Lake Maxinkuckee, Physical and Biological Survey 467 



contectoides, Viviparus, 73. 

 contracta, Gastrocopta, 75. 

 contraria, Chara, 158, 178. 

 Convallariaceae, 265. 

 Convolvulaceas, 396. 

 Convolvulus sepium, 397. 



spithamaeus, 397. 

 convolvulus, Tiniaria, 296. 

 copallina, Rhus, 353. 

 Copepod Parasites, 79. 

 Copepoda, 107. 

 Copepods, 77. 

 Copepods, Parasitic, 77. 

 Copper-colored St. John's-wort, 366. 

 Coral-root, Small, 271. 

 Corallorrhiza odontorhiza, 271. 

 cordata, Pontederia, 190, 260. 



Salix, 280. 



cordifolia, Vitis, 363. 

 cordifolius, Aster, 433. 

 cordiformis, Hicoria, 272. 

 Coreopsis palmata, 440. 



tripteris, 440. 

 Corisa interrupta, 29. 

 Cornaceae, 382. 

 Corn Cockle, 300. 



Gromwell, 400. 



Speedwell, 411. 

 Cornel, Panicled, 382. 



Silky, 382. 



corniculata, Xanthoxalis, 349. 

 Cornus alternifolia, 383. 



amomum, 382. 



femina, 382. 



mas, 324. 



stolonifera, 382. 



tartarica, 382. 

 Corpse-plant, 384. 

 Corrigiolacese, 298. 

 corruptum, Sympetrum, 15. 

 Corylus americana, 282. 

 Corythucha ciliata, 30. 

 Cosmarium granatum, 152. 



intermedium, 153. 



latum, 152. 



subcrenatum, 153. 

 costata, Symphynota, 44. 



Vallonia, 75. 

 Cotton-grass, Slender, 243. 



Tall, 244. 

 Cottonwood, 278. 



cotula, Anthemis, 444. 



Cotylaspis insignis, 101. 



Coulter, Dr. Stanley, 223, 325, 444. 



Cow-herb, 301. 



Cow-parsnip, 378. 



Cowbane, 379. 



Cowslip, American, 389. 



Cox, Prof. U. 0., 103. 



Crab Apple, American, 334. 



Crab-grass, Large, 224. 



Slender, 224. 

 Cracca virginiana, 341. 

 Cranberry, American, 387. 



Large, 387. 

 Crane's-bill, Carolina, 348. 



Wild, 348. 

 Crassulaceae, 322. 

 Crataegus coccinea, 335. 



mollis, 335. 



nitida, 335. 

 Crawfish, Gray Rock, 85. 



Pond, 84. 



Rock, 86. 



Solitary, 84. 

 Crawfishes, 83. 

 Creeper, Virginia, 363. 

 Creeping Selaginella, 207. 



Spike-rush, 189, 242. 



Wintergreen, 387. 

 crenulata, Melosira, 164. 

 Cress, Bulbous, 320. 



Purple, 320. 



Spring, 320. 



Crested Shield-fern, 201. 

 Crex, 252. 

 Crickets, 27, 28. 

 Crickets, Mole, 29. 

 crinita, Gentiana, 390. 

 crispus, Rumex, 292, 293. 

 cristata, Dryopteris, 201. 

 Crocanthemum canadense, 367. 

 crocataria, Xanthotype, 39. 

 cronkhitei, anthonyi, Pyramidula, 74. 

 Cross-leaved Milkwort, 350. 

 Crowfoot Family, 308. 

 Crowfoot, Hooked, 312. 



Kidney-leaved, 312. 



Stiff White Water, 187. 

 cruciata, Polygala, 350. 

 Cruciferae, 317. 

 Crucigenia tetrapedia, 150. 



