explan-ation" op plates. 441 



Ilyopsyllus COEIACEUS. 



8. Tail of female x 240. 



16. Fifth pair of feet of male X 440. {Figure left out). 



ECHIKOCHEEES VTOLACEUS S' 



9. Male seen from below x 100. 



10. Anterior aiitemia x 2^0. 



Cyclops sal^us ? 



11. Anterior antenna X 300. 



12. Posterior antenna X 3(0. 



13. Foot of first pair X ."00. 



14. „ third pair x 800. 



15. Tail X 250. 



Plate XIIT. 



CyCLOPICEEA BEE^riCIENSIS $ 



Fig. 1. Anterior antenna x 240. 



2. Posterior antenna (imperfect) X 240. 



3. Mrn-Hble X 240. 



4. Foot i\\ X 240. 



5. Foot of third pair X 240. 



6. ,, fourth pair X 240. 



7. ,, fifth pair X 240. 



8. Abdomen and tail x 150. 



Dactylopus longieosteis ^ 



9. Anterior antenna x 25^. 



- 10. Foot of first pair (imperfect) x 250. 



11. ,, second pair X 250. 



12. „ fifth pair X 250. 



Teematode paeasite of Acaetia CLA sil 



13. Acartla, with parasite in situ X 66. 



14. Early external stage of parasite x 66. 



15. Later stage of parasite x 66. 



16. Final ,, ,, X 66. 



17. Portion of ciiticle of the same x 240. 



2 I) 



