RED SEA AND INDIAN OCEAN COPEPODA. 421 



Corycceus carinatus, Giesbrecht. 

 Occurrence, Nos. 16, 18. 



Mr. Thompson records this species from the middle of 

 the Indian Ocean. It has also been recorded from the 

 Pacific. 



Corycceus furcifer, Claus. 

 Occurrence, No. 9. Gulf of Aden. 



Not previously recorded from this region. 



Corycceus gracilicaudatus, Giesbrecht. 

 Occurrence, No. 9. Gulf of Aden. 



Professor Cleve records this species from the Indian 

 Ocean and Malay Archipelago. 



Corycceus obtusus, Dana. 

 Occurrence, Nos. 1, 4, 6, 8, 9, 10, 12, 14, 19. 



There appear to be no previous records from the Gulf 

 of Suez or Red Sea. Professor Cleve records it from the 

 Arabian Sea, Indian Ocean, and Malay Archipelago. 



Corycceus concinnus, Dana. 

 Occurrence, Nos. 12, 13, 14, 15, 16,17, 18, 19. 



Corycceus lubbocki, Giesbrecht. 

 Occurrence, Nos. 4, 5, 7, 8, 12, 13, 14, 16, 17, 19. 



The last two Corycceus have not previously been recorded 

 from the region traversed by the Robinson collection. 



The two following species of Ostracoda were observed in 

 the collection : — 



Philomedes gibbosa. (Dana.) 

 Occurrence, Nos. 2, 3, 4, 6, 18. 



Halocypris atlantica, Lubbock. 

 Occurrence, Nos. 4, 13. 



