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The volumes in this series are all notebooks Majerus use in the field to record his findings. Very few are dated by year.

Lists of dates and numbers of Indian spotted ladybirds. Most pages blank with some loose sheets of ladybird diagrams and lab research instructions.

Notebook contains tables divided into 'day' and 'findings' columns. Some graphs also included.

Records pairs of male and female ladybirds which have been crossbred to produce eggs. Numbers of eggs and gender of each resulting ladybird is also given.

First page includes written background and summary of project to inject ladybirds with bacterium which is followed by experiment methods. Progress and problems encountered is also recorded giving calculations of infections. Tables and figures also present including hatch rate summary.

Mostly blank with some tables and numbers of males and females.

Records eggs and colour. Crossbreeding calculations towards back of notebook. Notes about experiment and hypothesis.

Various results given for mating rates between ladybirds.

Includes experiment results from tests conducted in Madingley Woods.