X CONTENTS 



Chapter Page- 



XXI. Tribes and families of the Isopoda ; 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 shapes 



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 . . . . . .49 



The suborder Brachyura . . . . .54 



The suborder Macrura ...... 148 



Affiliation of the larvae of the Squillidae . . . 290 



Distinctive characters of Cumacean families . . . 312 



The suborder Isopoda ...... 314 



Synopsis of the Cymothoid group .... 340 



Genealogy of the Epicaridea ; their Crustacean hosts. . 393 



Genealogy of the Entoniscidae ..... 405 



Genera of the Oniscidse ..... 426 



Genera of the Arrnadillididse . . . . 433 



