1880.] MR. CRAVEN ON SHELLS FROM USAMBARA. 217 



Dimensions : — Greatest diameter 24 millims., smallest diameter 20, 

 height from base of aperture to apes 15, breadth and height of 

 aperture 11. 



Locality. Magila, at the foot of the Usambara hills, in thick 

 woods near a waterfall. 



This species has more the appearance of some of the North- 

 American forms than of the African. 



Helix zanguebarica, sp. nov. (Plate XXII. fig. 4.) 



Shell conically turbinate, perforate, transparent, smooth, and of a 

 uniform dark brown colour ; apex obtuse, spire rather depressed ; 

 whorls 4| to 5, all convex, the last as broad as the remainder to- 

 gether ; aperture ovately lunate, broader than high ; labrum sharp 

 and simple, excepting near the umbilicus, where it is slightly re- 

 flexed outwardly ; suture deep and well defined ; umbilicus very 

 small. 



Dimensions : — Grreatest diameter 3 millims., smallest diameter 2'7, 

 height from base of aperture to apex 2*4, breadth of aperture 1"4, 

 height of aperture '9. 



Locality. Magila, on decaying vegetation. Mr. J. S. Gibbons 

 found some dead specimens on Zanzibar Island. 



BuLiMus kirkii, Dohrn, P. Z. S. 1865, p. 232. 



Locality. Magila, in woods. 



The specimens collected are rather larger than those in the British- 

 Museum collection. 



BuLiMus PUNCTATUS (Anton), Verz. p. 42. no. 1540; Reeve, 

 Conch. Icon. no. 452, pi. 65. 



Very plentiful at Pangani and Marongo. 



BuLiMus ovoiDEA, Brug. Enc. Meth. i. p. 335. no. 64 ; Kiister, 

 Icon. Moll. {Pujia) p. 120, pi. 16. figs. 2, 3. 



Several fine specimens in woods, Magila. 



BuLiMTJs OBEsus (Gibbons, MS.), Quart. Journ. of Conch, vol. i. 

 p. 255, pi. ii. fig. 3. 



This species closely resembles Bulimus ovoides (Brug.), but is of 

 much smaller size. 



Locality. Magila and Pangani. Dr. Kirk took a living specimen 

 at Magila ; the animal was of a pale green colour, visible through 

 the shell. 



Bulimus magilensis, sp. nov. (Plate XXII. fig. 3.) 



Shell turriform, subtransparent, solid, very glossy, showing the 

 lines of growth very plainly, of a pale olive-brown colour, rather 

 lighter near the apex ; apex large and obtuse, spire elongated ; 

 whorls 9 to 10, very slightly convex and gradually increasing ; aper- 

 ture pyriform, occupying rather less than one sixth of the entire 

 length of the shell ; labrum simple, columella somewhat oblique and 



