199 
Figure 
3d. Head of female seen from in front, >< 66. 
3e. Head of another female seen from below, >< 117. 
3 f. Male seen from below, > 81. 
3g. Another male seen from left side, 81. 
3h. Distal part of a maxilliped of male, >< 296. 
31, Adult larva seen from below, 154. The setie of two of the natatory legs omitted. 
3k. Another similar larva seen from left side. A part of the olfactory seta, the greater part of 
the long caudal seta and most of the sete of the natatory legs omitted. 
3 1. Frontal decoration of larva, > 308. 
3m. Antenne of larva seen from below, ab. 250. 
3n. Right maxilla of larva seen from below, 312. 
30. The two proximal joints of left maxilla of larva seen in an oblique direction. 
PLATE IX. 
1. Spheronella decorata n. sp. (continued). 
1a. Genital area of female, « 94. 
1b. Left maxilla of female seen from below, 323. 
2. Spheronella modesta n. sp. 
a. Female, X 23. 
b. Male, < 23. 
Ovisacs — some containing eggs, others young ones —, 23. 
d. Head of female, 230; ax. peculiar area. 
e. Genital area of female, 180. 
f. Male seen from below, X 138. 
g. Frontal border and one antennula of the same male, < 264. 
h. Another male seen from left side, 138. 
i. Anterior part of larva, 294. 
ro bp tO bw b bw vo 9 t9 
83. Spheronella dispar n. sp. 
3a. Small adult female, > 37. 
3b. Male, X 37. 
3c. Ovisaes laid by the female shown in fig. 3a, 37. 
3d. Large adult female, >< 37. 
3 e. Ovisacs laid by the female shown in fig. 3d, 37. 
3 f. Head of female, 185. Of the antennula on the right side of the figure only the base 
is indicated. 
3g. Genital area of female, 243. 
3h. Male seen from below, 202; 7. first process of the sub-median skeleton, 7. second process 
of the same, y. lateral keel behind the peculiar frontal plate. 
3.i. Another male seen from left side, < 219. 
3k. Larva, 275. The sete of two of the natatory legs omitted. 
