X CONTENTS 



Chapter Page 

 XXI. Tribes and families of the Isox^oda ; the claw-bear- 

 ing tribe ...... 314 



XXII. Isopoda with a caudal fan, a vast and varied tribe . 330 



XXIII. The tribe with a valve -bearing tail . . . 369 



XXIV. Tribe of the Asellota ; including strange shaj^es 



and anomalous limbs .... 376 



XXV. New tribe of the Phreatoicidea, from wells and 



mountain-streams ..... 388 



XXVI. Parasitic Isopods ; their singular habits and trans- 

 formations ...... 392 



XXVII. Woodlice and other terrestrial Isopods . . 420 



XXVIII. The Amphipoda conspicuous by their absence . 436 



Index . . . . . .437 



TABLES OF CLASSIFICATION 



The class Crustacea 



The suborder Brachyura 



The suborder Macrura . 



Affiliation of the larvEe of the Squillidae 



Distinctive characters of Cumacean families 



The suborder Isopoda . 



Synopsis of the Cymothoid group 



Genealogy of the Epicaridea ; their Crustacean hosts 



Genealogy of the Entoniscidse . 



Genera of the Oniscidse . 



Genera of the Armadillididae • 



49 

 54 

 148 

 290 

 312 

 314 

 340 

 393 

 405 

 420 

 433 



