384 MR. G. C. RORSOJSr ON LAND AND 



towards the extremity. Posterior tentacles dark grey, transversely wrinkled ; 

 anterior tentacles pale, slightly bifid at the extremity. 



Colour (in alcohol) : the skin o£ the dorsal surface, which is covered with 

 minute irregular papillse and sparsely traversed by meandering seams, is 

 dark bluish grey, becoming dull purplish yellow anteriorly. The median 

 line is occupied by a thin yellow stripe, which falls 2 or 3 mm. short of the 

 end of the body posteriorly nnd is lost anteriorly. The under surface is the 

 same as the upper near the mantle-edge, but becomes paler near the foot, 

 which is dull yellow. 



Length (in alcohol) 33 mm. ; breadth 14 mm. ; width of sole 5 mm. 



Type in the Zoological Department, British Museum. 



Fam. HELiciDiE. 



25. *Helicophanta souverbiana, Fischer. 



rischer, Journ. de Concli. 1860, p. 210. 

 Woods, 300-600 m. alt., on gneiss rocks, Mangoro and Matitona (E.). 



26. *Helicophanta bicingulata, E. a. Smith. 



E. A. Smith, P. Z. S. 1882. 

 N. centre (plateau, about 1000 m. alt.). 



27. *Helicophanta Methueni, n. sp. (Plate 35. figs. 14, 15.) 

 Liassic limestone, Ambongo (W.). 



Erect, pyriform, imperforate ; whorls nearly 5, the last very large. Aper- 

 ture suboblique, rounded below. The columellar lip perpendicular and 

 forming a flat triangular callus over, but not closing, the umbilicus. Peri- 

 stome narrow, a little reflexed. The umbilical region markedly effuse. 

 Grrowth-lines, as in H. phenax, decussated by spiral striae, but even in rather 

 worn examples not nearly so closely. Colour of the inferior half of the 

 body-whorl ? pale yellow or ochreous, traversed by a brown band^ the upper 

 half and apical whorls of a yellowish brown, delimited from the inferior 

 lighter area on the body-whorl by a second brown band. 



Akin to H. phenax, Pilsbry, but distinguished clearly by the character of 

 the columellar lip and umbilical region, the more acute apex, and probably 

 by the texture. 



Max. alt. 61 mm. 



Holotype in the British Museum (Zoological Department)^ from Ambongo. 



28. EuLOTA siMiLAEis, Feruss. 



F^mssac, Hist. nat. Moll. i. p. 171. 

 Locality. Cf. no. 1. 



This species, as is now well known, has been distributed throughout the 

 tropics in the soil adhering to cofFee-plants. 



