188 INDEX. 



Pa|?p. Page. 



B. obtusirostris 66 C. globosus 116 



B. striata 66 C. latifrons 118 



Bradya, Genus 184 C. latus 117 



Bythotrephes 122 C. nitidus 117 



CalanidEe, Family 129 C. ovalis 117 



Caligus 18 C. piger 118 



Calyptomera, Sub-order 15, 18 C. sphaericus 116 



Camptocercus, Genus 81 Circulatory system of Daphni- 



C. biserratus 83 d?e 23 



C. latirostris 84 Circulatory system of Cantlio- 



C. lilljeborgii 84 camptus 166 



C. macrurus 83 Cladocera, Order 13 



C. rectirostris 84 Copepoda, Order. 124 



C. rotundus 84 Corethra, A new species of 10 



Canthocamptus, Genus. 164 C. appendiculata 11 



C. brevipes 169 C. plumicornis 10 



C. crassus 1 69 Corycseus, Genus 185 



C. frontinalis 174 Ctenopoda, Tribe 18 



C. gracilis 168 Crustacea, Distribution of fresh- 



C. hibernicus 172 water 1,6,7 



C. illinoisensis 170 Cucullanus elegaiis 9 



C. minnesotensis 173 Cyclopidse, Family 143 



C. minutus , 170 Cyclops, Genus 144 



C. northumbricus 169 C. abyssorum 149 



C. palustris 173 C. adolesceris 161 



C. staphylinus 172 C. sequoreus 163 



C. tenuicaudis and trispinosus . . 169 C. afRnis 161 



C. pygmseus 174 C. agilis 157 



Carpenter's gelatine 179 C. albidus 153 



Ceriodaphnia, Genus 35 C. annulicornis 153 



C. alabamensis 38 C. ater 145 



C. consors 40 C. bicolor 1 60 



C. cristata 37 C. bicuspidatus 151 



C. dentata 38 C. bisetosus 151 



C. laticaudata 39 C. brevicaudatus 147 



C. megops 36 C. brevicornis 145 



C. nitida 41 C. brevispinosus 148 



C. pulchella 37 C. canthocarpoides 161 



C. punctata 39 C. capillatus 156 



C. qaadrangula 40 C. clausii 153 



C. reticulata 38 C. coronatus 153 



C. rotunda 37 C. crassicaudis 156 



C. scitula 40 C. crassus 1 46 



C. textilis 41 C. crassicornis 162 



Chj^dorus, Genus 115 C. diaphanus 157, 160 



C. albicans 118 C. elegans 158 



C. caelatus 117 C. elongatus 144 



