INDEX 



961 



Phacops, 429. 

 Phagocytes, 154. 

 Phagocytosis, 332. 

 Phalanger, 828, 841 

 Phalangeridae, 841. 

 Phalanges, 538. 

 Phalangidag, 4, 4i7- 

 Phalangium, 417. 

 Phallusia, 514. 

 Phaneroglossa, 677. 

 Phaneropleuron, 642. 

 Phanerozonia, 298. 

 Pharynx, 554, 556- 



— development of, 555. 



— of Ascidian, 502. 

 Phascogale, 840. 

 Phascolarctos, 839, 841. 

 Phascolomyidae, 841. 

 Phascolomys, 841. 

 Phascolosoma, 284. 

 Phenacodus, 3, 17'^, 856, 860. 

 Philodina, 282. 

 Phlebotomus, 410. 



Phoca, 874. 

 Phocaena, 864. 

 Phocidae, 874- 

 Pholas, 480, 481. 

 Phormosoraa, 305. 

 Phoronis, 285, 285, 489, 505 • 

 Phoronoidea, 244, 285. 

 Phoronopsis, 285. 

 Phosphorescence in Ascidians, 514. 



— in Balanoglossus, 490. 



— in Crustacea, 354, 360. 



— in Fishes, 630. 



— in Insects, 393. 

 Phronima, 352. 

 Phrynosoma, 702. 

 Phrynus, 416. 

 Phyllirhoe, 466. 

 Phyllobothrium, 230. 

 Phyllocarida, 350. 



Phyllodoce, excretory organs of, 5^0 



Phyllopoda, 339. 



Phyllosoma, 353. 



Phylloxera, 384, 406. 



Phylogeny, 87. 



Phvsalia, 205. 



Physeter, 487, 864. 



Physiology, 20, 40. 



Physoclysti, 616, 641. 



Physostomous, 641. 



Phytoptids, 423. 



Phytozoa, 167. 



Pia mater, 540. 



Pica, 867. 



Pigeon, 732. 



Pigeon's milk, 747- 



Pigment cells of Sepia, 456, 437. 



Pigments in crayfish, 330. 



— in Protozoa, 137. 



— in sea anemones, 191. 



— in sponges, 159. 

 Pigs, 849. 



Pike, 641. 

 Pilema, 190. 



61 



Pilidium larva, 233, 234. 

 Pineal body, 541- 



in Iguana, 541. 



in Sphenodon, 541, 541. 



Pinna shell, 446. 

 Pinnipedia, 865, 873. 

 Pinnotheres, 353- 

 Pipa, 677, 682. 

 Pipe-fishes, 628, 641. 

 Pipistrelle, 880. 

 Piroplasma, 149. 

 Pisces {see Fishes), 587. 

 Pisidium, 481. 

 Pisiform, 698, 795. 

 Pithecanthropus, 889. 



— erectus, restoration of head of, 894. 

 Pithecia, 885. 



Pituitarv body, 540, 569. 79i.- 797- 

 Placenta, Hints of a, before Mammalia, 

 718. 



— of Mammals, 821. 

 Placentals, 2. 



Placentation, classification of, 827. 



Placoid scales, 590, 590. 



Plagiaulax, 832, 837. 



Plagiostoma, 214. 



Plagiostomi, 634. 



Planaria, 213, 214. 



Planarians, 212. 



Plankton, 895. 



Planktonemertes, 235. 



Planorbis, 100, 223, 474- 



Plantigrade, 870. 



Plants and Animals, 22-26. 



Plants, cross - fertilisation by insects 



403- 

 Planula larva, 183, 187. 

 Plasma membrane, 38, 55. 

 Plasmodium, 63, 142. 



— vivax, 125, 149, 409 



life-cycle of, 146. 



Plastogamy, ii3- 

 Plastron, 686, 688. 

 Platanista, 864. 

 Platydactylus, 702. 

 Platyhelminth, 211. 

 Platyhelminthes, 211, 230. 

 Platypus, 836. 

 Platyrrhina 883. 

 Plecoptera, 397, 407- 

 Plesiosauria, 720, 865. 

 Pleura of crayfish, 325. 

 Pleuracanthus, 635. 

 Pleural membrane, 781- 



— sacs, 715- 



Pleurobranchs of crayfish, 332. 

 Pleurodont teeth, 698. 

 Pleuronectidffi, 641. 

 Pleuro-peritoneal cavity, 718. 

 Pleuropterygii. 635. 

 Pliosaurus, 720. 

 Ploughshare bone, 726, 739 

 Plumatella, 286. 

 Plumularia, 204. 

 Pluteus larva, 317- 

 Pluvianus, 716. 



