202 G- 0. Sårs. 



Fig. 11. Last larval stage; one of the pleopods. 

 « 12. Third larval stage ; extremity of the abdomen with 



the caudal fan; from below. 

 « 13. The same parts of a larva in the last stage. 



Plate 5. 



Gebia littoralis, Risso. 

 (First postlarval stage). 



Young Gebia; dorsal view. 

 The same; lateral view. 



Anterior part of carapax with the rostrum; dorsal 

 view. 



The same part; lateral view. 

 First antenna. 

 Second antenna. 

 Mandible. 

 First maxilla. 

 Second maxilla. 

 First maxilliped. 

 Second maxilliped. 

 Third maxilliped. 



13. Exterior part of 1st leg, showing the form of the 



chela. 



14. Extremity of 2nd leg. 



15. Exterior part of 5th leg. 



