PLATE VII. 



Figs. 1-5. Gnathophausia longispina, G. 0. Sars. 

 Fi<T. 1. Adult male, from left side ; magnified about three times. 

 Fis;. 2. Same, from above. 



Fig. 3. Antenna, with scale and proximal part of flagellum. 

 Fig. 4. Extremity of tail, with telson, from above. 



Fig. 5. Anterior part of carapace, with base of rostrum, from below, a, supra-orbital 

 spines ; h, rudiments of antennal spines ; c, branchiostegal spines. 



Fio-s. 6-10. Gnathophausia gracilis, Willemoes-Suhm. 

 Fig. 6. Male, from left side ; magnified about three times. 

 Fis. 7. Same, from above. 



Fio-. 8. Antenna, with scale and proximal part of flagellum. 

 Fig. 9. Extremity of tail, with telson and right uropod, from above. 

 Fif^. 10. Tip of telson; more highly magnified. 



