126 



A paper was also read containing " Descriptions of thirty-six new 

 species of HeUx, belonging to the coUectioa of H. Cuming, Esq.," 

 by Dr. L. PfeifFer :— 



1. Helix Incei, Pfr. Hel. testd umhilicatd, depresso-globosd, so- 

 liduld, striatd, sub epidermide j)allide fulvd albd , fasciis angustis 

 castaneis cingulatd ; spird elevatd, acutiiiscuhi ; anfractibus 7 vix 

 convexiusciilis , ultimo circa vnibilicitm mediocrem, pervhim sub- 

 compresso ; columelid arcuatd; aperturd perobligud, lunato-ovali ; 

 peristomate albo, ienui, intus sublabiato, margine dejctro vix ex- 

 panso, basali reJlexo, columellari in laminam triangularem dilatatd, 

 umbiUcum setnitegente. 



Diam. 38. alt. 28 mill. 



ft. Minor, epidermide castanea, fasciis indistinctis, anfractu ultimo 



basi flavo. 

 Diam. 32, alt. 21 miil. 

 From North Australia, coUected by Lieut. Ince, R.N. 



2. Helix .Tonasi, Pfr. Hel. testd imperforatd , globoso-conoided, 

 soliditisculd, lavigatd, non nitens, pallidr viresccns ; spird obtuse 

 conicd ; anfractibus 5 convexiusculis, ultimo basi subplanato ; colu- 

 melid albd, obligud ; aperturd lunari ; peristomate breviter incras- 

 sato, margine columellari subdilatato, adpresso. 



Diam. 28, alt. 24 mill. 



/5. Tenuior, apice rubicundo, anfractu ultimo basi 7iigricante, fascia 



angusta, nigra ad suturam : H. dimera, Jonas. 

 From the Philippine Islands, Mindoro. 



3. Helix Bdschi, Pfr. Hel, testd imperforatd, conico-globosd, 

 soliditisculd, tenuiter striatd, parhn nitiduld, citrind; spird conoi- 

 ded, obtusiusculd ; anfractibus 5\ convcxiusculis, ultimo rotundato; 

 columelid subobliqud, strictd, dilatatd, albo-callosd ; aperturd 

 rotundato-lunari, intus nitidd, concolore ; peristomate temti, albo, 

 breviter expanso, margine basali cum columellari angulum formante, 



Diam. 23, alt. 23 mill. 

 From the island of Mindoro. 



4. Helix pelodes, Pfr. Hel. testd umbilicatd, subglobosd, tenui- 

 usculd, striatd et 7ninute granulatd, rubello-fuscd ; spird brevi, 

 obtusiusculd ; anfractibus 6 convexiusculis, ultimo inflato, nntice 

 breviter descendente ; umbilico mediocri, pervio ; aperturd lunato- 

 orbiculari, intus margaritaced ; peristomate expanso, saturate car- 

 neo, margine columellari perdilatato, fornicatim reflexo. 



Diam. 31, alt. 20 mill. 



From the north coast of Australia : found under decayed leaves 

 (Lieut. Ince, R.N.). 



5. Helix Hartwegi, Pfr. Hel. testd umbilicatd, depressu, cari- 

 natd, soliduld, striatuld, fuscd ; spird vix elevatd ; anfractibus 5 

 planulatis, ultimo basi paulh convexiore, untice non descendente ; 

 umbilico angusto, pervio ; aperturd perobligud, irregulariter sub- 

 guadratd ; peristomate albo, incrassato, breviter reflexo, margini- 



