INDEX. 511 



Ovum : Hydra, 27 ; Liver-fluke, 42 ; Earthworm, 81 ; Mussel, 110 ; Snail, 131 ; CocA;- 

 roach, 184; Amphioxus, 202 ; Dog-fish, 218, 263 ; Rabbit, 335, 369 ; Wd 429 

 Pi>, 457 ; tfen, 467-8 



Palatal process : Rabbit, 315 



Palate: Rabbit, 383 



Palatine bone: Rabbit, 314 ; ifywZ, 416 



Palial cavity, see Mantle-cavity 



Pallial line : Mussel-shell, 92 



Palp, labial: Mussel, 97; Cockroach, 175; mandibular: 'Crayfish, 150 



Paip, maxillary : Cockroach, 175 



Palpiger : Cockroach, 175 



Pancreas : Dog-fish, 240 ; Rabbit, 342 ; Pigeon, 443 



Papilla, circumvallate : Rabbit, 380 



foliata : -Raft&ft, 380 



urino-genital : Dog-fish, 270 

 Paraglossa : Cockroach, 175 

 PARAMECIUM, 4-7 

 Para-sphenoid : .Few/, 414 

 Parietal bone : Rabbit, 307 ; Fowl, 415 

 Parietal segment : Rabbit, 306, 307 

 Par-occipital process : Rabbit, 304 

 Patella : Rabbit, 332 ; Fowl, 426 

 Pearl, 93 



Pecten : Pigeon, 466 

 Pectoral tin : Dog-fish, 220, 238 



Pectoral girdle : Dog-fish, 238 ; Rabbit, 323 ; -Fowtf, 421 

 Pelvic fin : Dog-fish, 238 



Pelvic girdle : Dog-fish, 237 Rabbit, 330 ; JW, 425 

 Pelvis of kidney : Rabbit, 364 



Penis: Liver-fluke, 39; Leecft, 58; Snail, 132; Rabbit, 337, 366 

 Pericardial cavity : Mussel, 101, 112, 114 ; Snat7, 125 ; Dog-fish, 245 

 Pericardial sinus : Crayfish, 155 

 Pericardium : Snail, 112 ; Rabbit, 347 

 Perineal-pouch : Rabbi, 337 

 Periostracum : Mussel-shell, 92 ; Snail-shell, 121 

 Periotic : iZo66tY, 311 

 Periplaneta, see Cockroach 

 Perisarc : Obelia, 32 

 Peristome: Vorticella, 10 



Peritoneum : Earthworm, 86 ; Dog-fish, 241 ; Rabbit, 341 

 Pes : i2a&&#, 334 ; .FWJ, 427 

 Pessulus : Pigeon, 454 

 Petrous portion: Rabbit, 311 

 Peyer's patch : iZa&fcft, 344, 346 

 Phalanges : Rabbit, 329, 334 ; Fowl, 424, 427 

 Pharyngo-branchial : Dog-fish, 235 

 Pharynx: Vorticella, 11; Liver-fluke, 37 ; Zeecft, 52; Earthworm, 70; nai7, 129; 



Amphioxus, 193, 205, 210, 212; iZoJ&ft, 384; Cfa'cfc, 479 

 Pia mater : Rabbit, 389 



PIGEON, 429-463 ; external characters, 430 ; pectoral muscles, 434 ; air-sacs, 435 ; 

 digestive system, 438 ; circulatory system, 443 ; respiratory system, 1^3; 

 renal and reproductive systems, 454 ; brain, 457 ; sense organs, 459 

 Pigmented canals : Amphioxus, 198 



Pineal body: Dog-fish, 273; Rabbit, 391, 400, 403; Pigeon, 458, 459 

 Pinna, Rabbit, 337 



Pituitary body : Dog-fish, 283, 285 ; Rabbit, 388 " 398 ; Pigeon, 459 

 Pituitary foramen: Rabbit, 306, 320 

 Pituitary fossa, see Sella turcica 

 Placenta : Rabbit, 335 

 Pleura : Rabbit, 345 ; Pigeon, 453 

 Pleurobranchia : Crayfish, 153 

 Pleuron : Crayfish, 142 

 Podical plate : Cockroach, 172, 173 

 Podobranchia : Crayfish, 153, 154 

 Pollex : Rabbit, 329 

 Pons Varolii: Rabbit, 388, 403 

 Pore, abdominal: Dog-fish, 22 210 

 Pore, dorsal : Earthworm, 69 



