784 



INDEX. 



Aqueous humour of Eye. 



Arachnoidea, 



Arachnoid membrane, 

 „ fluid, . 



Araneidce, 



Area, . 



Arcella, 



ArchEEOceti, . 



Archasopteryx, 



Archegosaurus, 



Archenteron, . . 67 



Archerina, 



Archi-Annelida, . 



Archi-cerebrum, 



Archi-Chaatopoda, 



Archicffile, . 



Archigetes, . 



Archinephric duct = Segmental 

 duct, . 



Archipterygium of Fishes, 



Archoplasm, . 



Arctocyon, 



Arctoidea, 



Arctomys, 



Arctopithecini, 



Arenicola, 



,, Structure of, 



Argonauta, 



Argulus, 



Argyroneta, . 



Arion, . 



Aristotle's lantern, 



Arius, 



Armadillo (Crustacean), 



,, (Mammal), Exo- 

 skeleton of, 



Armadillos, . 



Arrow-worms, 



Artemia, 



Arterial arches of Vertebi'ates. 

 ,, system of embryo of 

 higher Vertebrates, 

 ,, ,, of Fish, 



,, ,, of Frog, 



,, ,, of Pigeon, 



,, of Rabbit, 



Arthrobranchs of Crayfish, 



Arthropoda, Classes of, . ; 

 ,, General characters of, 



Arthrostraca, .... 



PAGE 

 446 



438 



331 

 372 

 99 

 708 

 617 



557 

 ,448 

 98 

 211 

 271 

 211 

 176 

 171 



461 

 521 



45 

 717 



715 

 711 

 724 

 201 

 202-6 

 386 

 269 

 336 

 358 

 237 

 526 

 277 



690 

 690 

 222 

 269 



455 



455 

 455 

 542 

 610 



673 



264 



, 252 



253 

 269 



431, 5S6, 605 



. 246 



693 



693 



• 7" 



• 341 

 . 184 



. 183 



■ 117 

 401, 409 



■ 409 

 . 118 



• 277 



• 51 



• 372 

 . 526 



253-69 



• 235 

 229, 23s 



. 229 



I54> 



Articular, 

 Articulata, 

 Artiodactyla, . 



,, and Perisso- 



dactyla contrasted, 

 Arvicola, 

 Asaphus, 

 Ascaridae, 



Ascaris, .... 

 Ascetta, 

 Aseidia, 

 Ascidiacea, 



Ascon type (of Sponge 

 Asellus, 



Asexual reproduction, 

 Aspergillum, . 

 Aspredo, 

 Astacus, 

 Asteracanthion, 

 Asterias, 

 Asteroidea, 

 Astrtea, 

 Astropecten, . 

 Astrophyton, 

 Astrorhizidie, 

 Atavisms or Reversions, 



Atax, 



Ateles, 



Athecje, .... 



Atlanta, .... 



Atlantosaurus, 



Atlas vertebra, 



Atrial cavity, . . 401 



Atriopore of Amphioxus, 



Attida;, 



At)'pus, ..... 

 Auchenia, .... 

 Auditory capsules of skull, 

 ,, nerve. 

 ,, organs of Insects, 

 Aulastoma, .... 

 Aulosphasra. .... 

 ^Vurelia, . -133 



,, Life history of, 



,, Relatives of. 

 Auricles of Vertebrate heart, 

 Auricularia (of Holothuria), 

 Australian region, . 

 Autostylic, 

 A\es, sec Birds, 



142, 

 146, 



157 

 23s 

 236 

 106 

 83 



725 

 566 



357 

 593 

 660 

 416 

 416 

 336 

 336 

 696 

 427 

 441 

 3" 

 214 

 103 

 156 

 147 

 147 

 454 

 243 

 764 



534 

 595 



