EXPLANATION OF PLATE VI I. 



Hippolysmata ensirostris , sp. nov. 



Fig. I. — An ovigerous female in lateral view : X 2. 



,, 2. — Rostrum of another specimen : X 3. 



,, 3.— Telson : X 5. 



,, 4. — Dactylus and part of propodus of fifth peraeopod : X 16 



Hippolysmata ensirostris var. punctata, nov. 



,, 5. — Carapace, rostrum and frontal appendages in lateral 



view ; X 3. 

 ,5 6. — Rostrum of another specimen : X 4. 



,, 7. — A portion of the carapace in the vicinity of the antennal 

 spine, showing the pitting of the surface : X 16. 



Merguia oligodon (de Man). 



,, 8.— Mandible : X 22. 



,, Q. — Second maxilla : X 16. 



