An Artificially Maintained Trout Population in a Northland Lake
Some Developments in Tagging Techniques
An Adverse Effect of Coelomic Fluid on Unspawned Ova in Trout
Observations on Excessive Weed Growth in Two Lakes in New Zealand
The Hazard Presented to Freshwater Life by Aerial Copper Spraying
A Seiche Movement and Its Effect on the Hydrology of Lake Victoria
Some Effects of External Conditions Upon the Water Content of Rainbow Trout in New Zealand Lakes
Lakes
Craspedacusta Sowerbyi Lankester (coelenterata: Limnomedusae) in New Zealand Lakes
Further Records of Craspedacusta Sowerbyi Lankester in North Island Lakes (note)
Limnological Changes in a Small Lake Stocked with Grass Carp
Fluctuations in the Chemical Composition of Two Lakeweeds from New Zealand
The Oxygen Content of Some New Zealand Lakes
The Fallout of Nitrogen and Phosphorus Compounds from the Atmosphere at Ngapuna, Near Rotorua, New Zealand
Lake Rerewhakaaitu - an Apparently Phosphate-free Lake
Nitrogen and Phosphorus in the Sediments of Lake Rotorua
Nitrogen and Phosphorus Analyses of Rainfall at Rotorua, New Zealand
An Examination of the Trout Population of Five Lakes Near Rotorua, New Zealand
Limnological Conditions and Growth of Trout in Three Lakes Near Rotorua
Some Effects of the Destruction of Aquatic Weeds in Lake Rotoiti, New Zealand