1909. 
Fig. 
Fig. 
Fig. 
208. 
209. 
210. 
PALE 
212 
— 
213. 
214. 
215. 
216. 
217. 
218. 
219. 
220. 
221. 
999 
aaa: 
eis 
9 bo 
He Co 
220. 
226. 
227. 
228. 
229 
—_ 
OF THE THIRD TANGANYIKA EXPEDITION. 77 
PratE XXI. 
Cyclops oligarthrus G. O. Sars. 
. Adult ovigerous female, dorsal view. 
. Anterior antenna. 
. Posterior antenna. 
. Leg of 1st pair. 
. Leg of 3rd pair. 
. Inner ramus of a leg of 4th pair. 
. Lateral part of last pedigerous segment, with the corresponding leg. 
. Right caudal ramus, with adjoining part of anal segment, dorsal view. 
Cyclops compactus G. O. Sars. 
. Adult female, dorsal view. 
. Lateral parts of the last two pedigerous segments and of the genital 
segment, exhibiting the corresponding leg of last pair, and the short 
seta, dorsal view. 
Cyclops dubius G. O. Sars. 
5. Adult female, dorsal view. 
. Posterior part of metasome and adjoining part of genital seement, viewed 
from the dorsal face, and exhibiting the peculiar ciliation of the last 
pedigerous segment, and the projecting legs of last pair. 
. Left caudal ramus, with adjoining part of urosome, dorsal view. 
Prats XXII. 
Ergasiloides megacheir G. O. Sars. 
Female in last free stage, viewed from dorsal face. 
Same, viewed from left side. 
Anterior antenna. 
Posterior prehensile antenna. 
Oral area, viewed from the ventral face, and exhibiting the oral parts 
an situ. 
Mandible highly magnified. 
Manilla. 
Rudimentary maxilliped. 
Leg of Ist pair. 
Leg of 3rd pair. 
Leg of 4th pair. 
Rudimentary leg of last pair, together with part of the likewise rudi- 
mentary corresponding segment. 
Adult male, dorsal view. 
Posterior antenna of same. 
Maxilliped of same. 
Prate XXIII. 
Ergasiloides macrodactylus G. O. Sars. 
. Female in last free stage, dorsal view. 
. Posterior prehensile antenna. 
Ergasiloides brevimanus G. O. Sars. 
Female in last free stage, dorsal view. 
Posterior prehensile antenna. 
Leg of 1st pair. 
Leg of 3rd pair. 
. Leg of 4th pair. 
230. 
231. 
Urosome, with the caudal rami, dorsal view. 
Male, viewed from the dorsal face. 
