CYCLOPIIORIDyE DIPLOMMATIN ACEA. 
163 
C. malaijanus (r>enf?.) and horncensis (Metcalfe), var. from Pulo Penang, 
de.scribed by F. Stoliczka, J. A. S. B. xli. pp. 262-264, pi. 10. figs. 1-6 and 6. 
C, charpcntieri^ var. nicoharicn^ Morcb, J. de Conch, xx. p. 816. — C. cro- 
cMm (Born, as Trochns), willi var. ft. lurho (Chemn,, Sow.), and very near 
nicohnricus (Bohn) = ^roe/<o?VZc.s (Yoldi), Nicobar Islands ; id. Vid. Medd. 1872, 
pp. 22 & 23, and 1. c. pp. 316 & 317. 
C. helluSf sp. n.. Martens, Mai. Blatt. xx. p. 169, Northern Celebes. 
C. ( Craspedotropis) gnlathece, sp. n., Morch, J. de Conch, xx. p. 316, and 
Vid. Medd. xi. p. 23, Nicobar Islands. 
Leptopoma immaculatum (Chemn.), very near L. fragile (Sow.), id. J. de 
Conch. XX. p. 339. 
PUPINEA. 
Megahmaatoma sectilahrum (Gould), from Pulo Penang; animal and oper- 
culum described by Stoliczka, J. A. S. B. xli. p. 268. 
Tomocgclus, g. n., separated from Megalomastoma by the peristome being 
interrupted and notched above. Type Cyclostoma simulacrum (Morelet). — 
T. gealii, sp. n., Crosse & Fischer, J. de Conch, xx. pp. 76 & 77, Chiapas, 
Mexico. 
Lagochilus trochoides and striolatus, spp. nn., Stoliczka, 1. c. 
pp. 270 & 271. In 5 of the 6 known species, a long glandular 
slit occurs at the upper end of the foot ; and from its presence 
the incision in the apertural margin results. The author re- 
marks that this genus, together with Dermatoceraj has evidently 
the same systematic position among the Cyclosto?nacea as the 
Zoniiid(S among the Helicacea, and proposes therefore a new 
family, LagochilidaOj j). 269. 
L. tomotrema (Bens.), Hanley & Theobald, Conch. Iiid. pi. 6. fig. 8, Khasia 
hills. 
Raphaulus pachysiphorij sp. n., Theobald & Stoliczka, J. A. S. B. xli. part 2, 
p.329, pi. 11. fig. 1, Moulmein. 
Cataulus nictnerij sp. n., G. & II. Nevill, J. A. S. B. xxxix. (1871) pt. 2, p. 7, 
pi. 1. fig. 7, Ceylon. 
Jlcterocyclus, g. n. Allied to Cyclophorus and PlerocycluSj but the shell tur- 
reted, the last whorl becoming free; operculum cartilagino-corneous, with 
central nucleus and many whorls, the outer edge of which is raised. JI. 
j)crroquini, sp. n., Crosse, J. de Conch, xx. pp. 166 & 366, pi. 16. fig. 6, New 
Caledonia. 
Pupmopsis morrisonia, sp. n., H. Adams, P. Z. S. 1872, p. 13, pi. 3. fig. 21, 
Mount Morrison, Formosa. 
Papina aureola, sp. n., Stoliczka, J. A. S. B. xli. p. 267, pi. 10. figs. 11 & 12, 
Pulo Penang. 
Papina adamsiana (Crosse, 1871) fully described by Crosse, J. de Conch. 
XX. p. 60, Vanua Levu, Viti Islands : pillar without notch ; it belongs there- 
fore to Ilargravesia (II. Ad.), which is admitted only as a section of Pupina. 
Diplommatinacea. 
Diplommalina angulaia and richthofeni, spp. nn., Theobald & Stoliczka, 
