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DESCRIPTIONS OF FIVE NEW SPECIES OF LUIICOLARJA 

 FEOM BPJTISH EAST AFEICA. 



By H. B. Pkeston, F.Z.S. 



Read 12th April, 1912. 



LiMICOLAKIA AlHIENSIS, 11. sp. 



Shell cyliudrically fusiform, tliiu, semi-transparent, yellowish 

 cream-colour, painted witli transverse, narrow bands and flame 

 markings of reddish purple ; whorls 7, not very convex, the upper 

 whorls finely decussately sculptured, the sculpture becoming obsolete 

 on the later whorls, the lower portion of the sixth and seventh being 

 quite smooth ; suture impressed, slightly crenellate, very narrowly 

 margined below with white ; perforation very narrow, al;uost concealed 



by the reflection of the columella; columella whitish, granular, nearly 

 vertically descending above, somewhat obliquely descending below, 

 diffused above into a very thin, minutely granular parietal callus ; 

 labrum thin, simple; aperture rather elongately inversely auriform; 

 interior of shell faintly bluish, showing the transverse colour 

 markings through the test. Alt. 37-75, diani. maj. 16-5 mm. ; aperture, 

 alt. l.o"5, diam. 6'5 mm. 



Rab. — Alhi Plains, British East Africa (A. Blayney Percival). 



Vav. ovATA, n.var. 



Shell differing from the typical form in its shorter and broader 

 shape and in having a slightly less vertically descending columella. 

 Alt. 33, diam. maj. 17 mm. ; aperture, alt. 15-25, diam. 6-75 mm. 



Hah. — Alhi Plains, British East Africa (A. Blayney Percival). 



LlMICOLARIA NaKUKUANA, n.Sp. 



Shell rather shortly and acuminately cylindrical, with rather obtuse 

 apex, moderately solid, yellowish white, painted with irregular, 

 transverse, zigzag bands and streaks of purplish chestnut ; whorls 7, 

 marked with coarse growth-lines, and decussately sculptured, the 

 sculpture becoming obsolete on the last whorl ; suture impressed. 



