320 



INDEX 



Arthrobranch gill, 94 



Arthropoda, 316 



Articular bone, 264 (pigeon) ; facets, 164, 220, 



222, 238, 254, 258, 300, 302, 304, 310 

 Ascon sponge, 14, 18; transverse section, 20; 



316 

 Astaous, 88-112, 316. See Crayfish. 

 Astragalus, 220, 256, 310 

 Atlas vertebra : Frog, 220 ; pigeon, 258 ; rabbit, 



298 

 Atrial aperture (atriopore) of Amphioxus, 142 

 Atrial cavity (atrium) of Amphioxus, 142, 144, 



148 

 Atrium. See Auricle 

 Auditory aperture. See Aperture 

 Auditory capsule : Dogfish, 186 ; rabbit, 292, 



312 ; meatus, external, 296 ; organ, 88, 182, 



186, 266 ; ossicle, 264, 312 

 Auricle of heart, 116, 134, 136, 166, 170, 202, 



212, 246, 282 

 Aves (Birds), 316 

 Axial skeleton. See Skeleton 

 Axis vertebra : Pigeon, 260 ; rabbit, 300 



Backbone. See Vertebral column 



Baler. See Scaphognathite 



Barbs, 30, 236 



Barbules, 236 



Basi-occipital, 226, 262, 292 



Basipodite, 98, 100 



Basi-sphenoid, 260, 262, 292 



Basi-sphenoidal rostrum, 264 



Basi-temporal, 260, 262 



Bastard wing. See Ala spuria 



Beak, 236, 262 



Beef Tape-worm, 46 



Bicipital groove, 304 



Bile-duct, 158, 194, 242, 244 



Birds. See Aves 



Bivalves. See Lamellibranchiata or Pelecypoda 



Bladder, 214, 272 



Bladder-worms, 272 



Blood capillaries, 62, 66, 72, 146 



Blood sinus, cardinal, 168, 184; dorsal, 66, 72 ; 

 hepatic, 168; lateral, 72 ; ofCuvier. jSeeDuct; 

 venosus, 166, 170, 202, 212.; ventral, 66, 72 



Blood system : !Earth-worm, 56, 58 ; leech, 66 ; 

 crayfish, 104, 110; Amphioxus, 146; dog- 

 fish, 158, 166 ; frog, 190, 192 ; Xenopus, 192 ; 

 pigeon, 246, 248 ; rabbit, 272, 282 



Blood vessel, afferent and efferent, 94 ; dorsal, 

 54, 56, 62, 66 ; lateral, 66, 72 ; sub-intestinal 

 or ventral, 56, 62 ; sub-neural, 62 



Body : Tape-worm, 48 ; earth-worm, 54, 60, 62 ; 

 leech, 64, 70 (transverse section) ; Amphioxus, 

 148, 150 (transverse sections); skate, 154; 

 rabbit, 266 



Body-cavity. See Coelome 



Bojanus, organ of, 134 ( Anodonta) 



Bone, cartilage (substitution or replacement), 

 292 ; membrane or investment, 292 ; sesa- 

 moid, 256, 310 



Botryoidal tissue of Hirudo, 10, 72 



Brain : Earth-worm, 58 ; cockroach, 84 ; dog- 

 fish, 176, 178, 180; skate, 186; frog, 226, 

 232 ; pigeon, 264 



Branchiae. See Gills 



Branchial arches, 176 



Branchial clefts. iSee Gill-slits 



Branchial vessels. See Afferent and efteren t 



branchial arteries 

 Branchio-cardiac groove, 88 

 Branchiostegite or gill-cover, 88 

 Branchiostoma. See Amphioxus 

 Breast-bone. See Sternum 

 Bronchi, 244, 268 



Buccal or mouth cavity, 56, 82, 144, 190, 236 

 Buccal cartilage, 144; cirri, 142, 144; mass, 118 



(snail) ; skeleton, 144 

 Budding or gemmation, 14 

 Buds, daughter, 28 

 Bulbus arteriosus, 170 

 Bulla, tympanic, 296 

 Bursa Fabricii, 240 

 Byssus, 126, 134, 316 



CiBOA, 40, 44 



Cfficum : Crayfish, 104 ; rabbit, 270, 272 



Calamus or quill, 236 



Calcaneum (os calcis orfibulare), 220, 256, 310 



Calcarea, 18, 20, 22, 316 



Calciferous glands or oesophageal pouches, 56 



Canal, ampullary, 152 ; coelomic, 148, 150 ; 

 collecting, 8 ; excretory, 50, 52 ; incurrent or 

 inhalent, 14, 16, 18, 20 ; neural, 300. See 

 Vertebra ; perioardio-peritoneal, 170 ; radial, 

 14, 16, 18, ^0, 22; reno-pericardial, 116; 

 semicircular, 182, 186 ; urino-genital, 290 ; 

 vertebra-arterial, 258, 298 



Canal system of Sponges, ,14, 16 ; types of, 18, 

 316 



Capillary tubules, 40 



Capitulum of rib, 260, 300, 302, 304 



Carapace or cephalo-thoracic shield, 88 



Cardiac chamber of stomach, 104, 158, 272 



Cardo, 80, 82 (cockroach) 



Carina or keel, 240, 316 



Carinatae (Flying Birds), 316 



Carpal bones, 218, 254, 306 



Carpo-metacarpus, 254 



Carpopodite, 98 



Carpus or wrist, 218, 254, 306 



Cartilage, 144, 224 



Cartilage bones, 292 ; buccal, 144 ; odonto- 

 phoral, 124 



Caudal region of vertebral column, 260, 298, 304 



Centrum, 154, 220. See Vertebra 



Cephalic cone or head lobe, 40 



Cephalochorda, 316 



Cephalo-thoracio shield. See Carapace 



Ceratohyal, 176 



Cerci, 76 (cockroach) 



Cere, 236 



Cerebellum, 178, 228, 264 



Cerebral hemispheres, 1 76, 226, 264 ; vesicle, 

 148 



Cerebrum. jSee Fore-brain 



Cervical groove, 88 



Cervical region of vertebral column, 256, 298 



Cervical rib, 300 



Cestoda (Tape-worms), 316 



Chsetae or setae, 54, 54, 56, 60, 62, 80, 82 



Chffitopoda (Bristle-worms), 316 



Chela, 98 



Cheliped, 88, 98 



Chihta (South African Earth-worm), 62 



Chitin, 76, 80 



Choanocytes (collar-cells), 16, 18, 20, 316 



Chondrocranium, 224, 292 



