560 flyale 



IGnathopod 2 in (5. bind inargin of tjtl' Joint 

 extremely short — 5. 

 Gnathopod 2 in <S, hind margin of 6tli Joint 

 not extremely short — 11. 



_ ( Guathopod l in cj, finger strongly furcate . 4. H. diplodactyla . . . p. 562 

 I ünathopod 1 in (5, finger not strongly furcate — 6. 



iGnathopod 1 in S, Bth Joint with hump on 

 front margin 5. H. galateae p. 563 

 Grnathopod 1 in cj, 6tli Joint with smooth 

 front margin — 7. 



(Gnathopod 1 in (5, 6tli Joint with serrulate 

 distal margin 6. H. maroubrae . . . . p. 563 

 Grnathopod 1 in (5, 6tli Joint without serrulate 

 distal margin — 8. 



Gnathopod 2 in (5, palm densely fringed with 



setules — 9. 

 Gnathopod 2 in (5", palm not densely fringed 



with setules — 11. 



Eyes renifonn 7. H. graminea .... p. 564 



Eyes not reniform — 10. 



Gnathopod 2 in cj, finger not nearly as long 



as 6th Joint . 8. H. hirtipalma . . . . p. 564 



Gnathopod 2 in (J, finger nearly as long 



as 6tli Joint 9. H. maci'odactyla. . . p. 564 



Gnathopod 1 in ^, finger with subapical 



constriction 10. H. aquilina ..... p. 565 



Gnathopod 1 in (5, finger without subapical 



constriction — - 12. 



Peraeopods 4 and 5, 6tli Joint with spine and 



setae on mid hind margin 11. H. prevostii p. 565 



Peraeopods 4 and 5, 6th Joint with smooth 



hind margin — 13. 



10 



11 



12 



13 



f Antenna 2 stout — 14. 



Antenna 2 not stout ■ — 17. 



{Peraeopods 1 — 5, finger distinctly though 

 microscopically pectinate — 15. 

 Peraeopods 1 — 5, finger not distinctly 

 pectinate — ■ 16. 

 {Uropod 1, marginal spines on only one of 

 the rami 12. H. grandieornis . . . p. 566 

 Uropod 1, marginal spines on both rami . . 13. H. novaezealandiae . p. 567 



16 



i Gnathopod 1 in (5, 6tliJoint distally narrowed 14. H. grimaldii p. 567 



\ Gnathopod 1 in (J, 6tli Joint distally widened 15. H. crassicornis . . . p. 568 



{Peraeopods 3 — 5, 6tli Joint with a very con- 

 spicuous serrate spine — 18. 

 Peraeopods 3— 5, 6thjointwithno exceptionally 

 conspicuous serrate spine — 19. 

 i Gnathopod 1 in cj, 5tli Joint produced along 6th 16. H. pontica p. 568 

 Gnathopod 1 in (5', 5th Joint not produced 

 along 6tli 17. H. media p. 569 



{Peraeopods 1 — 5, setule on inner margin of 

 finger strong 18. H. perieri p. 570 

 Peraeopods 1 — 5, setule on inner margin of 

 finger weak — 20. 



