INDEX 



AcantMa lectularia, 90 

 Acanthocephala, 217, 224, 306 

 Acariasis, 96 

 Acarina, 94 



parasitism of, 95 

 Ades calopus, 29 

 Agriostomuia, 280 

 Amblyomma, 142 



americanum, 145 

 Ameba, 312, 324 



budding, 313 



ectoplasm, 312 



encystation, 313 



endoplasm, 312 



fission, 313 



method of feeding, 313, 324 



morphologic characteristics, 312 



motility, 312, 324 



nucleus, 313 



pseudopodia, 312, 324 



reproduction, 313, 324 



respiration, 313 



streaming of cytoplasm, 312, 313, 

 324 



vacuoles, 312, 313 

 Ameba meleagridis, 325 

 Amebic dysentery, 326 



in man, 326 

 American dog tick, 143 

 Amphistomidse, 157, 167 

 Amphistomum cervi, 167 

 Ankylostoma, 280 



canina, 291 



duodenale, 292 

 Ankylostomese, 280 

 Ankylostomiasis, 291 

 Ankylostomum stenocephalum, 292 



Annelida, 224, 307 

 Anopheles, 26, 320 



macuUpennis, 26 



punctipennis, 28 



quadrimaculatus, 26 

 Anoplocephala mamillana, 175 



perfoliata, 174 



plicata, 175 

 Anthelmintics, use and action 



of, 221 

 Apterous insects, 18 

 Arachnida, 94 



classification of, 96 

 Arduenna, 228 



strongylina, 251 

 Arduenninae, 228 

 Argasidffi, 97, 139 

 Argas americanus, 139, 327 



miniatus, 139, 327 

 Arthropoda, The, 13 



circulatory system, 14 



digestive system, 14 



excretory organs, 14 



musculature, 14 



nervous system, 14 



reproduction, 15 



respiratory system, 14 



sense organs, 15 



structure in general, 13 

 Arthropoda as transmitters of infec- 

 tious diseases, 313, 315 

 Arthropoda, parasitic subgroups of 15 

 Ascariasis, 229, 231 



importance of treatment, 233 



location of worms, 229, 232 



occurrence, 231 



pathogenic influences, 232 



