GENERAL INDEX 



299 



104; outliving males, 73, 

 79; outsize, 182; para- 

 sitized by males, 40; 

 polymorphic, 114; pro- 

 tecting offspring, 212; 

 sedentary, 58, 75 



Fertility, 44 



Fever, relapsing, 225, 232 



Fidgeting of host, 33 



Fights of cuckoos, 260 



Filariasis, 217 



Fishermen, 16 



Fission : 



binary, 236; multiple, 161 



Fixing of eggs, 69, 123, 212 



Flagellum, 170, 235 



Flattening of body : 



of bugs, 248; of fleas, 57; 

 of lice, 57, 119; of louse- 

 flies, 212 



Flocks, 21, 25, 202 



Flowers, symbiosis and, 28 



Food, 3, I'o, II, 58, 72, 173, 

 183, 198, 248 



Form, diversity of, 119 



Formic acid, 127 



Fossils, 54, 141, 215 



Fosterers, 36, 258-262 



Gall, 48 : 



-bladder, 3 

 Gapes, 41, 181 

 Genal comb, 62 

 Genera, primitive, 143 

 Genitalia : 



of flea, 65 ; of lice, 140 

 Gentes, 258 

 Geographical : 



distribution, 147, 214; 



history, 100; races, 85, 



87, 113 

 Geological record, 48, 141, 



215 

 Geotropism, 78 



Gills, II 



Gizzard, 184, 185, 256 



Glacial periods, 87 



Glands : 



cystogenous, 204; pene- 

 tration, 32; stomach, 184; 

 uropygidial, 209 



Granules in crop, 120 



Grazing : 



symbiosis and, 21, 23; 

 tapeworms and, 197 



Grouse disease, 222 



Gynaecophorus canal, 39, 

 206 



Habitats of flukes, 199 



Haemorrhage, 31 



Halteres, 21 1 



Hatching, 70, 123 



Hermaphrodites, 40, 53, 

 191, 209 



Hibernation, 97, 114, 217, 

 252 



Hitch-hiking, 18, 98, 222, 

 228, 248 



Host : 



abnormal, 93, 95; cas- 

 tration of, 31; changing, 

 92, 93, 116; death oi {see 

 Death); defence by, 79; 

 distribution of, 84, 146; 

 eating fleas, 103; effects 

 on, 30-37, 186-187; find- 

 ing of, 38, 42, 213; habits 

 of, 33 ; haemorrhage in, 

 31; injuries to, 4, 31, 74> 

 125; phylogeny of, 141, 

 142, 164, 193; pigmenta- 

 tion of, 32; -preference, 

 100, loi, 189, 222; re- 

 sistance of, 33; sharing 

 parasites, 59 ; smell of, 

 76 ; -specificity, 43, 44, 

 45, 46, 58, 70, 100, 135, 

 168, 202 ; wounding of, 74 



Host-specificity, 43-46 : 

 in bird fleas, 100; in 

 feather lice, 135; in mam- 

 mal fleas, 70; in Proto- 

 zoa, 168; in Tapeworms, 

 45, 193; in Flukes, 202 



Hunger of parasites, 38 



Hunting, symbiotic, 25 



Hybrids, 247 



Hyperparasites, 103, 128, 

 197,217,243 



Hyphae, 242 



Hypopus, 104, 227 



Ice ages, 87, 89 

 Identification of lice, 147 

 Ignorance, 145, 156, 246 

 Immunity, 34, 99 : 



birds', 163; ducks', iii; 



horses', 76; molluscs', 



200; partial, 34; swans' 



102 

 Infection, virulent, 37 

 Infestation, secondary, 143 

 Influenza, 36, 44 

 Injuries, 4, 31, 74, 125 

 Instinct, 212, 252, 266, 267 

 Integument, fleas', 56 



Intermediate hosts {see also 

 Vectors) : 



amphipods as, 204; am- 

 phibians as, 207; ants as, 

 197; arthropods as, 172; 

 beetles as, 197; birds as, 

 190; cockroaches as, 184; 

 copepods as, 195; Crus- 

 tacea as, 184, 188, 194, 

 204, 207; dragonfly as, 

 204; earthworm as, 184, 

 186; fish as, 32, 183, 194, 

 201, 202, 203, 206-207 ; 

 fleas as, 98, 103, 177; flies 

 as, 1 97; freshwater shrimps 

 as 185, 186, 195; func- 

 tion of, 1 78 ; grasshoppers 

 as, 183; hog-slaters as, 

 190; Hydrobia as, 202; 

 insects as, 188, 195, 207; 

 leeches as, 209; lice as, 

 125; mammals as,; 184 

 mites as, 197; molluscs as, 

 2,0, i95> i97> .205, 206, 

 207; multiplicity of, 42; 

 mussels as, 30; ostracods 

 ^s, 195; periwinkles as, 

 204; sand-hoppers as, 

 204; shore crabs as, 204; 

 vertebrates as, 232; water 

 fleas as, 184, 195; weevils 

 as, 185; woodlice as, 184; 

 worms as, 195; of worms, 



177 

 Iron necessary, 72 

 Islands, 45, 46, 52, 90, 138 

 Isolation, 45, 85, 90, 133, 



138 



Jargon, 106 



Keratin, 120, 250 

 Kidneys, 3 

 Kissing, 42 



Labium, 74 



Lacinia, 74 



Larvae, 9, 47 : 



acanthella, 189; black- 

 flies', 219; budding of, 39; 

 clothes moths', 250; cysti- 

 cercus, 192, 195; Diplo- 

 stomulum, 207; emer- 

 gence of, 71; food of, 58, 

 72; free, of flea, 57; 

 houseflies' 221 ; host speci- 

 fic, 45; infected, 232; 

 louseflies', 213; mites'. 



