CONTENTS. 
Introduction 
Chapter I. The lobsters and allied Crustacea; their zoological relations, habits, development, 
and use as food 
Natural history of the Crustacea 
Development of the Crustacea 
Family life in crayfish 
II. The American lobster; its economic importance and general habits 
Geographical range 
History and importance of the lobster fisheries in brief 
Capture, transportation, and acclimatization of the lobster 
Habits and instincts of the adult lobster 
Migratory instincts 
Movements of tagged lobsters 
Movements off Cape Cod and at Woods Hole 
Optimum temperature 
Influence of light and nocturnal habits 
Burrowing habits 
Food and preying habits 
Cannibalism ' 
Review of the instincts and intelligence of the adult lobster 
Color in the adult 
III. Giant lobsters 
Greatest size attained by the lobster 
IV. Molting 
The skin and shell 
Periods, conditions, and significance of molting 
The molting act 
Withdrawal of the big claws 
Molting of the “hammer claw” in the snapping shrimp Alpheus 
Changes in the skeleton preparatory to molting 
The gastroliths or stomach-stones 
Hardening of the new shell 
Relation of weight to length in adult 
Proportion of waste to edible parts in the lobster 
V. Enemies of the lobster 
Predaceous enemies 
Parasites and messmates 
Diseases and fatalities of the lobster 
VI. Anatomy of the lobster, with embryological and physiological notes 
Body 
Internal skeleton and head 
Appendages 
Mouth parts 
The slender legs 
Central nervous system 
Peripheral stomato-gastric system 
Sense organs 
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