BY THE REV. J. E. TENISON-WOODS. 
lOil 
ill China, and might very well range into the Malay Peninsula, 
hitherto so little explored. Von Moll, Jour, As. Soc. Beng, LY. 
1886, p. 303. 
Perak. 
H. swETTENHAMi, De Morgan, Le Naturaliste, VII. 1885, 
p. 68 } O. von Mollendorflf, Jour. As. Soc. Beng. LV. 1886, 
p. 304, who says the species may be a Trochomorpha or a 
Plectotropis. He makes the same observation with regard to the 
three following species ; — 
H. THiEROTi, De Morgan, l.c. 
Gunong-Chura, north of Ipoli, Kinta Valley, • 
H. HARDOUiNi, De Morgan, l.c. 
Valley of the Kinta, between Lahat and Ipoli. 
H. LAHATENSis, De Morgan, l.c. 
Same locality, 
H. ANTiQUA, Ad. and Pv,eeve, Voy. Samarang, Moll. p. 61, 
pi. 16, fig. 1 ; Reeve, Conch. Icon. No. 402, pi. 77 \ Chemn. 2nd 
edit. Helix No. 949, pi. 144, figs. 14-15 \ Pfr. Mon, Hel. HI. 
p. 172. 
Unsang, Borneo. 
Subsection 2, Perforati. 
II. EUCHROES, Pfr. Malak. Bl. 1854, p. 57 ; Reeve, Conch. 
Icon. No. 1346, pi. 192; Pfr. Novit. Conch. I, p. 2, No. 3, pi. 1, 
figs. 7-8; (Geotroclius), Pfr. Vers. p. \i^=Acavus euchroiis 
{Geotrochus), H. and A. Adams, Gen. II. p, 196 = Relix euchro'es, 
Pfr. Mon. Hel. IV. p. 256. 
Indian Archipelago. 
H. LENTA, Pfr.= /7. pihus, Pfr. Mon. Hel. I. p. 324 ; var. 
Chemn, new edit. Helix I. p, 157, pi. 40, fig. 5 =11. lenta, Pfr. 
Malak. Bl. 1854, p. 57 ; {Geotrochus), Pfr. Vers. p. 145 ; Mon. 
Hel. IV. p. 257 = Acavus lenlas {Geotrochus), 11. and A. Adams, 
Gen. II. p. 196, 
Moluccas. 
