195 



Figure 2. Sphaeronella abyssi n. sp. 



2 a. Female with two ovisacs adhering to its anterior outline, X 26. 



2 b. Male, X 26. 



2 c. Genital area of female, X 1 74. The genital apertures are open ; one caudal stylet is absent ; 



two spermatophores and the proximal part of the stalk af a third one are seen. 

 2d. Male seen from below, X 152. 



2 e. The same male seen from left side. 



3. Sphaeronella Argissae n. sp. 



3 a. Adult, but shrunk and crooked female with a male attached to it near the genital area, 



X 30; m. male. 

 3 b. Ovisac, X 30. 



3 c. Recently hatched female attached to a gill, X 30. 

 3 d. The same female, X 240. 

 3 e. Part of the sub-median skeleton, right maxilla and the proximal part of right maxilliped of 



the adult female, seen from below, X 276; e. maxilla, f. base of the maxilliped. 

 3 f. Genital area, with one spermatophore, of female, X 150. 

 3 g. Male seen from below, X 205. 

 3 h. The same male seen from left side. 



3 i. Outlines of hollow spaces beneath the dorsal skin of the head of the male, X 205. 

 3 k. Right maxilliped of male seen from the anterior side, X 316. At the proximal end is shown 



a process of the second pair of the sub-median skeleton. 

 3 1. Female pupa seen from below, X 162; a. antennula, c. antenna, e. maxillula, f. maxilla, 



g. maxilliped, p. caudal stylets, s. funnel-shaped adhesive plate. 

 3 m. The same female pupa seen from left side. 



3 n. Anterior half of cephalothorax of larva, X 260. 



4. Sphaeronella Metopae n. sp. 



4 a. Genital area of female, X 254 ; o. orifice of one of the receptacula seminis. 



PLATE V. 



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

 1 a. Female, X 68. 

 1 b. Male, X 68. 



1 c. Ovisac with about half-developed young ones, X 68. 

 1 d. Head of female seen from below, X 224. 

 1 e. Greater part of the head of female seen from left side and showing the antennula (the setae 



omitted), rostrum with antenna and maxillula, the maxilla, and the base of the maxilliped. 

 1 f. Male seen from below, X 185. 



1 g. The same male seen from left side. 



2. Sphaeronella Holbolli n. sp. 



2 a. Female, X 20. 

 2 b. Male, X 20. 



25* 



