INDEX OF ILLUSTRATIONS. 



Aphis, Syrphus grub eating, 



212. 

 Architecture, A triumph of, 



142. 



Beetle, Oak-tree larva of, 206. 

 Belostoma grandis, 22. 

 Blackberry leaf, Eggs on back 



of, 133. 



Blue-bells, 80. 

 Brodiaea terrestris, Bud and 



flower of, 80. 



Bug, Little, a day old, 133. 

 Butterfly Lily, 82. 



Caddis-worm's House with 



"logs," The bigger, 140. 

 California Hydrophilidae, 30. 

 Calochortus Weedii, 82. 

 Case with Caddis-fly larva, 135. 

 Catch-poll, 9. 

 Caterpillar of Orgyia, 194. 

 Cerambyx heros, Larva of, 206. 

 " Chore," Sandy's unfinished, 



138. 



Chrysopa, 202. 

 Chrysopa, Cocoons of, 200. 

 Chrysopa, Eggs of, 196. 

 Chrysopa larva, 198. 

 Cocoon of Orgyia, 195. 

 Cocoons of Chrysopa, 200. 

 Communis, Cyclops, 122. 

 Corydalus cornutus, Pupa of, 



153. 



Corydalus, Horned, 151. 

 Corydalus, Larva of Horned, 



147. 



Cyclops communis, 122. 

 Cypris unifasciata. 122. 



Dermestidae, Larva of, 218. 

 Dodecatheoii Meadia, 81. 



Dragon-fly larva, Large, 6. 

 Dredger, Home-made, 75. 

 Dytiscus, 3. 

 Dytiscus marginalis, Larva of, 



59. 

 Dytiscus pupae, 73. 



Eggs of Chrysopa, 196. 



Eggs of Hydrophilidae, 35. 



Eggs of Water-boatman, 55. 

 I Eggs on back of blackberry 

 leaf, 133. 



Epaulette, Scorpion-bug bear- 

 ing, 18. 



I Fly, Golden-eyed, 202. 

 ' Fly, Tipulid, 88. 

 Frog-hopper, Larvae of, 105. 



Golden-eyed Fly, The, 202. 

 Gordius aquaticus, 118. 



Hippodamia convergens, 211. 

 Home-made Dredger, 75. 

 Horned Corydalus, 151. 

 Hydrachna geographica, 124. 

 Hydrophilidae, California, 30. 

 Hydrophilidae, Eggs of, 35. 

 Hydrophilidae, Larvae of, 36. 

 Hydrotrechus remigis, 2. 



Lady-bug, Larva of, 211. 

 Larvae of Hydrophilidae, 36. 

 Larvae, Red Dragon-fly, 48. 

 Larva, Case with Caddis-fly, 



135. 



Larva, Chrysopa, 198. 

 Larva, Large Dragon-fly, 6. 

 Larva, Mask of Libellula 



Dragon-fly, 9. 

 Larva, Water-mite, 124. 

 Larva of Cerambyx heros, 20(3. 



