INDEX. 



Abdomen: CfrajyfoA, 128 ; Coct^-oocA, 155-156 

 Abdominal appendage : CrayJUh^ 129-130 ; Cockroach, 158-159 

 Abdominal pore : Dog-JUh, 197, 214 



Abdominal viscera : Dog-fish, 213-314 ; StMit, 303-305 Pigeon, 392-393 

 Acetabulum : RaiUt, 290 ; Fowl, 379 

 Acromion : Rabbit, 286 

 Adrenal body : Rabbit, 304 ; Pigeon, 408-409 

 After-shaft : Pigeon, 386 

 Air-sacs : Pigeon, 389-391 

 Alffi cordis : Crayfish, 139 

 ' Ala spuria : Pigeon, 385 

 Albumen gland : Snail, 107, 116 

 AU-sphenoid : Rabbit, 269 ; Foal, 368 

 Alimentary canal, see Digestive System 

 Alternation of generations : lAver-fiuke, 25 

 Alveolus : Rabbit, 377 

 Amceba, 1-3 



Amphioxus, 168-193 : external characters, 169 ; skeletal system, 171-172 ; muscular 

 system, 172-173 ; digestive and respiratory systems, 173-174 ; atrial 

 cavity, 176-176 ; coelom, 176 ; circulatory system, 177-178 ; excretory 

 system, 178: nervous system, 178-181 ; sense organs, 181 ; reproduc- 

 tive system, 181-182 ; transverse sections, 182-193 

 Anapophysis, see Vertebra 

 Angular bone : Fowl, 373 

 Ankle, see Tarsus 

 Ankle-joint : Foal, 381 

 Annulus : Leech, 37 ; Earthaorm, 56 

 Anodonta, see Mussel 

 Antenna : Crayfish, 133 ; Cochioach, 156 

 Antennule : Crayfish, 133 

 Anti-troohanter : Foal, 379 



Anus : Paramecium, 5 ; YortieeUa, 8 ; Leech, 38 ; Earthworm, 57 ; Mussel, 83, 9o ; i:ynail, 

 104 ; Crayfish, 128, 142 ; Cockroach, 156, 162 ; Amphioxus, 169, 193 ; Rabbit, 297 

 Aorta : Mussel, 88-89 ; Snail, 122-123 ; Rabbit, 314, 318-321 ; Pigeon, 401-404 

 cardiac : Amphioxus, 177, 178, 188 ; Dog-fish, 227 



dorsal : Amphioxus, 177, 188, 192,193 ; Dog-fish, 229, 230-232 ; Pigeon, 403-404 

 Aortic arch : Amphioxus, 177 

 Aperture, see also Foramen 



auditory : Crayfish, 133 ; SaMU, 282 ; Pigeon, 388 



cloacal : Mussel, 83 ; Dog-fish, 196 ; Pigeon, 387 



excretory : Liver-fiuke, 28 ; Leech, 38 ; Earthworm, 57 ; Mussel, 91, 98 ; STiail, 



111; Crayfish, m 

 exhalent : Mussel, 83 



external : Leech, 38 ; Earthworm, 57-58 ; Mussel, 82-83 ; Snail, 104-105 ; Cock- 

 roach, 166 ; Dog-fish, 196-197 ; Pigeon, 387-388 

 genital : Uxer-fiuke, 26, 30, 31 ; Leech, 38 ; Earthaorm, 57 ; Mussel, 91, 98 ; 



Snail, 104, 117 ; Crayfish, 131 ; Cockroach, 156 

 hyoidean : Amphioxus, 173 

 inhalent : Mussel, 83 

 of Eustachian canal : RaJibit, 282 ; Fowl, 366, 367 



