GASTROPODA. 
161 
tella (Jickeli, 1872) ; id. 1. c. pp. 77-79, shell, jaw, radula, and sagitta 
figured, pis. i. fig. 9, iv. fig. 26, coast of Red Sea. 
H. [^Erepta ?] rodriguezensis (Crosse, 1873), Crosse, J. de Conch, xxii. 
p. 230, pi. viii. fig. 1, Rodriguez Island.^ 
II. menkeana (Pfr.) ; E. Smith, Moll. Yoy. Ereb. & Terr. pi. iv. fig. 9. 
Helix. Species from Central and Eastern Asia : — 
II. rujl.ynra, ruhens, and p^a’[o] zona, spp. nn., Mjlrtens, in Fedchenko’s 
Turkost. Moll. pp. 9, 12 & 13, pis. i. figs. G, 7 & 8, shells, iii. fig. 38, 
jaw, radula, and sagitta of the first, fig. 39, jaw and radula of the third, 
Yalley of the Sarafschan in Turkestan, the first in mountains up to 9600 
feet, the last in Kokand. 
H. semenowi and plectotropis (Martens, 1864), from the Tianschan ; 
id. L c. pp. 16 & 17, pi. i. figs. 12 & 11. 
H. subsimilis and submissa, spp. nn., Deshayes, N. Arch. Mus. ix. 
pp. 10 & 11, pi. ii. figs. 28, 29, 30-32, Moupin, E. Thibet. On the same 
plate, figs. 1-27, ten species from the same locality, described in 1871 
[see Zool. Rec. viii. p. 153], are figured. 
II . burtini, nucleus, hongkongensis,obscura,pekinensis, luctuosa,buvignieri, 
subrugosa, and perforata, spp. nn., from China, figured but not described ; 
id. 1. c. pi. iii. figs. 1-32. 
H. sanis and galerus (Bens.), Hanley & Theobald, Conch. Ind. pi. Ixxxiii. 
figs. 1 & 2 ; Zoroaster, var. concolor (Theobald), pi. Ixxxvi. fig. 2 ; fritil- 
laria (Bens.), ibid. figs. 8-10 ; barrakporensis (Pfr.), pl. Ixxxvii. fig. 7 ; 
macropleuris (Bens.), ibid., fig. 10 ; compluvialis (Blanf.), pl. Ixxxviii. 
figs. 1 & 4; consepta (Bens.), ibid.,^i\gs. 5 & 6; petrosa (Hutt.), ibid., 
figs. 7 & 10 ; vilipensa and petasus (Bens.), pl. Ixxxix. figs. 4-6, 8 & 9 ; 
levicula, causia, and pauxillula (Bens.), pl. xc. figs. 1 & 4, 2 & 3, & 7-9 ; 
honesta (Gould, nec Reeve), ibid., fig. 10. 
II! vittata (Miill.), flagellum spirally twisted; H. argillacea (F^r.), 
flagellum double; Semper, Reis. Archip. Philippin. iii. p. 163, pl. xv. 
fig. 19. II. similaris (F^r.), radula; Binney, P. Ac. Philad. 1874, p. 55, 
pl. ix. fig. 6. 
Helix (Plectopylis). All known species arranged according to their 
inner plaits, and the following described :—II. (P.) serica, sp. n., 
Henozdan, Burrail range, above 5000 feet, shiroiensis, sp. n., Shiroifurar, 
N. E. of Munipur, 8000-9000 feet, nagaensis, sp. n., Prowi, Naga Hills, 
6000 feet, munipur ensis, sp. n., Munipur, 3000-4000, and pseudophis 
(Blanf ord, MS.), Thayatmyo, in Pegu. The plaits serve probably as 
barriers against intruding insects. Godwin-Austen, P. Z. S. 1874, 
pp. 608-613; the new species and the plaits of some others figured, 
pis. Ixxiii. & Ixxiv. 
H. {Acavus) phoenix (Pfr.), dentition ; Binney, P. Ac. Philad. 1874, 
p. 58, pl. ix. fig. 11. 
II. {Camena') lutilabris, sp. n., Mollendorff, JB. nial. Ges. i. p. 79, 
Kiukiang, Kiangsi, China. 
H. sanziana (Hombr. & Jacq.) var. ; Semper, Reis. Archip. Philipp, 
iii. pl. ix. fig. 10. 
1874. [voL. XI.] 
]\r 
