394 



Crabs {Cancer &c Carcinus), 29, 31-34, 



39, 41-43, 45-47, 299 

 Crater Highlands, 343-5, 347, 349 

 Crepidula fomicata, 47 

 Crouch, River, Essex, 31, 39 

 Crustacea, 27, 29, 31-35, 38, 39, 41-47, 



192, 223-31, 234-7, 239, 240, 



261, 262, 297, 299, 301, 306, 324, 



331, 333-6 

 Cultus Lake, Canada, 289, 290, 293, 295 

 Cyclops, 331 

 Cynodon, 349 



Cyprinoid fish, 268, 269, 271 

 Cyprinus carpio, 266, 267, 269, 272, 275 

 Cystophora cristata, 168 



Daphnia, 192, 223-31, 234-7, 239, 240, 



261, 262, 297, 300, 301 

 Daphnia ohtusa, 224, 225, 234 

 Daphnia pulex, 224-30, 234-7, 240 

 Deer, 72-82, 116, 195 

 Deer, red {Cervus elaphus), 74 

 Deer, roe {Capreolus capreolus), 72-82, 



116 

 Denmark, 3, 9, 72-82 

 Deschampsia, 98 

 Digitaria, 351 

 Diptera, 192, 331-6, 344, 347, 354-56, 



369, 375 

 Dog whelk {Nucella lapiUis), 35, 47 

 Dogger Bank, 7-9, 11, 14, 17, 21, 25, 28, 



246 

 Ducks, 85-95, 377 

 Ducks, dabbhng {Anas), 86-94 

 Dugesia, 224, 225, 233 

 Dugesia tigrina, 225, 233 

 Duiker, 347 

 Dytiscid imagines, 333 

 Dytiscid larvae, 333, 334, 336 



Eagle {Aquila chrysaetos), 97 



Earthworm, 299 



East Anglia, 5, 7-18, 20-22, 24, 27 



Eider, 95 



Eland, 347 



Electronic computer, 200, 201 



Eledone cinerosa, 320 



Elephant, 348 



Eleusine jaegeri, 349 



England, 5-18, 20-22, 24, 27, 31, 32, ^6, 



39, 41, 42, 118-33, 284-8, 291, 294, 



300, 314, 316-9 

 English Channel, 3, 4, 8, 252, 254 

 EngHsh Lake District, 284-8, 291, 294, 



300 



SUBJECT INDEX 



Ephemera, 334 



Ephemeroptera larvae, 333, 334 



Erica, 98 



Erignathus harhatus, 168, 170, 174, 177, 



178, 180, 181, 182 

 Eskimo, 168, 174, 178, 179, 180, 182, 



186 

 Esox lucius, 300 



Eupagurus hernhardus, 33, 46, 47 

 Eurycercus, 333, 334, 336 



Fame Islands, 316-9 



Faroe Islands, 159, 165, 308, 318 



Festuca, 98 



Fiji, 370 



Fir, balsam, 369 



Firth of Clyde, 308 



Firth of Forth, 4, 308 



Fladen, 7, 8, 13, 18, 24 



Flagellates, 40, 49, 50 



Flatworms, 224, 225, 233 



Flounder, Winter {Pseudopleuronectes), 



262 

 Fluorosis (in Masai cattle), 346 

 Fox, 171, 376 



Foxe Basin, Canada, 169, 173 

 France, 3, 8, 9, 11, 24, 28 

 Frog, 300 

 Fungus — shell disease of oyster, 47 



Gadus {Alelanogrammus) aeglefimis, 62, 

 210, 211, 214, 243-6, 249, 257, 306, 

 320, 370 



Gadus callarias, 243-6 



Gadus minutus, 62 



Gadus morhua, 63, 213, 215, 306, 308 



Gammarus, 333 



Gapeworm {Syngamus trachea), 129 



Gazelle, 343 



Gazelle, Thompson's, 348 



General Electric Company, 185 



Georgia, U.S.A., 194 



Georges Bank, 214 



Germany, 3, 6, 8, 9, 11, 13, 18, 24, 89 



Giraffe, 348 



Glen Esk, Angus, Scotland, 96-117 



Glossina, 344, 347, 354, 355, 369 



Goats, 347, 348, 351 



Gompertz growth curve, 55 



Goose, 85-95 



Goose, black {Branta), 86 



Goose, Brent {Branta hernucla), 87, 89, 

 91,93 



