40 AV. jr. TATTERSALh. 



I'l.ATH [V. 



Eiipliaiiaid triacantha. 

 Fig. 1. — Male, lateral view X (!. 

 Fill. i. — Male, dorsal view of anterior end X 20. 

 Fii!. ;?.— Inner lobe of the endopod of the first pleopods of the male to show copulatory a])paratus x !^<>. 



Eiqjhausia valient itii. 



Fig. 4.— Outline of antcnnular peduncle of 'Discovery' specimen x !'(•. 



Fk;. .'). -Outline of rostrum and basal joint of antennular peduncle of 'Challenger' specimen x ;>0. 

 Fifi. (;.- Inner lobe of the endopod of the first pleopods of the male in ' Challenger' specimen, to show 

 copulatory apparatus x J^O. 



Euphausia s/i, juv. 



Fig. 7.— Dorsal view of anterior end of specimen, 10 mm. x oo. 



Fig. ^. — Lateral view of antennular peduncle of the same specimen x GO. 



Fi,;. 0.— Spine on the third sc£;meut of the plcon of the same specimen x -'it. 



Ei/jtiitiiisia (■ri/stiiJli)nijjliiiis. 

 Fig. 10.~ Inner lobe of the endopod of the first pleopods of the male, to show copulatory apparatus X 80. 



PLATE V. 



Haiinpnomysis antardka. 



Fig. 1. — Female, dorsal view x 10. 



Fig. 2. — Enlarged view of anterior end x 23. 



Fig. 3. — Side view of anterior end X 23. 



Fig. 4. — Dorsal view of peculiar antennnlar organ x 70. 



Fig. 5. — Side view of same x 7(». 



Fig. 6.— Mandible x 20. 



Fig. 7.— Mandibular palp x 20. 



Fig. f^. — First maxilla X 20. 



Fig. 9. — Second maxilla x 2o. 



Fig. 10. — First thoracic limb x 2o. 



Fig. 11.— Second thoracic limb, endopod x 10. 



Fig. 12. — Third thoracic limb, endopod X 10. 



Fig. 13. — Sixth thoracic limb, endopod x Id. 



Fig. 14. — First pleopod x 20. 



Fig. 15. — Second pleopod X 20. 



Fig. 16.— Third pleopod x 20. 



Fig. 17. — Fourth pleopod x 20. 



Fig. 18.— Fifth pleopod X 20. 



Fig. 19. — Telson and uropods X 20. 



PLATE YL 



Pseudomma belyicae. 



Fig. 1. — Female, dorsal view x 10. 



Fig. 2.— Mandible x 30. 



Fig. 3. — Mandibular palp x 30. 



Fig. 4. — First maxilla X 30. 



Fig. 5. — Second maxilla x 30. 



Fig. 6. — First thoracic limb, endopod x 13. 



Fig. 7. — Second thoracic limb, endopod x 13. 



Fig. 8.— Telsou x 20. 



