I. '08. 



186 



Fig. 9. 



Fig.lO. 

 Fig.ll. 

 Fig. 12. 

 Fig. 13. 



Fig. 14. 

 Fig. 15. 

 Fig. 16. 



Fig.17. 

 Fig. 18. 



Plate V. — continued. 



-Telson and uropods of a specimen measuring 



about 155 mm. J ... 

 -Telson of a specimen measuring about 15 mm., ... 

 -Lateral view of the same specimen, 

 -Mandible, ^ 



-First maxilla, | 



-Second maxilla, i ^f ^j^g same specimen. 



-First maxillipede, ) 



-Second maxillipede, 

 Third maxillipede, 



J 



-First maxillipede of a specimen measuring about 



16"5 mm.. 



Fig. 19. — -Second maxillipede of the same specimen. 

 Fig. 20. — Second maxillipede of a specimen measuring 



about 17 mm.. 

 Fig. 21. — Mandible of a specimen measuring 38 mm., 



Plate VI. 



Acanthephyra dehilis, A. Milne-Edwards. 



Fig. 1. — Lateral view of an adult male. 



Fig. 2. — Eye of a specimen 33 mm. in length, seen from 

 below^ 



Fig. 3. — First maxillipede of a specimen 33 mm. in length. 



Fig. 4. — Sixth abdominal somite and basal joints of uro- 

 pods, seen from below. 



Fig. 5. — Lateral view of a larva measuring 10*2 mm., ... 



Fig. 6. — Outline of egg to the same scale, 



Fig. 7. — Telson of the larva, 10'2 mm. in length, 



Fig. 8. — Antennal scale and antenna, ^ 



Fig. 9. — Third maxillipede, 



Fig.lO. — Second maxillipede, 



Fig.ll. — First maxillipede, 



Fig. 12. — Second maxilla, J 



Fig. 13.— Lateral view of a post-larvai specimen measuring 

 12-7 mm., 



Fig. 14. — Telson of the same specimen. 



Fig. 15. — Lateral view of a post-larval specimen, measur- 

 ing 15*8 mm., 



[Tlie black spots represent photophores.] 



Plate VII. 

 Ephyrina TJoshyni^ Wood-Mason, 



Fig. 1. — Lateral view of the Irish specimen. 



Fig. 2. — Mandible. 



Fig. 3. — First maxilla. 



Fig. 4. — Second maxilla. 



Fig. 5. — First maxillipede. 



Fig. 6. — Second maxillipede. 



Ephyrina Benedicti, Smith. 



Fig. 7. — Rostrum and eye of the Irish specimen. 



)> of the same specimen. 



15-5. 

 20. 

 7. 

 28-5. 

 28-5. 

 28-5. 

 15-5. 

 15-5. 

 15-5. 



20-5. 

 20-5. 



20-5. 

 20-5. 



X 3-5. 



X 18-5. 

 X 18-5. 



6 



8 



8 



9 



21 



19 



19 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 19 

 X 19 



X 7 

 X 32-5. 



X 6-5. 



2-5 



15. 



