286 



INDEX 



Ox (Bos), 26!5, 270 

 Oxyuris, 106 



PAEDOGENESLS, 95, 231 



Palaeospondylus, 217 



Palate, 207 ; hard and soft, 253 



Pancreas, 208 



Panniculus adiposus, 252, 260 



carnosus, 252 

 Papatasi or phlebotomy s fever, Carrier of, 



142 

 Paragonimus (pulmonary flake of Man). 



90, 95 



Paramecium, 21, 48, 49, 52, 59 

 Parapodium, 114, 120 

 Parasites, Blood, 42, 45, 46, 66 



Cestoda (Tapeworms), 90, 95- 



102 



Copeppda ("Fish-lice "), 128 

 Hirudinea (Leeches), 114 

 Incidental, 91 



Insects, 138, 142-147, 154, 155 

 Intracellular 45, 66 

 Mites, 158 

 Nematoda (Round Worms), 



102-112 

 Pentastomida (Tongue-worms), 



157 

 Protozoa, 20-23, 25, 28, 38, 



40-47, 53-67 

 Sacculina, 127 

 Ticks, 161, 162 



Trematoda (Flukes), 90, 91-95 

 Parasitism, effect on parasite and on 



host, 112 

 of Glochidiuin larva of Ano- 



donta, 175 



Parenchymula larva, 73 

 Parthenogenesis, 13; in Insects. 13S; 

 in Ticks, 161 ; in Water-fleas, 128, 137 

 Parthenogonidia, 12, 38 

 Partnership. Hee Commensalism and 



Symbiosis. 



" Pebrine " in silkworms, Cause of, (>0 

 Pediculosis, 155 



Pediculus (Louse of Man), 146, 147, 155 

 Pentadactyle limb. See Cheiropterygium. 

 Pentastoma, syn. Linguatula, 157 

 Pericardio-peritoneal canal, 196 

 Pericardium, 135, 196 

 , \'.\~ 



Peripharyngcal groove, 183 



Perissodactyla (Odd-toed Ungulates), 264, 

 271 



Peristalsis, 116, 207 



Peritoneal cavity, 192, 196 



Peritoneum, 196 



Petromyzon (Lamprey) compared with 

 Mi/xine (Hag-fish), 215 



Phagocytes, 211 



Phagocytic organs, 104 



Phenacodus, 264 



Philaematomyia, 144 



Phlebotomus, 142 



Phlebotomus fever or Papatasi, Carrier 

 of, 142 



Phthirus (Crab-louse of Man), 147, 155 



Physalia (" Portuguese Man-of-War "), 75 



Physoclisti, 212, 229 



Physostomi, 212, 228 



Pig (Sus), 263 



Pigeon (Columba), 242, 249 



Pineal body or Epiphysis, 201 



Pinnipedia, 262 



Piroplasma, syn. Babesia, 21, 66, 67, 162 



Pithecanthropus, 265, 274 



Pituitary body, 201, 208 



Placenta, Allantoic, 214, 251, 260, 267 

 Deciduate, 260, 267 

 Non-deciduate, 267 

 Yolk-sac, 251, 259, 267, 268 



I'luuu;-. Carriers of, 146, 155 



Plankton, 127 



Planula larva, 82, 84 



Plasmodiophora, 25 



Plasmodium (Malaria parasite), 21, 61, 67 



Plasmodium, 12, 24, 25, 26 



Plastogamy, 12, 24, 26 



Platyhebnrnthee (Flat Worms), 89 ; Clas- 

 sification of, 90 



Platyrrhini (New World Monkeys), 265, 

 273 



Plerocercoid larva, 102 



Plexus, 188 



Polar body, !) 



Polychaeta, 114, 120, 122 



Polygordius, 114 



Polymorphism, 75, 76, 84, 122, 142, 181, 

 185 



Polyp, 76, 81, 82 



Polypterus, 228 



Polystomella, 31-33 



