LISTS OF SPECIES BY STATIONS 



99 



Station 80 

 February 24, 1929; 12° 39' S, 117° 22' \V; bottom depth, 3515 m; 54 species 



Depth of tow. 111 

 Temperature, °C 

 Sahnity, o/oo 

 \'olume of tow, cm' 



Acartia danae 



Acrocalanus gracilis 



monachus 



Calanus minor 



Calocalanus pavo 



Candacia aethiopica 



bispinosa 



norvegica 



simplex 



truncata 



Centropages calaninus. . . . 

 Clausocalanus arcuicornis. 

 Clytemnestra rostrata . . . . 



scutellata 



Corycaeus agilis 



catus 



crassiusculus 



longistylis 



speciosus 



typicus 



Eucalanus attenuatus 



crassus 



elongatus 



Euchaeta acuta 



marina 



Euchirella curticauda 



pulchra 



Farranula carinata c 



rostrata a 



Haloptilus acutifrons 



Labidocera detruncata 



Lubbockia squillimana 



Lucicutia clausii 



Mecynocera clausi 



IVIicrocalanus pusillus 



Microsetella rosea 



Oithona attenuata 



plumifera 



similis 



Oncaea curta 



media 



minuta a 



venusta a 



Paracalanus parvus a 



pygniaeus f 



Pseudocalanus minutus a 



Rhincalanus cornutus 



Sapphirina auronitens 4 



nigromaculata 2 



Scolecithrix danae 



Temora discaudata f 



stylifera 4 



ITndinula caroli f 



darwinii f 



We have here high temperature, salinit>', and h\drogen-ion 

 concentration in both tows, with practical!)- no \-ariation. 

 Thirty-one species were taken at the surface and 43 in the 

 50-meter tow. Thirty-four species (63 per cent) were present 

 in one tow but wholly absent from the other, and 20 were 

 taken in both tows. The 3 Eucalanus species, the 2 Euchirella 



species, Haloptilus. and Rhincalanus did not appear at the 

 surface; the Candacia, Corycaeus, Farranula. Labidocera, 

 Oncaea, and Undinula species were well di\ided between the 

 two tows. The 50-meter tow was two and a half times the 

 length of the surface tow and its volume was one and a half 

 times as great. 



