INDEX 



{Page Numbers in thick type indicate Illustrations.) 



Abdomen, 74, 266 



Abdominal or peritoneal cavity, 152, 170 



Abdominal viscera, 268 



Acanthias, syn. Squalus (Spiny dogfish), 152-186, 

 316. See Dogfish 



Acetabulum, 218,. 254, 256, 308, 310, 314 



Acontia, 38 



Acrania, 316 



Acro-coraooid, 252 



Acromion, 252, 304 



Actinia, 34-38, 316. See Sea-anemone 



Actinozoa or Anthozoa, 316 



Adrenal body : Frog, 214 ; pigeon, 250 ; rabbit, 

 270, 286 



Afferent branchial system. See Afferent bran- 

 chial artery • 



Aftershaft or hjrporachis, 236 



Air-bladder, 316 



Air-sacs, 238, 242, 244 



Air-tubes. See Tracheae 



Ala spuria or bastard wing, 236 



Albumen gland. See Gland 



Alimentary system. Alimentary canal : Liver- 

 fluke, 40; earth-worm, 56, 58; leech, 66, 68; 

 cockroach, 82, 84 ; crayfish, 104, 108 ; craw- 

 fish, 104, 110 ; snail, 118 ; fresh-water 

 mussel, 136, 138; marine mussel, 138; 

 Amphioxus, Hi, 1^6 ; dogfish, 156, 158; skate, 

 158, 160; frog, 194, 196, 212; Xenopus, 

 194, 196, 212; pigeon, 242, 244; rabbit, 

 272, 276 



Alisphenoid, 224, 226, 292 



Amoeba (Proteus Animalcule), 2-4; form and 

 general structure, 2 ; 316 



Amoebocytes, 16, 34 



Amphibia, 316 



Amphiccelous. See Vertebra 



Amphioxus, syn. Branchiostoma (Lancelet), 142- 

 150 ; external features, 142 ; skeletal and 

 alimentary systems, 144, 146 ; circulatory, 

 muscular and reproductive systems, 146 ; 

 nervous system, 148 ; transverse sections, 

 148, 150; 316 



Ampullary canals, 152 



Anapophysis, 302 



Angular bone, 264 ; process, 296 



Angulo-splenial, 226 



Ankle. See Tarsus 



Ankle-joint, 256 



Annelida (Segmented Worms), 316 



Annuli, 54, 64 



Anodonta, 126-140, 316. See Fresh-water 

 mussel 



Antenna : Cockroach, 74, 80 ; crayfish, 88, 96, 

 102; crawfish, 88, 100, 102 



Antennule : Crayfish, 88, 96, 102 ; crawfish, 88, 

 100, 102 



Anti-trochanter, 254 



Anura or Ecaudata, 316 



Anus : Paramecium, 8 ; earth-worm, 56 ; 

 leech, 64, 66 ; cockroach, 74, 84 ; crayfish, 

 94, 104; snail, 114, 118; mussel, 138; 

 Amphioxus, 142, 144 ; dogfish, 158 ; rabbit, 

 266 



Aorta, 136 (mussel); dorsal, 146, 154, 170, 174, 

 208, 210, 248, 276, 284, 286; ventral, 146, 

 166, 170, 202, 208, 212 



Aortic arch, 246, 248, 284, 286 



Aperture, atrial (atriopore), 142; auditory, 

 236 ; auriculo-ventricular, 212 ; buccal, 142 ; 

 oloacal. See Cloaca ; Eustachian, 190, 238 ; 

 excretory, 40, 56 (nephridiopore) ; genital, 40, 

 50, 60, 64, 70, 92, 106, 114, 120, 136 ; of ovi- 

 ducts, 56, 58, 158, 162, 250 ; of prostate ducts, 

 290 ; of seminal duets, 60 ; of spermathecse, 56 ; 

 of ureter, 116, 136, 290 ; of uterus masculinus, 

 290 ; of vasa deferentia, 56 ; pulmonary or 

 respiratory, 1 14 ; reno-pericardial. Helix, 

 116, Anodonta, 134, 136; respiratory (stig- 

 mata), 76 ; sinu-aurieular, 212 ; urino- 

 genital, 266 



Apopyles, 20, 22, 24 



Appendages, abdominal, 94 ; head, 78, 100 ; of 

 cockroach, 78, 80, 82 ; of crawfish, 88-102, 

 100; of crayfish, 88-102, 96; thoracic, 98 



Appendicular skeleton. See Skeleton 



Arm. See Fore-limb 



Arterial system : Dogfish, 158, 166, 168, 172, 

 174; skate, 158, 166, 170, 174; frog, 208, 

 210 ; Xenopus, 210 ; pigeon, 248 ; rabbit, 

 276, 278, 280, 286, 288 



Arterial systems, dorsal and ventral. See 

 Efferent and afferent branchial arteries. 



Artery, abdominal, 104, 110; antennary, 104; 

 brachial, 210, 246, 248 ; afferent branchial, 

 146, 166, 168, 170; efferent branchial, 146, 

 170, 172, 174; carotid arch, 208, 210; 

 common carotid, 170, 174, 208, 210, 248, 

 278, 286 ; external and internal carotid, 174, 

 248, 278, 286 ; posterior carotid, 174 ; caudal, 

 154, 250, 286; eoeliac, 158, 172, 248, 274, 

 276, 286 ; cceliaco -mesenteric, 208, 210 ; 

 cutaneous, 208, 210, 212 ; femoral, 250, 286 ; 

 hepatic, 104, 276, 286 ; hyoidean, 194 ; iliac, 

 206, 208, 210, 250, 286 ; ilio-lumbar, 286 ; 

 innominate, 170, 248, 286; laryngeal, 208; 

 lieno-gastrie, 158, 276, 286 ; lingual, 208, 210 ; 

 mesenteric, 158, 250, 274, 276, 286 ; anterior 

 mesenteric, 274, 276, 286 ; posterior mesenteric, 

 274, 286 ; occipito -vertebral, 208 ; oesophageal, 

 208 ; ophthalmic, 104 ; ovarian, 286 ; pectoral, 

 238, 248 ; peroneal, 208 ; pulmo-cutaneous 

 arch, 208, 212 ; pulmonary, 208, 212, 246, 250, 

 284 ; renal, 208, 210, 250, 286 ; scapular, 210 ; 

 sciatic, 208, 250 ; spermatic, 286 ; sternal, 

 104, 110 ; subclavian, 172, 208, 248, 286 ; 

 systemic arch, 208, 210; thoracic, 110; 

 tibial, 208 ; vertebral, 170, 174, 258 



