226 MANUAL OF ZOOLOGY. 



Sub-class II. CIRRIPEDIA. 



Sub-class III. ENTOMOSTRACA. 



Order 6. Ostracoda. \ T . T , , 



7. Copepoda. } Le $ mi > Lophyropoda. 



8. Cladocera. \ 



9. Phyllopoda. ,- Legion, Branchiopoda. 



10. TrUobita. j 

 ii. Merostomata. 



Sub-class IV. MALACOSTRACA. 

 Division A. EDRIOPHTHALMATA. 



Order 12. Lcemodipoda. 

 13. Isopoda. 

 14. Amphipoda. 



Division B. PODOPHTHALMATA. 



Order 15. Stomapoda. 



1 6. Decapoda. 



Tribe a. Macrnra. 

 b. Anomura. 

 <r. Brachynra. 



CHAPTER XXXII. 



EPIZOA AND CIRRIPEDIA. 



SUB-CLASS I. EPIZOA (Haustellatd). The members of this sub- 

 class of the Crustacea are in the adult state parasitic upon the 

 bodies of fishes, and are usually deformed ; but in the young 

 condition they are locomotive, and are furnished with antennae 

 and eyes. The mouth is suctorial, and the limbs are terminated 

 by suckers, hooks, or bristles. There are no differentiated 

 respiratory organs, but respiration is performed by the surface 

 of the body. The males are rudimentary, and are much smaller 



