Plankton-organisms from the Indian Ocean and 

 the Malay Archipelago. 



Pteropoda. ^ 



Clio (Creseis) conica (Esch.). Malay Archip., Bali Sound, May, abundant {t. 25,5; 

 s. 32,94). 



Gladocera. 



Evadnc tergestina Claus. 0£f Sumatra, 4° N. 100° E. March (t. 29,35; s. 30,84). 



Ostracoda. 



Paraconchoecia oblonga Claus. var. Malay Archip., Bali Sound, May, rr. (3 spec), 

 t. 25,5; s. 32,94 (Determination by J. Gunnar Andersson). 



^■-'•■:"' ':''' ''^-.i;!.^'*- ':->^"'" I"--. Copepoda. 



•■'-Ain { 1.11; 



Acartia erytliraea Giesbr. Malay Archip., -\- May to September {t. 27,6, mean of 9 

 obs. max. 29, min. 25,3; s. 32,52, mean of 9 obs. max. 33, so, min. 31, si). 



Acartia negligens Dana. Arahian Sea, 10° N. 64° E, (t. 26,7; s. 35,7?). — Malay 

 Archip., r. June — July (t. 26,6, mean of 3 obs. max. 28,35, min. 25,7; s. 33,57, mean of 

 3 obs. max. 33, ss, min. 33, oe). ii;',;'-; 7/ ■;.,!]•// 



Acartia spinicauda Giesbr. Malay Archip., r. May — September {t. 26,8, mean of 

 5 obs. max. 28,5, min. 25,3; s. 33,o5, mean of 5 obs. max. 33, so, min. 32,22). 



Acartia tonsa Dana. Malay Archip., r. July, September {t. 25,6 — 28, 50; s. 33,64 

 —32,43). 



Aci'Ocalanns gibber Giesbr. Malay ArcJdp., May — Sept. c. (t. 27,6, mean of 9 obs. 

 max. 29,35, min. 25,3; s. 32,57, mean of 9 obs. max. 33,88, min. 30,84). 



Acrocalanus gracilis Giesbr. Arabian Sea and Indian Ocean, 13° — 7° N. 52° — 79° E. 

 {t. 26,9, mean of 4 obs. max. 28, 15, min. 25, 1; ^<(. 35, 11, mean of 4 obs. max. 36, 20, min. 

 34,00). — Malay Archip., May to July -f-, Sept. r. (t. 26,4, mean of 7 obs. max. 28,5, 

 min. 25,3; s. 33,23, mean of 7 obs. max. 33, so. min. 32,43). 



^ Appeudicularia occurred in raost samples, collcctcd by AuKiviLLiUS in the Malay Archipelago, but 

 wcre not examiued. 



