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Show 1903.] MOLLUSCA OF THE " SKEAT EXPEDITION." 197 A single specimen " from rotten wood." Recalling in shape R. perakensis Smith, the present species is larger and stouter, and the tube slants obliquely upwards instead of descending; as compared with R. lorraini Pfr., which also has an ascending tube, the form is not so cylindrical, the whorls are flatter, and the size is much greater. R haphaulus perakensts Smith, var. jalorensis, n. var. (Plate XX. figs. 9, 10.) Shell very similar to R. perakensis Smith, but a little thinner and paler in colour, and the tube is bent along the outer lip, being attached to the lip, and not diverted behind it as in typical R. perakensis. The tube is broad and short. This form may prove to be a distinct species, but bearing in mind the great variation shown by Col. Godwin-Austen (Moll. India, vol. i. p. 202, pi. xlvii.) to exist in R. blanfordi Benson, and also considering how little we know of the group, most forms having been described from very few specimens, I have thought it wiser to give only a varietal name. Hab. Bukit Bisar, on the borders of Jalor, altitude 2000 feet. A single specimen. S chistoloma anostoma (Benson). Cyclostoma anostoma Benson, Ann. Nat. Hist. ser. 6, vol. x. p. 269. Hab. Belimbing, Ligeh. S chistoloma sectilabrum (Gould). Cyclostoma sectilabrum Gould, Boston Journ. Nat. Hist. vol. iv. p. 459, pi. xxiv. fig. 10. Hab. Ulu Selama, Perak. P upina lowi De Morgan. Pupina lowi De Morgan, Bull. Soc. Zool. France, vol. x. 1885, p. 414, pi. vii. fig. 3 (louri on plate). Hab. Gunong Inas, Perak. P upina aureola Stoliczka. Pupina aureola Stoliczka, J. As. Soc. Bengal, vol. xli. pt. 2, p. 267, pi. x. figs. 11, 12. Hab. Jalor, a single specimen. Agrees well with Stoliczka's figure 12, but his figure 11 looks as if it might belong to a different species. A lyc^eus thieroti De Morgan. Alycceus thieroti De Morgan, Bull. Soc. Zool. France, vol. x. 1885, p. 403, pi. viii. fig. 6 ; MoellendorfF, Proc. Zool. Soc. 1891, p. 342. Hab. Belimbing, Ligeh, a single specimen. |
