PLATE XX. 



Fig. 1. Cijdops venustus (p. 189), female, dorsal view. 



2. ,, ,, female, antennule. 



3. ,, ,, foot of fifth pair (female). 



4. Megariht*wm purpurorinctum, foot of fifth pair (female). 



5. ,, ,, foot of fourth pair. 



6. Dactylopusia valida, foot of first pair. 



7. Porcellidum lecanoides, abdomen and furcal joiuts. 



8. MesocJieres anglicus, foot of fourth pair. 



9. Robertsonia tennis, antennule (female). 



10. ,, second maxilliperl. 



11. ,, foot of first pair. 



