3i6 . 



INDEX. 



Books to assist in mounting ob- 

 jects, 43 



Bosmina, 264, 267 



Bottles for collecting, 43 



Bouncing Bet, 306 



Brachionus,. 222 



militaris, 236 



Branchipus, 266, 277 



Breckenfeld, A. H., on preserv- 

 ing Hydra, 171 



Brewster, Sir David, inventor of 

 the Coddington lens, 7 



Brownian movement, 65 

 .Bubbles, air, 37 



BulbochEete, 102, log 



Bull's-eye condensing lins, 22 



Bunsen burner, Apgar's, 34 



Butterfly, scales from, 296 

 proboscis of, 298 



Camera Lucida, 39 

 Camptocercus, 265, 269 

 Canada balsam, 24 

 Canthocamptus, 265, 272 

 Carchesium, 147, 150 

 Cardinal flower, 304 

 Carrot, seeds of, 304 

 Caterpillars, feet of, 297 

 Cells, cement, 28 



device for centering, 29 



growing or life, 36 



paper, 30 



plant, 56 

 Cement, Brown's rubber, 31 



shellac, 28 

 Centropyxis, 114, 127 



aculeata, 127 

 Ceratophyllum demersum, 53 



Ceriodaphnia, 265, 268 

 Chsetogaster, 201, 203, 

 Chsetonotus, 173, 175, 176, 178, 

 182, 185 

 acanthodes, 185, 187 

 acanthophorus, 185, 189 

 caudal appendages and 



glands, 180 

 classification of, 181 

 dorsal appendages, 179 

 eggs of, 180 

 enormis, 185, 190 

 food of, 181 

 head, 179 

 key to species, 181 

 larus, 178, 185, 187 

 longispinosus, 186, igi 

 loricatus, 185, 186 

 maximus, 185, 186 

 mouth of, 1 79 

 octonarius, 186, igo 

 Chaetonotus, oesophagus of, 180 

 spinifer, 185, 188 

 spinosulus, 186, 



igi 

 to collect, 178 

 Chsetophora, 102, 107 



elegans, 108 

 Chilodon, I4g, 164 



megalotrochse, 229 

 Chilomonas, 148, 159 

 Chirochephalus, 265, 276 

 Chironomus, eggs of, 177 



larva, 173, 175, 176 

 Chlorophyl, 57, 59 

 Chydorus, 265, 270 

 Cilia, of fnfusoria, 136 



of Turbellaria, 174 

 Circles, thin glass, 27 

 Cirsium, crystal prisms in, 306 



