MOLLUSCA OF INDIA. 



351 



Altc^us commutatus, n. sp. (Plate CXLYIII. fig. 7.) 



Locality. Bhutan {ex Beclclome Collection, No. 293). 



Shell solid, globosely conoid, openly umbilicate ; sculpture rather 

 distant, fine costulation on the upper whorls, becoming mucli 

 stronger at the sutural tube, quite strong at its base ; colour dull 

 white ; spire moderately high, apex small ; suture impressed, the 

 eutural tube long and strongly formed ; whorls 4, well rounded ; 

 aperture circular, subangulate above, with 3 sharp folds on the 

 lower outer margin ; peristome double, thickened, with columellar 

 margin rounded stibvertically ; operculum white, shelly, multispiral. 



Size: maj. diam. 4*8 ; alt. axis 2-5 mm. 



This shell Colonel Beddome had named A. hurtii, but it is a 

 far larger, more solid conical shell with the peristome differently 

 creuulated, the operculum being similar. 



3. The Dafla Hills. 

 Long. 93° to 94°. 



AlyccBUS akhaensis, G.-A., n. ?p. 



barowliensis, Gr.-A., n. sp. 



burroiensis, G.-A., n. sp. 



burtii, G.-A. 



btcriii, var. yetayensis, G.-A. 

 {Cycloryx) costatus, n. sp. 



daflaensis, G.-A. 



daflaensis, var. subdigitatus. 

 {Cycloryx) dihingeims, G.-A., var. 



dUcrangensis, G.-A. 

 {Cycloryx) elegans, n. sp. 



gemma, n. sp. 

 {Cycloryx) graphiciis, W. Blf., var. 



macgregori, G.-A., n. sp. 



mundulus, G.-A. 



mutatiis, G.-A. 



ticglectus, G.-A. 



notatus, G.-A. 



pachitaensis, G.-A. 

 (Cyrloryx) paticicostat'us, n. sp. 



rotundatus, G.-A., b. sp. 



rugosus, G.-A. 



toruputuensis, G.-A., Nev. MS. 



(Bioryx) tirinda, Bs., var. dajlacnsis. 



PI. CXLI. figs. 1, 1 a, 1 b. 



PI. CXLI. fig. 4. 



PI. CXLI. figs. 6, 6 a. 



PI. CXLIV. figs. 8, 8 a. 



PI. CXLIX. fig. 7. 



PL CLIV. figs. 2, 2 a. 



PI. CXLV. figs. 11, 11 rt, 11 6. 



PI. CXLVI. fig. 6. 

 PI. CXLVIIL figs. 6, 6 a. 

 PI. CXLVII. fig. y. 

 PL CXLIX. figs. 6, 6 a. 



PL CXLI. figs. 2, 2 a, 2 b. 

 PL CXLIX. fig. 8. 

 PL CXLV. figs. 9, 9 a. 

 PI. CLIV. fig. 5. 

 PL XLIII. figs. 2,2 a, 26. 

 . PL CXLV. figs. 8-8 b. 

 PL XLVIII. figs. 5-5 c. 

 PL CXLVII. figs. 5, 5 a. 

 PL CLIV. fig. 6. 

 PL CXLI. figs. 7, 7 a. 

 PL CXLIX. figs. 3, 3 a* 3 b. 

 Opeic. PL CXLV. fig. 10. 

 PL CLIII. fig. 4. 



