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Sepioteuthis bilineata (Quoy and Gaimard, 1832) (Mollusca : Cephalopoda : Loliginidae), were observed in February 1970 laying egg capsules on an artificial reef off Goat Island, Leigh, Northland, New Zealand. The behaviour of the squid throughout the procedure of capsule placement is described. A description of the egg mass and the newly hatched squid is also given.

The chemical reaction that is associated with the further electro-oxidation of some aromatic hydrocarbons which form stable cation-radicals has been explored by a potential sweep method. When proton loss is unfavourable, an intermediate carbonium ion may be detected.

Time Lapse Kinematography is being increasingly used by research workers in the field of traffic engineering to define quantitatively the microscopic and macroscopic behaviour of traffic on the open highway and at channelized and signal-controlled intersections. The information obtained is being used to confirm and extend traffic flow theories and to provide the necessary field data to enable traffic situations to be realistically simulated on the electronic digital computor. The success of the method depends to a large extent on the reliability of the equipment used and the ease with which the analysis work can be carried out, since this part of the work can be extremely tedious. In this paper the authors describe in detail the equipment they have developed and used with success. The electronic time pulse unit which operates a standard Vinten Mark 3 16mm cine camera is portable and is powered by 12 volt lead acid accumulators and nickel cadmium button cells. The unit which incorporates two multiv...

Electrochemical techniques were used to show that in dipolar aprotic solvents superoxide ion is an effective nucleophile in substitution (with primary and secondary alkyl halides), elimination (with tertiary and 2-aryl ethyl halides), and addition (to activated double bonds). Mechanisms inferred from instrumental studies were confirmed by controlled-potential electrolysis.