INDEX 



567 



Anapophyses, 62 



Annulus tympanicus, 105 



Anosmatic, 269 



An.tibrachium, 160 



Antlers, 130 



Anus, 308 



Aortic arches, 398-414 



Aponeuroses, 175 



Aponeurosis, pulmonary, 382 



Appendages, 13 



Appendices auriculae, 400 



Apteria, 28 



Aqueduct of Sylvius, 204 



Aqueductus cochleae, 304 



Arachnoid, 196 



Arachnoid fluid, 198 



Archenteron, 6 



Arches, neural and haemal, 47 



pleural, 63 



Archinephric duct. 443 

 Archipterygium, 137 

 Arcualia, 47 

 Argentea, 280 

 Arrectores pilorum, of Mammals, 33 



plumarum, of Birds, 25 

 Arterial arches, 398-414 

 Arteries, 393-399, 414-419 

 Artiodactyle foot, 171 

 Arytenoid cartilages, 367 

 Asterospondylic vertebra, 51 

 Astragalus, 161 

 Atlas of Reptiles, 57, 58 ; of Birds, 59 ; 



of Mammals, 62 



Atrial chamber of Amphioxus, 352 

 Auditory capsule, 77 



organ, 290-307: development of, 

 290 ; relation to air-bladder, 297 



ossicles, 133, 295, 303 

 Auricula, 295 

 Auto-intoxication, 496 

 Autostoses, 80 

 Autostylic skull, 88 

 Axis, 58, 59, 62 

 Axis-fibre, 193 



B 



"Balancers" of Urodeles, 271, 361 



Baleen, 31 



Barbicels, 27 



Barbs, 26 



Barbules, 26 



Basalia, 155 



Basal plate, 77 



Basal processes of vertebral column, 49 



Basidorsals, 49 



Basihyal, 81 



Basilar membrane, 298 



Basipterygia, 136, 138, 155 



Basiventrals, 50 



Bicuspid valve, 411 



Bidder's organ, 472 



Bile-duct, 348 



Biserial fin, 137, 157 



Blastocrele, 4 



Blastoderm, 5 

 Blastomeres, 4 

 Blastopore, 6, 308 

 Blastosphere, 4 

 Blastula, 4 

 Blood, 394 



corpuscles, 394 



vessels, 393 

 Bodies of vertebra, 47 

 Body-axis, 13 

 Body-cavity, 8, 12, 76, 388 

 Bones, cartilage, 45 



dermal, 41, 42 



epineural, 65 



epipleural, 65 



intermuscular, 65, 42, 67, 172 



investing, 45 



membrane, 45 



replacing, 45 

 Bowman's capsule, 445 

 Brachial swelling, 198 

 Brachium, 160 

 Brain, development, 195 



membranes, 195 



general structure, 199 



pallium, 200 



convolutions, 201, 225 



optic vesicles, 201 



epiphysis, 202, 215 



hypophysis, 202 



ventricles, 195. 203 



saccus vasculosus, 203, 210 

 Brain-case, 75 

 Branchue, 310, 351 

 Branchial arches, 75, 81, 100 

 Branchial basket of Cyclostomes, 86 

 Branchial clefts, 75, 352-359 

 Branchiostegal membrane and rays, 90, 



95 



Breast-bone, 12 

 Bronchi, 362-387 

 Bronchioli, 382 

 Bulbi vestibuli, 492 

 Bulbus arteriosus, 395 

 Bulla tympani, 130 

 Buuodont teeth, 321 

 Burr, 130 

 Bursa entiana, 335 



Fabricii, 340 



Crecum, 311, 336, 339 

 Calamus, 26 

 Calcaneal process, 165 

 Calcaneum, 161 

 Calcareous bodies, 298 

 Calyces of ureter, 461 

 Campanula Halleri, 279 

 Camptotrichia, 137 

 Canalis reuniens, 299 

 Cannon-bone, 171 

 Capillaries, 393 

 Capitulum, 68, 69 

 Carapace, 43 



