LIST OF ILLUSTRATIONS 
PLATE XVII. 
To face p. 397. 
Microniscus calani, Sars. Sars . : 4 
Cyproniscus cypridine (Sars). A female (with a male 
in the normal position) affixed to the body of a Cypri- 
dina norvegica. The right valve of the host has been 
removed. Sars 
c. Adult ovigerous female of he Depraniucts: detached. and 
viewed from above 
d. Younger female, not yet ovigerous, in lateral view 
e. Male, probably adult, with the anterior extremity carrying 
two root-like processes, and embedded in the skin of the 
Cypridina 
jf. Larva in the last stage of development, seen from above 
a) 
‘PEATE, XViIE 
To face p. 414. 
Portunion menadis, Giard, on Carcinus menas (Pennant). 
Giard and Bonnier ; F , 2 
Portunion Kossmanni, Giard and Bonnier. Giard and 
Bonnier ; : ? 
Cancricepon elegans, Ginn end erence Lateral view of 
female; dorsal view of male and female. Giard and 
Bonnier : 
Gigantione Moebii, Rae: iyiee and one view of 
female. Kossmann 
PLATE XIX. 
To face p. 425. 
Helleria brevicornis, von Ebner 
The head from above, the head and pleon from below; 
the antenna; mandible, lower lip; first maxilla, second 
maxilla, maxilliped; first leg; rudimentary first pleopod 
with opercular plate of the second, stilet of the second 
pleopod, fourth pleopod showing the opercular plate 
broadside and edgeways, and the peduncle with the bran- 
chial plate; uropod. Von Ebner 
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