a. Anterior portion of head of an 



immature male with antennae. 



b. Peduncle of upper antenna of older 



male with basal portion o flagel- 

 lum more highly magnified. 



c. Lower antenna of older male. 

 d Lower lip. 



Fig. io. — Grandidierella megnae (Giles). 



/• 



First gnathopod of male (form 



somewhat immature. 

 First gnathopod of male (form 



more mature. 

 Second gnathopod of male. 

 First gnathopod of femal e. 

 Second gnathopod of female. 



i), 



I. Terminal portion of body with uro- 



pods and telson. 

 m. First gnathopod of male (form 2), 



somewhat immature. 

 n. First gnathopod of fully developed 



male (form 2), in flexed position, 

 o. The same, extended to show sepa 



rate joints. 



