BY THE REV. J. E. TENISON-WOODS. 1009 



Animal heliciform and like the genus Anostoma. 



Mr. Gray established this genus for species manifesting a twist 

 in the axis, or an irregular deviation in the disposition of the 

 whorls, causing an unsymmetrical spiral. He divides them into 

 many groups amongst which he includes a species of Pupa. 



Streptaxis conoideus, Pfr. Mon. Hel. IV. p. 329. 

 Keddah State, Malay Peninsula. 



S. PLUSSENSis, De Morgan, Le Naturaliste, VII. 1885, No. 9, 

 p. 68 ; von Moll. Jour. As. Soc. Beng. LV. 1886, p. 299. 

 Mt. Chekel, Kiver Plus, Perak, Malay Peninsula. 



S. MICHAUI (Ennea), Cro.sse and Fischer, Jour. Conch. 1863, 

 pi. 10, fig. 4, p. 357. 



Pulo Condor, Gulf of Siam, between east side of Malay Penin- 

 sula and Cambodia. 



S. BULBULUS (Ennea), Morelet, Jour. Conch. 1863, pi. 10, 

 .fig. 3. 



Pulo Condor. 



2. Ennea, H. and A. Adams, Gen. Rec. Moll. II. p. 171. 



Shell slightly rimate, sub-cylindrical ; apex obtuse, smooth, 

 shining, hyaline ; whoi'ls flattened, the last narrow, sulcated ex- 

 ternally in the middle, lamellate within, with a strong plait 

 parallel to the columella ; aperture sub-circular ; parietal lamella 

 extending inwards and situated close to the right margin ; peri- 

 stome expanded, the right margin flexuous, thickened in the 

 middle. 



Ennea perakensis, Godwin-Austen and Nevill, Proc. Zool. 

 Soc. 1879, p. 735, pi, 59, fig. 2 ; von Moll. Jour. As. Soc. Beng. 

 I.e. p. 300. 



Bukit Pondok, Gapis Pass, Perak. 



(N.B. — This is one of the places referred to where Bukit 

 Pondok is spelled Buket Pondong). 



