198 



6. Sphseronella frontalis n. sp. 



6 a. Male seen from below, X 66; q. spermatolheca (llie other sperniatotheca is seen to the left). 



The hairs on the lateral margin of the head and on the trunk drawn only on the left side 



of the figure; of the maxilliped on the same side only the basal joint is drawn and its hairs 



are omitted. 

 6 b. Another male seen from left side. 

 6 c. Antenna of male, X 280. 



6 d. Maxillula of male seen from the exterior side, X 280; e.' additional branch. 

 6 e. The proximal larger part of the basal joint of the left maxilliped of male seen from the 



anterior side, X 185. 

 6 f. First right trunk-leg of male seen from below, X 2G5. 

 6 g. Second right trunk leg of male seen from below, X 265. 

 6 h. Small part of the skin of male from the dorsal side of the trunk a little in advance of the 



middle, X 280. 

 6 i. Genital area of female, X 166; t. caudal stylets (their seta; no doubt broken off). 



PLATE VIII. 



1. Sphaeronella frontalis n. sp. (continued). 

 1 a. Female, X 16. 

 1 b. Male, X 16. 

 1 c. Ovisac, X 16. 

 1 d. Head of female, X 108. The antennula on left side of the figure almost totally omitted. 



1 e. Larger part of ccphalothorax of larva (with the iieduiicles of lirst pair of natatory legs), X 200. 



2. Sphaeronella microcephala Giard and Bonnier. 



2 a. Large female, X 21. 

 2 b. Male, X 21. 



2 c. Ovisac, X 21. 



2 d. Head of female seen from below, X «^34. 



2 e. Plate representing the frontal border, mouth and one maxillula of another female seen from 



below, X 334. 

 2 f. Genital area of female, X 116. Receptacula seminis and their orifices omitted. 

 2 g. Male seen from below, X 206. 

 2h. The same male seen from left side, X 208; i. process of the first pair from the sub-median 



skeleton. 

 2 i. Larva with an adhesive plate covering the froni, X 196. The branches of the natatory legs 



omitted. 



2 k. Animal considered to be a pupa of this species, X 135. 



3. Sphseronella decorata n. sp. 



3 a. Large female, X IL 

 3 b. Male, X 11. 



3 c. Ovisac, X 1 1 • 



