Diam. 97, altit, 25 mill. — Rat. antfr, — 5 : 7. — Insula 
Mindoro. (Cuming.) 
Variat spira magis minusve elevata, fasciis viridibus solitariis 
vel anfractum ultimum fere omnino tegentibus. 
155. Helix ornatella (Microcystes) Beck p. 2. — H. realis 
MIf. Ant. p. 35. — T. imperforata, globoso-depressa, striata, tenui, 
nitida, pellucente, griseo-straminea, flammis et fasciis 2 rufis or- 
nata: sutura levi: anfr. 4'/, planiusculis, ultimo ad peripheriam 
angulato; apertura rotundato-lunata: perist. simplice, acuto, mar- 
&ine columellari vix reflexiusculo. 
Diam. 11*/. altit, 7 mill. — Ins. Opara. (Beck.) 
156. Helix Pan Brod. Proc. zool. soc. 1841. p. 23. — T. 
imperforata. conoideo-globosa, oblique striata, epidermide hydro- 
phana ubique obducta, albida vel fusca, zonis variis fulvis et 
nigricantibus ornata: spira elata: anfr. 5 planiusculis; columella 
subrecte descendente, albida, dilatata: apertura lunato-ovali, intus 
lactea: perist. anguste reflexo, intus brunneo vel albido, 
Diam. 53, altit, 41 mill. — Rat. anfr. — 6'/, : 11. — Mara- 
bajos insul:e Bohol. (Cuming.) 
157. Helix Panayensis (Carocolla) Brod, — T. imper- 
forata, depressa, orbiculari, carinata, crassiuscula. superne griseo- 
fusca, minutissime granulata, basi radiatim striata, nitidissima, 
olivacea: spira depresso-conoidea: anfr. 6 planulatis, ultimo non 
deflexo; apertura angulato-lunari, intus albida: perist. superne 
simplice, basi incrassato, ad columellam expansiusculo. 
Diam. 45, alti. 22 mill — Rat. anfr. — 5: 6. — Insula 
Panay. (Cuming.) 
Var. (Cagayan ins. Luzon.) Spira elatiore, anfractibus ultimis 
tumidis, superne saturate rufa, basi nigricans, deorsum pallescens. 
158. Helix parmula (Caroc.) Brod. Proc. zool. soc, 1841. 
p. 38. — T. umbilicata, depressissima, discoidea, carinata, tenui, 
oblique striata, pallide fulva, fasciis angustis rufis circumdata; 
spira vix elata: anfr. 4'/,—5 planis, ultimo ad aperturam rugoso 
et angulatim deflexo; carina acutissima, alba: umbilico mediocri, 
pervio: apertura horizontali, lanceolata: perist. simplice. marginibus 
junctis, supero expanso, basali late reflexo. 
Diam. 43, altit. 13 mill, — Rat. anfr, — 5 : 7. — Ins. Negros. 
Var. minor: diam, 34, altit, 10 mill. — Ins. Zcbu. (Cuming.) 
Descriptio Broderipiana speciei non prorsus convenit, 
159. Helix pennsylvanica Green Bost. journ. nat. hist. 
I. t. 16. — H. clausa Say Phil. journ, Hl. 154? Am. Conch. t. 37. 
f. 1* — Tridopsis thyroidus var. edentula: Beck p. 23? — T. ob- 
tecte perforata, subglobosa, tenui, pellucida, luteo-cornea, subti- 
