iS 
Qu 
= 
So 
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ik Be 
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200 
4. Sphearonella insignis n. sp. 
VW OF 
Female from Diastylis levis Norm., >< 25. 
Male from Diast. levis, < 25. 
Head of the female shown in fig. 4a, 160. Of the antennula on the right side of the 
figure only the base is indicated. 
Genital area of the female shown in fig. 4a, >< 186. 
Genital area of a female from Diast. cornuta Boeck, 173. 
Right antennula of the female from Diast. cornuta seen from below, >< 290. 
Distal part of right maxilliped of the female from Diust. eornuta, >< 290. 
PLATE X. 
1. Spheronella insignis n. sp. (continued). 
Male from Diast. levis seen from left side, >< 67. 
Anterior part of the male shown in fig 1a and seen from below, 208; x. peculiar ring, 
y. lateral keel, v. frontal plate. 
Male from Diast. cornuta seen from below, 160. 
The same male seen from left side. 
Larva from Diast. cornuta, > 151. The branches of the natatory legs omitted. 
Front part of the larva shown in fig. le, 275. 
Right maxilla of the same larva, >< 350. 
Pupa from Diast. cornuta seen from below, >< 207. 
2. Spheronella curtipes n. sp. 
Female, 12. 
Male, 12. 
Ovisac, X< 12. 
Head of female, 192. The distal part of one maxilliped broken off. 
Genital area of female, > 71; r. one receptaculum seminis — the other omitted. 
Male seen from below, > 51. 
Another male seen from left side, >< 47. 
3. Spheronella affinis n. sp. 
Female, > QS8. 
Ovisac, X 28. 
Head of female, >< 292. The hairs of the sub-median skeleton drawn only on the right side 
of the figure. 
Genital area of female, > 146. Both receptacula seminis are indicated by dotted lines, and 
on the orifice of one a stalk of a spermatophore is attached. 
4. Spheronella Munnopsidis n. sp. 
Anterior half (namely: the head with the basal part of the antenns, and the larger part of 
the thorax with the first pair of legs and the basal portion of the three following pairs of 
legs) of an adult female of Munnopsis typica M. Sars, the extended marsupium of which is 
occupied by a female parasite with twenty ovisacs; many of the ovisacs are seen through the 
marsupial plates. The host is seen from below, 1/8. 
