PLATE XCVII. 



Alpheus edwardsii (p. 542). 



Fig. 1. Lateral view ; enlarged three times. 



Id. Mandible. 



1//. First gnathopod. 



\i. Second gnathopod. 



Ik. First pereiopod ; larger chela, 



lm. Third pereiopod ; terminal joints. 



\mb. Mastigobranchia. 



Alpheus acrito-femoratus (p. 545). 

 ,, 2. Lateral view ; enlarged three times. 

 „ 2k. First pereiopod ; larger chela. 



Alpheus cristidigitus (p. 54G). 

 „ 3. Lateral view ; enlarged four times. 

 „ 3&. First pereiopod ; smaller chela. 



Alpheus megacheles (p. 547). 

 „ 4. First pereiopod; larger chela. 



