205 
Figure 
5. Head of female, X 204. Antennule, one maxilliped and the distal part of the antenne are 
broken off; the hairs almost totally omitted on the right half of the figure, 
5d. Genital area of female, > 202. 
6. Spheronella marginata n. sp. 
6a. Female, < 41. 
6b. Male, x 41. 
6c. Ovisac, 41. 
6d. Head of female, > 190; a. antennula, f. rudimentary maxilla. 
6 e. Genital area of female, >< 280. Only one of the caudal stylets is found. The receptacula 
seminis indicated by dotted lines. 
6 f. Male seen from below, > 190. The trunk misshaped by pressure, 
6g. Cephalothorax of a full-grown larva, X 273. The natatory legs and most of the olfactory 
seta on the right side of the figure omitted. 
6h. The two distal joints of a maxilla of the larva, 273. 
