388 Zoological Society, 



periphery, and a broad one beneath, where this variety is also orna- 

 mented with brownish white mottlings : peritreme white, with a sin- 

 gle white tooth within at the lower part. From Calauan. 



c. Pale brown, darker, and articulated with brownish white patches 

 in front of the suture ; a narrow brown band at the periphery, where 

 it is mottled with brownish white ; peritreme flesh-colour, with a 

 single white tooth within at the lower part. From Albay. 



d. Light brown, having a brown antesutural band, articulated with 

 brownish white, a brown band at the circumference and a broad 

 brown band beneath ; and brownish white mottlings spread over both 

 these last-mentioned bands ; peritreme as in the last. Found at Al- 

 bay. 



Helix concinna. Hel. testa oblong o-pyramidali, tenui, lavigatd, 

 epidermide fused albido-marmoratd indutd ; spine apice obtuso ; 

 anfractibus senis, planulatis ; suturd distinctd ; aperturd rotundato- 

 subtrapeziformi ; labio externo incrassato, tenuiter reflexo, fusco ; 

 columella alba, subincrassatd x antice subsinuatd. 

 Long. 1*3; lat. 075. 



Hab. Supra folia arborum ad Sanctam Jaun, provincial Cagayan 

 Insula? Lucon, Philippinarum. 



The ground colour of this very elegant little shell is of a dark 

 chestnut-brown, and this is covered all over, except a small portion 

 about the aperture, with an hydrophanous epidermis of various 

 shades of brown, beautifully marbled with white and brownish white. 

 Near the apex the shell is lighter coloured, but the apex itself is 

 darkish brown. 



Helix curta. Hel. testa subovatd, pyramidali, tenuiusculd, Icevi- 

 gatd, epidermide superne pallescente, subtus fused indutd ; spirce 

 apice obtuso ; anfractibus subsenis, rotundatiusculis ; suturd di- 

 stinctd ; aperturd sublunari, ad latus columella: sinuatd ; labio 

 externo reflexo, latiusculo, albo ; columella obliqud, lata, antice 

 oblique truncatd, alba. 

 Long. 1#; lat. 0*9 poll. 



Hab. Supra folia arborum apud Bauang, provincise Pangusinan 

 insula? Lucon, Philippinarum. 



The shell itself is of a pale yellow-brown colour, lighter at the 

 third volution, where it begins to put on a pale tint of chestnut- 

 brown, which becomes darker as it approaches the apex, which is 

 brown. 



Helix Meretrix. Hel. testa suborbieulari, rotundato-depressd, 

 crassiusculd, leevi, fulvescente, brunneo-varie-zonatd, albidoque 

 marmoratd ; spird brevi, obtusd ; anfractibus quinis, subrotundatis ; 

 peripherid rotundatd ; aperturd transversa, subauriformi ; peritre- 

 mate incrassato > continuo, reflexo, subsinuoso ; umbilico mediocri, 

 partim obtecto. 



Long. 0*65 ; lat. 1*4 poll. 



Hab. Supra truncos arborum apud Sual, provincial Pangusinan, 

 insula? Lucon, Philippinarum. 



Shell with a low, depressed spire, of a yellow-brown colour, with 



