136 



Transactions of the Royal Society of South Africa. 



I am not acquainted with authentic examples of von Martens' species, 

 but the German author himself placed anceyi in the synonymy of albopicta, 

 while subjenynsi, as represented in Ancey's collection, is identical with 

 anceyi ; it is a well-known species, remarkable for its brown and white 

 mottling, quite distinct homjenynsi or mozambicensis. 



Ledoulxia elatior (Mts.), 1866. 



1866. Trochomorpha ? mossambicensis Pfr., var. elatior Mts., Mai. Blatt. 

 xiii, p. 92. D. 



€ / !7 



Text-fig. 8. — Ledoulxia elatior (Mts.). 



Profile of shells from various localities. 

 (All figures slightly enlarged.) 



a, Mtisherra R. Valley. e, Undussurna. 



b, Bongo. /, Langenberg. 



c, Itsehongove. g, Djur Mai. 



d, Pangani. 



1869. Helix mozambicensis, var. elatior Mts., Pfr., Novit. Conch, iii, 

 p. 500, pi. 108, figs. 4-6. D.F. 



Hab. L. Marques. Itsehongove (Schenck) ; Mtisherra R. Valley (Cressy). 



I am greatly indebted to Dr. J. Thiele, of the Berlin Museum, for the ac- 

 companying text-figs. 8a-8g, and remarks about this dubious species, which 

 are so much to the point that I cannot do better than publish them in full. 



" Under the name of H. mozambicensis, var. elatior, von Martens desig- 

 nated several shells from different localities, which I have drawn by the 

 side of yours from the Mtisherra R. Valley. That from Bongo, Abyssinia, 

 must be regarded as typical ; below it is placed the shell figured by von 



