OLIGOCHATA OF TROPICAL EASTERN AFRICA. 201 
A Contribution to our Knowledge of the Oligo- 
cheta of Tropical Eastern Africa. 
By 
Frank E. Beddard, M.A., F.R.S., 
Prosector to the Zoological Society of London. 
With Plates 16 and 17. 
TABLE oF CONTENTS. 
(1) Introductory, p. 201. (4) Note on the Substitution of Or- 
gans as illustrated in the Eu- 
(2) Descriptions of new Species, 
drilide, p. 263. 
Das __ __ | (6) Classification of the Eudrilide, 
(3) The Calciferous Glands in Eudri- p. 264. 
lidee, p. 255. (6) Descriptions of the Plates, p. 268. 
1, Introductory. 
Tuere seems to be no doubt that at present tropical Africa 
furnishes the most remarkable and interesting representatives 
of the terrestrial Oligocheta. The family Eudrilide have 
their headquarters there; indeed, with the exception of the 
almost cosmopolitan genus Eudrilus, the family is confined 
to the Ethiopian region, not even extending, so far as we know 
at present, into the more northern part of the continent. 
Eudrilide are already known from both the west and from 
the east side of Africa; they appear to abound principally in 
the equatorial region, though by no means unknown from 
