Phyllopod Larvae. 



Fig, 



1. Larva of lAmnetes 0.33 mm. long. A^, first antenna; A^, swim- 



ming antenna; Md, mandibular palp; e, eye; I, lens; L, liver 

 budding from anterior part of stomach; s, sensory filament; 

 m, muscles of rectum. 



Ijarva of Cliirocepbaliis. 



2. Yiew from below. 



3. Caudal stylet. 



4. Head, showing organs of one side. L, liver. 



5. Muscles of swimming antennas. 



6. Maxilla. 



7. End of abdomen of an older individual. 

 S. Mandible and palpus (^) in this stage. 

 9. Antenna of female. 



10. Antenna of male, p, inner ramus; g, frontal organ. 



11. Part of Limnetes older than Fig. 1. 



12. First abdominal segment of female seen from below. This plate 



illustrates the relation between the Phyllopoda and the Gladocera 

 on one hand (Limnetes) and the Gopepoda on the other (Chiro- 

 cephalus). 



