INDEX 



313 



Bulrush zone, 237 

 Bur reed, Sparganum eurycarpum 

 Butter and eggs, Linnaria llnnaria 

 Butter-cup, water, Ranunculus aquatilis 

 Butterflies, see Lepidoptera 

 Butterfly weed, Asclepias tuberosa 



Caboma, 103 



Cactus, Opuntia Rafinesquii 



Caddis fly: Leptoccra, 175; net- 

 building, see Hydro psyche 



Caddis worm, Goer a, 169 



Calcite, 71 



Calumet stage of Lake Chicago, 82, 83 



Canadian period, 46, 47 



Canon Diablo, 23, 24 



Cardinal flower, Lobelia cardinalis 



Carrot, wild, Daucus carota 



Cassandra zone, 198 



Cat-tail, Typha 



Cat-tail zone, 238 



Caves, 10 



Cenozoic, 30, 31 



Chalcopyrite, 72 



Champlain Sea, 88 



Chalk, 71 



Chara ponds, 179 



Checkerberry, Gaultheria procumbens 



Cherry, ground, Physalis 



Cheveril, Anthricus cerefolium 



Chicago: Lake, see Lake Chicago; 

 site of, 50, 52, 57, 64, 88 



Chickweed, Stellaria aquatica 



Chirotenetes siccus May-fly, 289 



Chlorite, 71 



Cicada, see Hemiptera 



Cicely, sweet, Osmorhiza Claytoni 



Cinquefoil: beach, Potentilla canadensis; 

 shrubby, P. fruticosa; silver, P. 

 Anserina 



Clams, distribution of, 279 



Clams (Pelecypoda) : 



Alasmodonta marginata, 169, 170, 171 



Anadonta grandis, 169, 170, 171 



Lampsilis luteola, 169, 170, 171, 234 



Sphaerium simile, 184, 184 



Clay pinnacles, 10 



Clearweed, Pilea pumila 



Cleavage, 69, 170 



Climax forest, 202 



Closed gentian, Gentiana Andrewsii 



Clover: 



Bush, Lespedeza capitata 



Prairie, Petalo sternum purpureum 



White sweet, Melilotus alba 



Coal beds, 51 



Cocklebur, Xanthium echinatum 



Coleoptera, Beetles: 



Alaus oculatus, eyed elater, 219 



Balaninus, nut weevil, 223 



Boletotherus bifurcus, fungus beetle, 

 219, 220 



Buprestidae, metallic wood-boring 

 beetles, 158, 219 



Calloides nobilis, 225, 226 



Calosoma: 



calidum, the fiery hunter, 153, 155 

 scrutator, the searcher, 153, 153 



Chalcophora liberta, metallic wood- 

 borer, 158, 159 



Chalepus: 



nervosa, 223 

 rubra, 223 



Chrysobothrisfemorata, flathead apple- 

 tree borer, 226 



Cicindela: 



ancocisconenses, sphagnum tiger 



beetle, 149, 201 

 cuprascens, copper tiger beetle, 148, 



149, 153 



formosa generosa, large tiger beetle, 



148, 149, 158 

 hirticollis, 148, 149 

 lepida, white tiger beetle, 148, 149, 



!S3 



Hmbalis, clay bluff tiger, 149, 260 



re panda, 149, 149 



scutellaris lecontei, bronze tiger 

 beetle, 148, 149, 158 



sexguttata, green tiger beetle, 149, 

 149 



tranquebarica, 149 



Cicindelidae, tiger beetles, 148, 149 

 Diaperis maculata, fungus beetle, 219, 



220 



Disonycha quinquevittata, 154, 155 

 Dytiscus, diving beetle, 104, larva, 



186, 188, 239 



Elaphidion mllosum, 223 

 Elateridae, click beetles, 219 

 Eupsalis minuta, oak borer, 227, 228 



