So8 



INDEX. 



Petal, 476 



Petiole, 462, 474 



Phalanges, manus, 70; pes, 73 



Pharynx, Earthworm, 241, 253, 



255; Frog, 5 

 Phloem, Bean, 463, 472 ; Fern, 



446, 448, 449, 453 

 Phloem-sheath, 447, 453 

 Phosphorus, 379, 403 

 Photometric Zoospores, 395 

 Pia mater, 27, 96 

 Pineal gland, 26 

 Pinnule, 443, 447 

 Pistil, 460, 478 

 Pith, 462, 472 

 Pits, 446, 472 

 Pitted vessels, 464, 473 

 Pituitary body, 26, 99 

 Plasmolysis, 397 

 Pleomorphic Bacteria, 411 

 Pleurobranchise, 221 

 PLEUROCOCCUS, 389 

 Pleuron, 192 

 Pleuroperitoneal cavity, 7, 39, 41; 



membrane, 8, 42, 43 

 Plexus, brachial, 31 ; epidermal, 



245; excretory, 261 ; lumbo- 



sacral, 31, 103 

 Plumule, 461, 480 

 Pod, 461 



Podobranchise, 220 

 Polar bodies, 278, 302 

 Polar plate, 1 39 

 Pollen, 460, 465, 477 

 Pollen-sac, 465, 477 ; tube, 461, 



480 



Pollinodium, 420 

 Pore-canals, Crayfish, 203; Mus- 

 sel, 341 



Posterior commissure, lor 

 Potassium, 379 

 Pre-hallux (see Calcar) 

 Pre-maxilla, 9, 60 

 Pre-nasal process, 13, 64 

 Primine, 478 

 Primordial cell, 391 

 Primordial utricle, 397, 404, 417, 



433 

 Procephalic process, 202 



Processus spiralis, 140 



Pro-embryo, 435 



Pro-otic, 60 



Propodite, 196 



Pro-renal duct (see Segmental 

 duct) 



Prosencephalon, 97 



Prostate, 290 



Prostomium, 240, 249 



Protein, 379, 390, 467 



Proteus animalcule, 369 376 



Prothallus, 450, 457, 466 



PROTOCOCCUS, 389 395 



Protophloein, 447, 454 



Protoplasm, 379 



Protoplasmic movement, Anacha- 

 ris, 442 ; Chara, 440 ; Nettle- 

 hair, 442; Tradescantia, 441; 

 Vallisneria, 442 



Protopodite, 177, 193, 239 



Protoxylem, 446, 454, 472 



Pseudopodia, 122, 370, 374 



Pleris, 443459 



Pterygoid, 61 



Pubis, 71 



Pulmonary sac, 274, 282 



Putrefaction, 410 



Pylangium, 18 



Pylorus, 15, 46 



Pyrenoid, 398, 404 



Q- 



QUADRATE, 65 

 Quadrato-jugal, 61 



R. 



RACHIS, 288 



Radicle, 461, 480 



Radius, 70 



Radula, 287 ; sac of, 285 



Rana esculentatemporaria, I 



172 



Receptaculum ovorum, 269 

 Receptaculum seminis, 292 

 Rectum, Mussel, 337 ; Snail, 283 



