578 



INDEX 



Light penetration, in lakes, 293 



into sea water, 160, 223, 248 

 Lighted zone, 223 

 Ligia, 205 

 Lima, 264 

 L. loscombi, 193 

 Limacina helicina, 277, 278 

 Limax maximus, 47 

 L. variegatus, 123 



Lime, importance of, to land animals, 416 

 to marine life, 167 



in inland waters, 290 

 Limited range, 124 

 Limnadia, 351 

 L. lenticularis, 361 

 Limnadopsis, 458 



Limnaea, 54, 83, 85, 123, 128, 311, 312, 

 330, 333, 347, 354, 363, 367, 550 



cercaria in, 34 

 Limnaea abyssicola, 333 

 L. auricidaria, 334 

 L. forelia, 333 

 L. involute,, 125 

 L. ovata, 333, 334, 371, 374 

 L. palustris, 334 

 L. peregra, 363, 374 

 L. profunda, 333 

 L. stagnalis, 131, 331, 334 

 L. stagnalis var. bodamica, 331 

 L. truncatula, 30, 130, 364, 374 



a eurythermal form, 14 



wide ecological valence, 20 

 Limnetic, 326 

 Limnetic fauna, 334 

 Limnetic organisms, 297 

 Limnetis, 302, 458 

 Limnocalanus grimaldii, 347 

 L. macrurus, 38, 140 

 Limnocaridina, 347 

 Limnocnida tanganyicae, 348 

 Limnonaja, 472 

 Lirnnotragus, 474 

 Limnotrochus kirki, 85 

 Limopsis, 152 

 Lingula, 53, 185, 268 

 L. anatina, 186 

 Linopodes longipes, 527 

 Liolaemus biirgeri, 501 

 Liopelma, 94 

 Liponeura brevirostris, 314 



Liriope, 282 



List, 300 12 



Lithobius, 48, 130 



Lithocranius walleri, 391 



Lithodomus, 200, 216 



Lithogenes idllosus, 315 



Lithoptera fenestrata, 246 



Lithotrya, 200 



Littoral, 326 



Littoral benthos, 179 



Littoral region, 327 



Littoral system, 177 



Littorina, 197, 202, 205 



L. angidifera, 478 



L. fttorra, 196, 204 



L. neritoides, 204 



L. obtusata, 204 



L. nwfts, 203, 204 



Liturgousa, 108, 113 



Livingston and Shreve, 418 15 



Lo Bianco, 7F, 162 16 , 163 67 , 202, 222 31 , 



247 29 , 287 51 

 Lobodon carcinophaga, 276 

 Locard, 269 24 

 Locusta, 400 

 Locustids, 402 

 Lonnberg, 96 14 ^ 28 , 418 13 

 Low, 420 140 

 Loewy, 503 3 

 Lofoten Islands, limit of range of lobster, 



21 

 Lohman, 119 6 , 134", 236, 237, 239, 243, 



24718. 10. 24, 25. 26. 31. 32, 34 ( 248, 269 2 , 



2869. io. * 7 ' 32, 287 57 , 294 

 Lophins piscatorius, 190, 228 

 Lophohelia prolifera, 209 

 Lopholatilus chamaHconticeps, 244 

 Lophopsitlacus mauritianus, 521 

 Lophopus, 309 

 Lophyrns pini, 440 

 Lorenz, 526 19 

 Lota, 213, 342 

 L. lota, 305, 341 

 Low atmospheric pressure, 491 

 Low density of air, 51 

 Low temperature in high mountains, 492 

 Loxia, 544 

 Lubomirskia, 347 

 Lucanus, 420 124 

 Lucas, 300 21 



