45S 



Index 



Isocladius albipes, 459. 

 Isopod, lacustrine, 545. 

 Isopoda, 417, 419, 458. 



Juniperus virginiana, 209. 



Labidesthes sicculus, 543. 

 Laccophilus maculosus, 443, 445, 453, 

 454, 455. 



proximus, 443, 446, 453, 455. 

 Lagenopsyche larva (lacustrine), 544. 

 Lake Herring, or Cisco, 543, 547. 

 Lamellibrancliiates (lacustrine), 544. 

 Lampsilis alata, 3S5. 



anodontoides, 385. 



fallaciosus, 385 (see Errata), 41. 



gracilis, 385, 416. 



higginsi, 385. 



laevissima, 385. 



ligamentina, 385. 



luteolus, 385 (see Errata), 419. 



orbiculata, 385. 



parvus, 385, (see Errata), 416, 419. 



recta, 385. 



sp., 416. 



ventricosa, 385. 

 Larch, 74. 



European, 131, 153-154. 

 Leeches, 327, 341, 342, 343, 344, 348, 

 349, 358, 359, 360, 361, 367, 369, 370, 

 371, 372, 373, 383, 391, 393, 394, 395, 

 396, 397, 398, 401, 403, 406, 415, 420, 

 421. 



lacustrine, 544, 546. 

 Lemna, 446. 

 Lemnaceae, 339. 



Lepidoptera larvae and pupae, 459. 

 Lepidosteus, 543. 

 Lepomis gibbosus, 542. 

 Leptocorid (caddis) larva, 375. 

 , Leptodora, lacustrine, 545. 

 Leptosphaeria coniothyrium, 232. 

 Leptothyrium pomi, 213. 

 Lettuce, 253. 



disease, 254, 278. 322. 



Libellula pulchella, 382, 446, 447. 456. 

 Libellulidae, 445, 446, 447, 450, 451, 452, 



453, 454. 

 Libellulina larvae (lacustrine), 544. 

 Lilac disease, 257, 278, 324. 

 Limnaea (lacustrine), 544. 

 Limnocalanus macrurus, 546. 

 Lininodrilus, 334, 345, 361, 372, 394, 

 399, 415. 

 claparedeianus, 344. 

 hotfmeisteri, 344, 345, 346. 

 spp., 344, 345, 346, 414. 

 Lioplax subcarinatus, 351, 364, 380, 



404, 418, 419, 421. 

 Locust, Black, 72, 84, 86, 87, 88, 91, 

 125. 

 Honey, 72, 74, 113. 

 Loganberries, diseases o£. See Bram- 

 bles. 

 Lota, 543. 



Lumbriculus, lacustrine, 544, 546. 

 Lymnaea humilis, 420 



palustris, 420. 

 Lymnaeidae, 420. 



M 



Macromia sp., 450, 451, 452, 456. 

 Mancasellus tenax, 545. 

 Maple, 61. 72, 85, 86, 119, 131. 



Hard, 72, 74, 117. 



Red, 91. 



Silver, 116. 



Soft, 72, 73, 74, 88, 112, 116. 

 Marasmius scorodonius, 190. 

 May-flies, 456. 

 May-fly, 446, 458. 



nymph, 441. 



nymph and larvae, 379, 381, 417. 

 Melantho (lacustrine). 549. 

 Mesothemis simplicicollis. 420. 

 Mesovelia mulsanti. 445, 446, 448, 449. 



450. 451, 452. 454, 457. 

 Mesoveliidae, 445, 446, 448, 449, 450, 



451. 452, 454. 457. 



Metrobates hesperius, 447, 448, 449. 



450, 451, 452, 457. 

 Micropterus, 543. 



