PARASITIC COPEPODS—CALIG ID M— WILSON. 



549 



Fir;. 48. — CHAI.IMT'S of Caligtjs RAPAX. (Onk MOULT later THAN Fir,. 47.) 



The changes which take place during this fourth moult and those 

 which subsequently occur in the several moults of the chalimus period 

 are very suggestive in many ways. 



