Fig. 2. — AxtficiisfiiciatUis. — Dorsal or tergal views (nat. size). A, male; 

 B, female : — hci/, branchio-cardiac g-roove, which marks the boun- 

 dary between the pericardial and the branchial cavities ; c/j, cervical 

 groove ; these letters are pJaced on the carapace ; r, rostrum : f, i\ 

 the two divisions of the telson ; 1, eye-stalks ; 'J, antennules ; 5, 

 antennai ; 20, lateral lobes of tail-fin ; xv-xx, somites of the 

 abdomen. 



