195 



Pig„rc 2. Sphaeronella abyssi n. sp. 



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

 2 b. Male, X 26. 

 2 c. Genital area of female, X 174. The genital apertures are open; one caudal stylet is absent; 



two spermatophores and the proxirnal 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 atlachcd to it near the genital area, 



X 30; III. male. 

 3 b. Ovisac, X 30. 



3 e. 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, /'. 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, 



(/. 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 MetopaB 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). 

 I 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 seta^ 



omitted), rostrum with antenna and maxillula, the ?naxilla, and the hase of the maxilliped. 

 1 f. Male seen from below, X 185. 



1 g. The same male seen from left side. 



2. Sphaeronella HolbOUi n. sp. 



2 a. Female, X 20. 

 2 b. Male, X 20. 



25* 



