INDEX 



Abdominal sense-organs, 159 



Accessory branchial organs, 141 



Acorn barnacles, 39 



Air-bladder, 144, 151 



Air-breathers, 19, 141 



Alciopida;, 44 



Alcock, A., 106, 117 



Alytes, 97, 134 



Amia, 135 



Ammocoetes, 163 



Amnion, 16 



Amphibia, 19, 142 



Amphinome, 40 



Ampkioxus, 21, 45, 46, 72, 85, 1 39, 



I5I. 153* i6 3 

 Ampullaria, 18 



Anabas, 141 



Analogy (see Parallelism) 



Annelid Theory, 164 



Annelida, 43, 77. "8, 129, 139, 



153. 157, 161 o o 

 Anterior neuropore, 83, 85 



Ants, 63, 114, 119 

 Appendiadaria, 38 

 Appendiculata, 70, 78, 82, 125 

 Aquatic animals, 17 

 Arachnoidea, 148, 166 

 Arboreal mammals, 28, 57 

 Area, 158, 161 

 Archenteron, 77 

 Arius, 131, 137, 146 

 Arixenia, 115 

 Arthropoda, 148 

 Ascidians (see Tunicata) 

 Asphyxiation, 18 

 Aspredo, 133 

 Assheton, R., 144 

 Atheston, L., 119 

 Auditory organs, 82 

 Autotomy, 63 



BALANOGLOSSUS 



pneusta) 

 Balanus, 39 



{see Entero- 



Balfour, F. M., 72 

 Barnacles (see Cirripedes) 

 Batesian mimicry, 55 

 Bateson, W., 72, 97, 122 

 Bather, F. A., 36 

 Batrachia, 19, 92, 96 

 Bats, 23, 89, 105 

 Beddard, F. E., 46 

 Beebe, C. W., 60 

 Belone, 155 

 Belostomatidse, 134 

 Bioccenosis, 114 

 Birds, 89, 123, 151 

 Birgus, 18 

 Blenny, 140 

 Boake, B., 131, 141 

 Boeke, J., 136 

 Bois-Reymond, E. du, 51 

 Boulenger, C. L., 132 



, G. A., 95, 102 



Boveri, Th., 153 

 Brain-power, 103, 157, 165 

 Branchiata, 148 

 Branchiotrema, 150 

 Brood-nursing (see Incubation) 

 Bruce, W. S., 100 

 Buckland, F. T., 22, 30, 52, 92 

 Budge tt, J. S., 136 

 Bufonidse, 102 

 Bulbuls, 22 

 Burne, R. H., 145 

 Burrowing mammals, 29, 56, 80 

 Butterflies, 27, 59 



Caluchroma, 55 



Calotes, 22, 50 



Camper, P., 152 



Capitellidoe, 158, 162 



Cartilaginous fishes, 94 



Cat's eye, 92 



Cave, W. A., 59 



Cell-theory, 4 



Cephalisation, 70, 113 



Cephalopoda, 33, 70, 95> '37, 168 



173 



