LAND CRUSTACEANS. 



By L. a. Borradaile, M.A., Lecturer in Natural Sciences of Selivyn College, 



Cambridge. 



(With Plate III. and text-figures 12—23.) 



CONTENTS. 



I. Introduction. 

 II. The Land Crustaceans of Minikoi. 



1. General : the species and their habitats. 



2. Some points in the structure and habits of the land hermit-crabs (Coenobita). 



i. External features : structure and function : systematic, 

 ii. The Alimentary Canal. A. The fore-gut : deglutition. B. The mid-gut and liver. 



C. The hind-gut and anal valve. 

 iii. The Vascular System, 

 iv. The Breathing Organs : the three respiratory regions and their blood supply : the 



moistening of the gills : the movements of the scaphognathite. 

 V. The Kidneys, 

 vi. The Nervous System, 

 vii. The Generative Organs, 

 viii. Reproduction : the eggs and young, 

 ix. Notes on the habits : life under water, food, shells, sound-apparatus, etc. 



•3. Some notes on the land crabs of the genus Ocypode. 



i. Ocypode ceratophthalma. 

 ii. Ocypode cordiniana. 



TIT. A list of tlie land and fresh-water Crustaceans collected in the Maldive Islands. 



