5f)4 ON THE AMPHIPOD GEXUS LKFTOCIIEIRUS. 



Fig. 10. Hand of first gnatliopod, (?, looking down 

 on the hind margin, from a specimen from 



Vineyard Sound Leptocheirus pingiiis. X 22. 



11. Finger of second gnathopod, same specimen. „ „ X 27. 



12. Second joint, without the bristles, uropod 3, 



$, Vineyard Sound „ „ X 75. 



13. Finger of first gnathopod, small specimen, 



4 mm., from Banfi^ LeptocheirushirsutimanusY. 58. 



14. Tip of finger, second gnathopod, small speci- 



men, 4 mm., from Banff „ „ X 145. 



15. Finger of third peraeopod, large specimen, 



lU mm., Shetland Isles, 1867 „ „ X 145. 



16. Outer ramus, third uropod, small specimen, 



4mm., Banff „ „ X 58. 



17. Hand and finger, first gnathopod, $ . 



Noi'mans type specimen Leptocheirus bispinostis. X 50. 



18. Finger of second gnathopod, ^. Norman's 



type .specimen „ „ X 50. 



19. Terminal joints, fifth peraeopod, $ . Nor- 



man's type specimen „ „ X 28. 



20. Uropod 3, ^. Norman's type specimen ... „ „ X 50. 



Plate XIX. 

 Leptocheirus pectinatiis Norman. 



Fig 1. Accessory flagellum, superior autcnna. Norman's specimen, ^ X 115. 



2. „ „ ,, „ Chevreux's specimen, large ^ . X 75. 



3. „ „ „ „ Grube's largest specimen, $ . X 75. 



4. Upper lip Chevreux's specimen, large ^ . X 75. 



5. Lower lip „ „ „ „ X 75. 



6. Mandible „ „ „ „ X 75. 



7. Maxilla 1 „ „ „ „ X 76. 



8. iiifurcate spine, outer plate, maxilla 1. „ ,, „ ., X 435. 



9. Dentate spine, ,. „ „ „ „ „ „ X 435. 



10. Maxilla2 „ „ „ „ X 75. 



11. Maxillipeds „ „ „ „ X 75. 



12. Coupling-spine, inner plate, maxillipeds. „ „ ., ,, X 435. 



13. First gnathopod (the feathering of the setaj on joints 3-6 not shown). 



Norman's specimen, young (?, 2'5mm. X 95. 



14. Fii-st sideplate „ ,, young $ , 2'75 mm. X 95. 



15. First gnathopod. Chevreux's specimen, large c?, 5'25 mm X 40. 



3 6. Fii'st sideplate. Grube's specimen, large ? X 40. 



17. Finger and palm, first gnathopod. Grube's specimen, large $ X 95. 



(The other setse omitted in order to show the palmar spmes clearly.) 



18. Finger and ptllm, first gnathopod. Chevreux's specimen, large ^ ... X 95. 



19. Finger of second gnathopod. Norman's specimen, $ X 290. 



20. „ „ „ Chevreux's specimen, S X 145. 



21. Sensory spine, 6th joint, pertBopod 4. ,, ,, ,, X 300. 



22. Tip of '4tli cleft spine, pleopod 1. „ „ ,', X 300. 



23. Third uropod. Norman's specimen, young ? , 2'75 mm X 290. 



24. „ ,, ('lievreux's specimen, large (?,525mm X 95. 



25. ,, „ Grube's specimen, large ? X 75. 



26. Uropods and telson. Chevreux's specimen, large (J, 6 mm X 40. 



27. Apex of telson. ,, „ „ „ X 58. 



28. ,, „ Grube's specimen, ?,5omra X 58. 



