PARASITIC COPEPODS—CALIGIDM— WILSON. 



549 



^-.r- 







Fifi. 48.— Chalimts of Cai,I(;i's rapax. (One motti.t later than fih. 47.) 



The changes which take phice durino- this fourth moult and those 

 which subsequently occur in the several moults of the chalinuis period 

 are very suofofestive in main' ways. 



