INDEX. 513 



Bespiratory system : Snail, 123 ; Cockroach, 173, 180 ; Amphioxus, 192, 204, 205 : Dog-fish, 



244 ; Pigeon, 435, 453-455 ; see also Gill, Lung 

 Restiform body : Bog-fish, 274, 285 

 Eetina : Dog-fish, 287 ; Chick, 482-3 

 Rib : Dog-fish, 224 ; Rabbit, 301 ; Fowl, 407 

 Rostrum : Crayfish, 144 ; Dog-fish, 227 ; Fowl, 412, 414 



Sacculus rotundus : Rabbit, 345 



Saccus vasculosus : Dog-fish, 283 



Sacrum : Rabbit, 300 ; Fowl, 406 



Salivary receptacle : Cockroach, 180 



Scale : Dog-fish, 221 



Scaphocerite : Crayfish, 151 



Scaphognathite : Crayfish, 150, 154 



Scapula : i?a6&t', 324 ; Fowl, 421 



Scapus : Pigeon, 431 



Sclerite : Crayfish, 141, 151 Cockroach, 171 



Sclerotic : Dog-fish, 286J 



Sclerotic plate Pigeon, 461 



Scrotal sac: Rabbit, 338, 364 



Scyllium, sec Dog-fish 



Secondary quill : Pigeon, 432 



Segmental organ, sec Nephridium 



Segmentation: Leech, 46; Earthworm, 66; Crayfish, 140; Cockroach, 169 ;~ Chick, 481 



Segmentation of skull : Rabbit, 304 



Sella turcica : Rabbit, 306 



Semicircular canal : Dog-fish, 228, 229, 288, 289 ; Pigeon, 463 



Seminal funnel : Earthworm, 80 



Sense-capsules ; Dog-fish, 225 ; Rabbit, 310 



Sense-organs : ZeecA, 59 ; Mussel, 108 ; <Snot7, 135 ; Crayfish, 165 ; Cockroach, 183 ; 



Amphioxus, 201 ; Dog-fish, 286 ; Pigeon, 459 ; CAic*, 482 

 Septum : Earthworm, 70, 96 ; Amphioxus, 191, 207 

 Septum auricularum : Rabbit, 360; Pigeon, 451 

 Septum interorbital : -FW, 409, 414 

 Septum lucidum : Rabbit, 394 

 Septum narium : Dog-fish, 227 ; Rabbit, 320 

 Septum obliquum : Pigeon, 439 



Sesamoid bone : -Rotot*, 291, 329 ; see oZso Fabella, Patella 

 Seta : Earthworm, 68, 85 

 Shell : JfusseZ, 90 ; Snai7, 117, 120 

 Shell-gland : Liver-fluke, 40 ; Tapeworm, 46 

 Sinus, blood: Zeec/j, 52, 54, 63; tfnaiJ, 138; Crayfish, 155 



anterior cardinal : Dog-fish, 250, 251 



coronary : Dog-fish, 262 



Ouvierian : Dog-fish, 250 



genital : Dog-fish, 253 



hepatic : Dog-fish, 250 



hyoidean : Dog-fish, 251 



inferior jugular : Dog-fish, 250 



inter-orbital : Dog-fish, 230, 251 



orbital: Dog-fish, 229, 251 



posterior cardinal : Dog-fish, 250, 251 



post-orbital : Dog-fish, 251 



venosus : Dog-flsh, 247, 249, 261 

 Sinus, genital : Liver-fluke, 40 ; Dog-fish, 253 

 urinary : Dog-flsh, 266 

 urino-genital : Dog-fish, 270 

 Skate, 218 



Skeleton : Amphioxus, 190, 203, 205, 207 ; Dog-fish, 222 ; Rabbit, 291 ; .FotcJ, 311 

 Skeleton, appendicular : Rabbit, 323 ; .Foutf, 421 

 axial : Rabbit, 293 ; -FozcZ, 401 

 branchial : Amphioxus, 193, 205 

 buccal : Amphioxus, 190, 205, 207 

 endophragmal : Crayfish, 163 

 of fins : Amphioxus, 190, 203, 207 ; Dog-fish, 230 

 mammalian, 292 

 visceral : Dog-fish, 233 

 Skin, sec Integument 

 Skull: Dog-fish, 225 ; Rabbit, 302; 2)o^, 304, 307; Fowl, 409 



