo junctis, supero brevi, expanso, basali arcuato, reflexo, 

 columellari breviter descendente, subdilatatd. 



Diam. 62; alt. 28 mill. 



Locality unknown. Mus. Cuming. 



4. Helix Chemnitziana, Pfr. Hel. testd imperforatd, depressd, 

 solidd, superne radiatim plicato-malleatd, undiąue granulosd, sub 

 epidermide oUvaceo-rufd, acute carinatd; spird subelevatd, obtusd; 



No. CXLV1I. PROCEEDIVGS OF THE ZoOLOGICAL SoCIETY. 



