1026 CLEVE, P. T., PLANKTON FROM THE RED SEA. 



A. ne^ligens Dana. — 22° N. 37' E. {temp. 23,65; sal. 39,5). 

 I found tliis species in the Arabian Sea. Noted from the Pacific 

 (26" S. — 20' N.) the Mediterranean and the tropical Atlantic. 



Acrocalanus gibber GiESBR. — Assab (Giesbr.). — I noted 

 this species from the Indian Ocean, Giesbrecht from Hongkong. 



A. gracilis GiESBR. — 13° — 19° N. 43°— 39 E. {temp. 

 24,8 — 25,5; sal. 36,35 — 38,8). — I found this species in samples 

 from the Arabian and Indian Oceans. Giesbrecht mentions it 

 from the Pacific, 4° S.— 20° N. 



A. longicoriiis GlESBR. — 16° N. 41° E. (iemp 24,5; sal. 

 37,41), many specimens. — I found this species in the Arabian 

 Sea. Giesbrecht mentions it from the Indian and Pacific Oce- 

 ans. I have met with it iu the tropical Atlantic. 



A. moiiachus GiESBR. — 22° — 19° N. 37° — 39' E. (temp. 

 23,65—25,5; sal. 39,5—38,8). I noted this species from the 

 Arabian Sea and Malay Archipelago. It occurs, according to 

 Giesbrecht, in the Pacific (115° — 119° W. 5° — 9° N.). 



Calamis Darwinii (LuBB.) — 13° N. 43° E. {temp. 24,8; 

 sal. 36,35). — Widely distributed in the tropical Indian and 

 Pacific Oceans; also in the tropical Atlantic (Brady, Giesbr.). 



C. minor (Claüs.) — 19°— 16° N. 39°— 41° E. {temp. 24,5— 

 25,5; sal. 37,41 — 38,8). — I noted this species from the Arabian 

 Sea. It occurs in the Mediterranean and the tropical Indian, 

 Pacific and Atlantic. 



Calocalaims payo (Dana.) — 19° N. 39° E. {temp. 25,5; 

 sal. 38,8). — Found in the tropical Pacific, the Mediterranean 

 and the tropical Atlantic. I noted it from the Malay Archi- 

 pelago. 



Centropag'es calaiünus (Dana). — 25 N. 36° E. {temp. 

 22,25; sal. 40,22). I noted this species from the Arabian Sea. 

 It occurs, according to Giesbrecht, in the tropical Pacific. 



C. Orsiuii GiESBR. — AssAB (GiESBR.). — I found this spe- 

 cies in the Arabian Sea (13° N. 52° E.). 



Clausocalanus arcuicornis (Dana). — 16° N. 41° E. {temp. 

 24,5; sal. 37,41), Assab (Giesbr.). — I found this species in 



