xNOTES ON BOOKS 279 



graphs on the structure and life-history of common British 



marine animals and plants. The following relate to 



Crustacea : 

 Memoir VI. Lepeophtheirus and Lernasa (Parasitic Copepoda). 



By A. Scott. 1 90 1. 

 Memoir XII. Gammarus (Amphipod). By M. Cussans. 



1904. 

 Memoir XIV. Ligia (Isopod). By C. G. Hewitt. 1907. 

 Memoir XVI. Cancer (Edible Crab). By /. Pearson. 



1908. 

 Descriptions of all the British species of Barnacles will be found 



in Darwin's " Monograph of the Sub-class Cirripedia.'' 



(Ray Society.) 2 vols. London, 1851-1854. 



