GASTROCOPTA, EASTERN ASIA. Ill 



43. GASTROCOPTA MONADICULA (Heude). PL 21, figs. 8, 9. 



Shell small, spire ovate, whorls 5, rather inflated, joined by 

 an impressed suture; aperture semielliptical, denticulate; 

 peristome continuous, basal and external margin three- 

 toothed; one tooth on the columella, one at the sinus on the 

 parietal wall; an oblique rima. Length 1%, diam. y 2 mm. 

 (Heude). 



China: Tchen-k'eou, Province Sytchuan. 



Pupa monadicula HEUDE, Notes Moll. Terr. Fl. Bleu, p. 152, 

 pi. 35, f. 24. 



This species is much smaller than G. armigerella. Heude 's 

 figures are copied, as I have not seen the species. 



44. GASTROCOPTA MERIDIONALIS (Moellendorff). 



Shell dextral, conic-ovate, whitish, pellucid, a little shining, 

 smooth; whorls 5, cylindric, parted by a deep suture, the last 

 a little compressed basally. Aperture rounded-triangular, 4- 

 toothed: one lamelliform tooth on the parietal wall, bifid an- 

 teriorly; another rather strong tooth on the columella, and 

 two palatals. Peristome simple, a little expanded, the margins 

 approaching. Length 2*4, diam. 1^4 mm. (Mlldff.) 



China: village of Sha-ming, near Macao (R. Hungerford) ; 

 Hongkong. 



Pupa (Leucochilus) meridionalis MLLDFF., Nachr. D. M. 

 Ges. xvi, 1884, p. 28; Jahrb. D. M. Ges. xi, 1884, p. 179.- 

 Leucochilus meridionale MLLDFF., Binnen-Mollusken aus 

 Westchina u. Centralasien, ii, 1902, p. 85. 



Described from one imperfect shell collected in an old 

 churchyard. According to von Moellendorff it is close to 

 G. armigerella, but well distinguished by the smaller number 

 of teeth. 



45. GASTROCOPTA EJECTA (Bavay & Dautzenberg) . PL 21, 

 fig. 12. 



Shell small, thin and pellucid, doliolif orm, tapering towards 

 the apex, narrowly perforate. Whorls 5, convex, gradate, 

 regularly increasing, joined by a conspicuous and narrowly 

 margined suture, and obliquely, very delicately plicate, the 



