i68 



THE APODID^E 



PART 



the arguments founded upon anatomical and morpho- 

 logical comparisons brought forward in the previous 

 sections. We may, we tfiink, safely maintain that the 



FIG. 41. Fourth larval stage of Apus (Glaus), the diverticula of the mid-gut com- 

 mencing to form the glandular invaginations (/). 



bulk of the evidence to be deduced from the Nauplius 

 is decidedly in favour of our theory. To us it seems 

 so strong, that on it alone the theory might almost be 



