CONTESTS. 



Introduction p. 1. 



I. Historical notes on the Oxycephalids. 



Bibliography 2. 



II. The systematical position of the Oxycephalids. 



Characteristics for the distinction of the subtribes of the Am- 



phipoda Hyperiidea 14. 



Characteristics for the distinction of the families of the Hype- 

 riidea curvicornia 15. 



Characteristics for the distinction of the genera and species among 



the Oxycephalids 16. 



Synoptical table of the families of the Amphipoda Hyperiidea . 17. 



III. Morphological notes on the Oxycephalids. 



1 . The shape of the body 20. 



2. The integument 21. 



3. The head 22. 



4. The eyes 23. 



5. The first pair of antennas 24. 



6. The second pair of antennas 26. 



7. The mouth-organs 28. 



8. The perseon and its appendages 30. 



9. The pleon and its appendages 36. 



10. The urus and its appendages 37. 



11. The nervous system 41. 



12. The glands 41. 



13. The young > 43. 



IT. The Oxycephalidean genera and species, 



The family Oxycephalidas _ 45. 



Synoptical table of the genera 46. 



1. Simorhynchotus 47. 



S. antennarius 49. 



S. Stebbingi 50. 



S. Lilljeborgi 52. 



2. Oxycephalus 54. 



O. piscator ... 56. 



O. Clausi .... 60. 



43776G 



