PLATE 3. 



Fig. 1. Euchaetomera plebeja, sp. nov. 



Fig. la. .interior part of a male from Sta. 4070, from above; X 3.3. 



Fig. ll:i. End of sixth abdominal segment with telson and left uropod of the same specimen, from 

 above; X 25. 



Fig. 2. Cryptomysis latnellicauda, gen. et. sp. nov. 

 Anterior part of an adult female, from above; X 32. The specimen is somewhat 



Left antenna of the same female, from above; X 40. 



Left mandible of the same female, from below; X 47. 



Distal part of the same mandible, from below; X 48. 



Second joint of the palp of the same mandible, from below; X 78. 



Left maxillula of the same female, from below; X SO. 



Left maxilla of the same female, from below; X SO. 



Left maxilliped of the same female, from below; X 4.5. 



Left gnathopod of the same female, from below; X 4.5. 



Major distal part of the endopod of a thoracic leg of the same specimen; X 45. 



End of sixth abdominal segment with telson and left uropod of the same specimen, from 



Telson shown in the preceding figure, from above; X 74. 



Fig. 3. Doxomysis pelagica, gen. et. sp. nov. 



Left antenna of the adult female, from below; X 40. 

 Left mandible of the same female, from below; X 56. 

 Distal part of the same mandible, from below; X 88. 

 Left maxilla of the same female, from below ; X 90. 

 Left maxilliped of the same female, from below; X 88. 

 Telson of the same female, from above; X 47. 

 Distal part of telson, from above; X 80. 



Exopod and epipod omitted. 



Fig. 4. Thysanopoda cristata G. O. Sars. 



Fig. 4a. Carapace of an immature specimen from Sta. 4736, from the left side; X 2  

 tide at the lateral margin omitted. 



Fig. 4b. Front part of the carapace of an adult male, from above; X 5. 



Fig. 4c. Front part of the carapace of the adult male, from the left side; X 8. 



A den- 



