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Phyllopod Larvee. 
Larva of Limnetes 0.33 mm. long. A}, first antenna; 4?, swim- 
ming antenna; Md, mandibular palp; e, eye; l, lens; L, liver 
budding from anterior part of stomach; s, sensory a 
m, muscles of rectum. 
Larva of Chirocephalus. 
View from below. 
Caudal stylet. 
Head, showing organs of one side. J, liver. 
Muscles of swimming antenne. 
Maxilla. 
End of abdomen of an older individual. 
Mandible and palpus (p) in this stage. 
Antenna of female. 
Antenna of male. p, inner ramus; g, frontal organ. 
Part of Limnetes older than Fig. 1. 
First abdominal segment of female seen from below. 
illustrates the relation between the Phyllopoda and the Cladocer 
on one hand (Limnetes) and the Copepoda on the other (Chiro- 
cephalus). 
meee ene Ee 
This plate 
