EXPLANATION OF PLATE VI. 



Lysmata chiltoni, sp. no v. 



Fig. I. — Rostrum, carapace, etc. of the type specimen : X 4. 

 ,^ 2. — Antennule of another specimen : X 8. 

 ,, 3. — Antennal scale : X 12. 



,, 4. — Last two carpal segments and chela of second peraeopod : 

 X 40. 



Hippolysmata dentata, sp. nov. 



,, 5. — Rostrum, carapace, thoracic appendages, etc. of the 

 type specimen : X 5. 



Hippolysmata vittata, Stimpson. 



6. — Pterygostomian angle of carapace : X 34. 

 7. — Chela of first peraeopod : X 14. 

 8. — Dactylus of fifth peraeopod : X 34. 

 9. — Telson : X 8. 

 10. — Rostrum, carapace, etc. of a specimen from the Persian 

 Gulf with unusually long rostrum : X 6. 



Hippolysmata kilkenthali , de Man. 

 I I. — Chela of first peraeopod ; X 14. 



