226 



Index 



Oriental sore, 174. 

 Ornithodorus moubata, 34. 

 Oscinidae, 52. 



Otospermophilus beecheyi, 155. 

 Ox-warbles, 50. 



Panama Canal zone, 135. 



Paramecium, 22. 



Parasite, defined, 1; classes of, 

 4; in new regions, 5; diseases 

 caused by, 7; effect on host, 9; 

 relation to host, 14. 



Parasitism, 3. 



Pasteur, L., 44. 



Pearls, 13. 



Piroplasma bigeminum, 29. 



Plague, early history of, 142; 

 fleas that transmit, 153; and 

 flies, 70; and ground squirrels, 

 155; how combatted in San 

 Francisco, 143; results of 

 other investigations, 150; Ver- 

 jbitski's experiments, 147; 

 work of Indian Plague Com- 

 mission, 146. 



Plasmodium, 109. 



Protozoa, 19; classes of, 20. 



Proboscis, of fly, 60; of mos- 

 quito, 80. 



Privies, 72. 



Privy-fly, 59. 



Pseudopodia, 20. 



Psoroptes communis, 37. 



Pulex irritans, 154. 



Punkies, 46. 



Pupae, of house-flies, 64; of 



mosquitoes, 80. 

 Pyrethrum, 102. 



Rats, and plague, 143, 145; 



species of, 154. 

 Red-bugs, 38. 

 Reed, Dr. Walter, 123. 

 Relapsing fever, 21, 33. 

 Rhizopoda, 20. 

 Ricketts, Dr. H. F., 32. 

 Rio de Janeiro, yellow fever in, 



137- 



Rocky Mountain spotted fever, 

 32. 



Ross, Ronald, 112. 

 Rucker, Dr. W. C, 143. 



Sacculina, 2. 

 Salivary glands, 84, 87. 

 Salt marshes, 97, 105. 

 Sambon, Dr. L. W., 118. 

 Sand-fleas, 53. 

 Saprophytic bacteria, 17. 

 Sarcophaga spp., 48. 

 Sarcoptes scabiei, 37. 

 Scab, 37. 

 Screw-worm, 47. 

 Seed-ticks, 27, 30. 

 Sheep bot-flies, 51. 

 Simmond, Dr. P. L., 145. 

 Siphonaptera, 52. 

 Skinner, Dr. H., 159. 

 Sleeping sickness, 21, 161. 

 Slipper animalcule, 22. 

 Small-pox, 70. 

 Smith, Dr. Theobald, 29. 

 Smudges, 102. 

 Sore-eye, 52. 

 Spiders, 26. 

 Spiracles, 89. 

 Spirochaeta, 21, 130. 



