560 



INDEX 



olivaceus, intermediate host of 

 Schistosoma mansoni in Brazil, 217. 



Plasmodium, discovery, 7; cultiva- 

 tion, 9; 35; 149-159; species, 

 149-150; life history, human 

 cycle, 150-154; relation to red 

 blood corpuscles, 150-151; mos- 

 quito cycle, 154-156; effects of 

 temperature on development in 

 mosquito, 156. 



fcdciparum, 150-166; life history, 

 human cycle, 150-154; clogging 

 of capillaries, 152; sporulation, 

 152-153; numbers in blood, 153; 

 crescents, 154; mosquito cycle, 

 154-156', resistance to low tem- 

 peratures, 156. 



malarice, 150; description, 157. 

 vivax, 150; resistance to low tem- 

 peratures, 156; description, 156. 



Platyhelminthes, 196-198. 



PLENCIZ, M. A., 6. 



Plerocercoid, nature of, 235. 



PLINY, 372. 



PLOTZ, H., 169, 397. 



Poliomyelitis, acute anterior, see In- 

 fantile paralysis. 



Pork, measly, 241; trichina in, 286, 

 287, 292; killing of trichina in, 

 295; inspection, 295-296; fit- 

 ness for food, 296-297. 



Pork tapeworm, see Tcenia solium. 



Porocephalus armillatus, 350-351. 

 crotcdi, 351. 

 moniliformis, 351. 



PORTCHINSKY, I. A., 487, 489, 490. 



PORTER, A., 123. 



Porto Rico, hookworm disease, 262; 

 unsanitary conditions, 266. 



Portuguese Sleeping Sickness Com- 

 mission, extermination of sleep- 

 ing sickness on Island of Prin- 

 cipe, 108; eradication of tsetse 

 flies, 502. 



Potamon dehaanii, intermediate host 



of lung flukes, 222. 

 obtusipes, intermediate host of lung 

 fluke, 222. 



Potassium cyanide, for hydrocyanic 

 acid fumigation, 384. 



Potassium permanganate, for tropical 

 ulcer, 72. 



Potassium sulphide, to destroy fleas, 

 422. 



Precipitins, 21. 



PRICE, J. D., 377. 



PRIESTLEY, H., 73. 



Privies, lack of, in warm countries, 

 266. 



Proglottid, 232. 



Prostitution, and syphilis, 61; munic- 

 ipal control of, 61-62. 



Protista, 27. 



Protozoa, vs. Metazoa, 26-27; vs. 

 bacteria, 27; structure, 28-29; 

 organelles, 29-32; nutrition, 32; 

 reproduction, 32-34; life cycle, 

 33-34; immunity to drugs, 34- 

 35; classification, 35-36; im- 

 portance, 37; discovery, 37. 



Protozoology, importance of, 37. 



Prowazekia, 115; 117-118. 



Prowazek's bodies, 194. 



Pseudopodia, 29. 



Pseudotyphus, 191-192. 



Psorophora, larvae prey on Janthino- 

 soma larvae, 453. 



Psychodidae, 466. 



Ptilmium, 465. 



Pulex irritans, jumping power, 405; 

 identification, 408; egg-laying 

 habits, 408; life cycle, 410; and 

 plague, 412; and infantile kala- 

 azar, 413; and Dipylidium can- 

 inum, 414; habits, etc., 414- 

 415. 



Pulictdae, 407. 



Punkies, see Chironomidae. 



Puparium, 465. 



Pygidium, 404. 



Pygiopsylla ahalce, 417. 



Pyorrhea, 140-146; importance, 140; 

 relation of amebae to, 142-144; 

 relation of bacteria to, 143-144; 

 prevention and treatment, 145- 

 146. 



