318 Mr. C. I. Forsyth Major on 



two basal are respectively doubly mamillar and broadly 

 triangular, and the remaining columellar tooth is smaller, 

 rounded, and mamillar. The peristome is incrassate, re- 

 flexed, and broader towards the columellar region. 



The specific name is the Greek a/^^tuScov, " encircled with 

 teeth." 



Cychstoma ochraceum, sp. n. (PI. XVI. figs. 8, 9.) 



C. testa conico-depressa, anguste sed profundissime umbilicata, 

 unicolore, brunneo-ochracea, parum solida ; anfractibus 5, quasi 

 tabulatis, duobu8 apiealibus Isevibus, apice mamillato, cseteris 

 spiraliter arete filoliratis, liris acutis, regularibus, iuterstitiis sub 

 lente obliquistriatis, ultimo rapide accrescente ; apertura rotuu- 

 data ; peristomate continuo, simplici ; operculum normale. 



Long. 13"50, lat. 15 mm. 



Hah. S. Africa. 



Much larger than C. transvaalense, M. & P. ; of different 

 form, but of the same character so far as the spiral ridging is 

 concerned. The shell is conically depressed ; umbilicus 

 narrow but very deep ; apex mamillated, it and the first 

 whorl are smooth, the others uniformly spirally ridged, the 

 interstices being very finely obliquely striate. Colour a warm 

 ochraceous brown, suggesting the specific name. 



EXPLANATION OF PLATE XVI. 



Fig. 1. Ennea imjiervia. 

 Fig. 2. Ennea Queketti. 

 Fig. 3. Subiilina leeocochlu. 

 Fig. 4. Subulina crystallina. 

 Fig. 5. Subulina glaucoci/anea. 

 Figs. 6, 7. Pupa amphodon. 

 Figs. 8, 9. Cyclostoma ochraceum. 



XLVIII. — Diagnoses of new Mammals from Madagascar. 

 By C. 1. FoESYTH Major. 



LiMNOGALE, gen. nov. 

 (Fam. CentetidcB.) 



Head short, broad and flattened. Toes webbed. Tail 

 powerful ; very thick and almost square in the proximal 

 half, the distal part laterally compressed. Skull broad and 

 flattened. Cerebral region low ; facial region comparatively 

 high, but very short and broad. Zygomatic processes of 



