REPORT ON OCEANOGRAPHY 83 



tion of Hormosira banksii, including especially a determination of the 

 depth in sea water at which the compensation point is reached, by Mr. 

 C. B, Trevarthen. 



AUCKLAND INSTITUTE AND MUSEUM. 



A report entitled "Mollusca of the Cape Expedition" is now fin- 

 ished and awaits publication. It is primarily a report on the mollus- 

 can collections made during 1941^5 by personnel of the coast-watching 

 stations, but all previous molluscan records for the Southern Islands 

 of New Zealand are listed and evaluated. Forty-three new species are 

 described and the area is oriented into three marine provinces. 



Other reports in progress are (1) Mollusca of the BANZARE ex- 

 peditions (Macquarie, Kerguelen, Heard Islands and Antarctica, (2) Gas- 

 tropoda from the Galathea Expedition, (3) Benthic Molluscan faunu- 

 les from Hauraki Gulf, Bay of Plenty and Northland; ecological and 

 a correlation between animal communities and bottom textures. A. W. 

 B. Powell. 



Distribution study of the Red-billed gull by ringing at Three Kings 

 Islands. Field studies of sea birds during M.V. "Alert" expedition to 

 Antipodes and Bounty Islands in 1949. E. G. Turbott, 



UNIVERSITY OF OTAGO. 



In the Department of Zoology the following two papers of oceano- 

 graphic interest are in progress: 



Systematics and geographical distribution of New Zealand Ascid- 

 ians and the development, growth and life history of a local highly- 

 specialized compound ascidian, by Miss B. Brewin. 



Systematics and geographical distribution of New Zealand sponges, 

 by Mrs. S. Rind. 



PORTOBELLO MARINE BIOLOGICAL STATION. 



Amphipod systematics; wharf pile fauna studies in Otago Harbour; 

 Ecology of Crustacea and other bottom dwelling animals, by D. E. Hur- 

 ley. 



Neuromuscular system and behaviour of Coelenterates; Intertidal 



ecology, by Dr. E. Batham. 



CANTERBURY UNIVERSITY COLLEGE, CHRISTCHURCH. 



Mr. G. A. Knox has commenced a bottom sampling programme on 

 the continental shelf of Pegasus Bay and off Banks Peninsula. The 

 work will form the basis for a study of the relationship of the bottom 

 communities and the feeding habits- of fishes. He is continuing work 

 on the System^atics of New Zealand Polychaetes and on the intertidal 

 ecology of New Zealand rocky shores. Miss F. R. Nurse is engaged on 

 studies in New Zealand and Macquarie Island Turbellaria. Dr. R. L. 



