GASTROPODA (pULMONATA). 
Moll. 65 
plaits inside the shell at two or three spots in the seventh and eighth 
whorl ; these are re-absorbed in full-grown specimens, but others similar 
are formed at one or two spots somewhat behind the aperture. Fischer, 
J. de Conch, xxv. pp. 263-267. 
Cochlostyla. C. Semper admits this genus in a rather wide extent, 
comprising within it the subgenera or groups Corasia^ Callicochlias, 
Cochl. glabosce, C. Jiypomelcenoi, C. cinerecB (type, cryptica, Brod.), Axina, 
Helicostyla, Orustia, Cochl. sphccricce^ CochlodryaSf Orthostylus, Cochl. 
elongates, Phengus, Eudoxus, Canistrum, Prochilus, Chrysallis, and Phocni- 
cohius', ho enumerates 211 species living on the Philippine Islands. Reis. 
Arch. Phil, Land Moll. pt. 4, pp. 160-224. 
Cochlostyla (^Corasia) magtanensis and Umansauensis, spp. nn.. Semper, 
1. c. pp. 170 & 171, pi. X. fig. 11, pi. ix. fig. 6, Magtan Island, near Zebu, 
and Limansaua Island, between Leyte and Mindanao. 
Cochlostyla (^Callicochlias') samarensis, sp. n., id. 1. c. p. 119, pi. x. 
figs. 6 & 9, Samar. 
Cochlostyla (sect, glohoscd) livido-cincta, eruhescens, and pudihunda, 
spp. nn., id. 1. c. pp. 182 & 183, pi. ix. figs. 8 & 9, Luzon. 
Cochlostyla (sect, hypomelccnoc) sphccrica, var. n. nana, Leyte, and C 
dataensis (Semper, 1866), North Luzon, id. 1. c. pp. 185 & 186, the latter 
pi. viii. fig. 8. 
Cochlostyla (sect, elongates) elegans, new name for Bidimus signijorensis 
(Pfr.), preoccupied in this genus; id. 1. c. p. 210. C. turris, sp. n., 
id. 1. c. p. 210, pi. ix. fig. 3, Luzon. 
Cochlostyla {Phengus) cincinniformis (Sow.) and virens (Pfr.), very 
variable, id. 1. c. p. 211. 
Cochlostyla (^Eudoxus) smaragdina (Sow.), variable in colour and form ; 
id. 1. c. pp. 213-216. C. straminea, Luzon, paradoxa and oviformis, Min- 
danao, spp. nn., id. 1. c. pp. 216-218, pi. viii. fig. 10, pi. ix. fig. 6, pi. x. fig. 6. 
Cochlostyla [Prochilus) nigro-cincta, new name for Bidimus pan (Pfr.), 
pre-occupiod in this genus ; id. 1. c. p. 221. C. sylvanoides, sp. n., id. 1. c. 
p. 222, pi. X. fig. 4, Mindoro. 
Cochlostyla ([Chrysallis) antonii, sp. n., id. 1. c. p. 223, Mindoro. 
Cochlostyla (sect, cinerecd) panaensis, Panao, near Surigao, Mindanao, and 
cineracea, Mindanao, spp. nn., id. 1. c. pp. 189 & 190, the latter pi. ix. fig. 1. 
Cochlostyla {Axina) pfeifferi, new name for Helix cumingi (Pfr.), pre- 
occupied in this genus ; id. 1. c. p. 191. 
Cochlostyla (Helicostyla) montana, sp. n., id. 1. c. p. 194, pi. ix. fig. 4, 
Luzon. 
Cochlostyla (Orthostylus) grandis (Pfr.), very variable inform ; id. 1. c. 
p. 240. C. supra-hadia, nux, and jlammula, spp. nn., id. 1. c. pp. 201, 204, 
& 206, pi. ix. fig. 7, pi. X. fig. 2, North-east part of Luzon. 
Radula of some Philippine species of Cochlostyla, Chlorcca, and Dor- 
casia, figured ; id. 1. c. pi. xviii. 
\^Amphidromus~\ Bulimu^ Icevus (Miill.), from eastern part of Ceram ; 
Martens, MB. Ak. Berl. 1877, p. 279. 
Amphidromus theohaldianus, Bs., figured ; W. Theobald, J. A. S. B. xlv. 
pt. 2, pi. xiv. fig. 8. 
1877 . [vOL. XIV.] B 13 
