288 



INDEX 



Camponotus, 208 



Capitellidaj, 34 



Capricorn beetle, 96 



Carcinus, 92 



Cards, Van and his, 277 



Carinaria, 87 



Caterpillars, 23, 243, 259 



Cats, 262 



Centipedes, 49, 74 



Cephalopoda, 34, 141 



Cerambyx, 67, 95, 96 



Ceratius, 186 



Ceratophyus, 68 



Chalcidid», 27 



Chalicodoma, 251, 262 



Chiasognathiis, 68 



Chitons, 15, 144 



Cicadas, 61, 64, 151 



Cicadidffi, 151 



Clepsine, 134 



Cockchafer. See Melolontha 



Cockroach, 46, 132 



Coelenterata, touch, 11 ; taste, 22 ; 



smell, 33 ; hearing, 82 ; sight, 131 

 Coleoptera, 58, 67, 111, 151 

 Collie, 280 

 Color of deep-sea fish, 185 



■ of flowers, 199 



, sense of, 190, 194, 202, 280 



Componotus, 239 



Compound eyes, 163 



Copepoda, 48 



Copilia, 158 



Copris, 68, 95 



Corephium, 145 



Corethra, 18, 113, 117, 151 



Corixa, 75 



Corti, the organ of, 80, 105 



Corycaius, 157 



Cossus, 148 



Count ? can animals, 281 



Crabs, 90, 92 



Crayfish. See Astacus 



Cricket. See Acheta 



Crioceris, 68 



Crow, 282 



Crustacea, touch, 16 ; taste, 23 ; 



smell, 46 ; hearing, 88 ; sight, 156 ; 



sense of color, 211 ; problematical 



organs, 188 

 Crystalline cone, 166 



Culex, 68, 115 

 Curculionidte, 6S 

 Cychrus, 68 

 Cyclostoma, 140 

 Cymbulia, 88 



Daphnia, 48, 206, 212 



Dead-nettle, 200 



Death-watch, 66 



Dias, 220 



Dinetus, 39 



Diptera, 52, 69, 110, 149, 151 



Direction, sense of, 262 



Dog, intelligence of the, 272 



Dragon-fly. See Libellula 



Dytiscus, 5, 6, 112, 131, 146, 167 



E 



Ear. See Auditory organs 



in tail of Mysis, 92 



, structure of the human, 78, 101 



Earthworms, 206 

 Elaphrus, 68 

 Elaterida, 67 

 Empusa, 176 

 Endosmosis, 25 

 Englena, 130 

 Epeira, 146 

 Ephippigera, 103 

 Epithelial cells, 14, 20 

 Epithelium, 11, 19 

 Eristalis, 69, 174, 176 

 EucopidaB, 85 

 Eucorybar, 74 

 Eumenes, 245, 282 

 Euphausia, 161 

 Euryoopa, 189 

 Eutima, 83 

 Evaneadaj, 27 

 Eye, compound, 163 



of man, 121 



, pineal, 126 



, simple, 170 



Fish, 182 

 Flowers, 200 



