RED SEA AND INDIAN OCEAN COPEPODA. 409 



Oithona plumifera has not previously been recorded 

 from the Red Sea. Mr. Thompson records it from the 

 Indian Ocean, and Professor Cleve from the Arabian Sea 

 and Malay Archipelago. 



Oithona similis, Claus. 

 Occurrence, Nos. 1, 2, 5, 6, 7, 8, 9, 10, 15, 16, 17, 18, 19. 



This Oithona has already been recorded from the Red 

 Sea and Indian Ocean by Mr. Thompson. Professor Cleve 

 records it from the Arabian Sea, and doubtfully from the 

 Malay Archipelago. 



Oithona minuta, T. Scott. 

 Occurrence, Nos. 4, 7, 8, 12, 16, 19. 



This very small but quite distinct species occurred 

 sparingly in the gatherings referred to. It does not appear 

 to have been recorded from any other region excepting 

 the Gulf of Guinea, where it was first found. 



Longipedia coronata, Claus. 

 Occurrence No. 1. Near Suez. 



Not previously recorded from this region. 



Ectinosoma atlanticum (Brady & Robertson). 

 Occurrence, Nos. 1, 4, 8, 11, 16, 17, 19. 



This species has a wide distribution, and ranges from 

 the Faroe Channel to the warm seas 



Euterpe acutifrons (Dana). 

 Occurrence, Nos. 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 13. 

 This species has also a wide distribution. 



Setella gracilis, Dana. 

 Occurrence, Nos. 1, 2, 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 17, 

 18,19. 



Miraeia efferata, Dana. 

 Occurrence No. 13. A night gathering. 



