220 



INDEX 



Injurious effects of bacteria, H. B., 23. 

 Insecticides, A. B., 61. 

 Insect net, A. B., 1, Fig. 1. 



boxes, A. B., 3, Fig. 5. 



collections, A. B., Fig. 4. 



killing bottle, A. B., 1, Fig. 2. 



spreading board, A. B., 2, Fig. 3. 

 Insects, A. B., 1-61. 



a danger to forests, P. B., 137. 



additional topics, A. B., 5961. 



bees, A. B., 31-43. 



butterflies and moths, A. B., 1-22. 



destruction of, by birds, A. B., 84. 



flies, A. B., 57-59. 



grasshoppers, A. B., 22-31. 



loss of crops due to, P. B., 117. 



mosquitoes, A. B., 43-57. 



moths, A. B., 13-22. 

 Insoluble salts, H. B., 94. 

 Inspiration, H. B., 124, 130, 131. 

 Intemperance, cost of, H. B., 75. 

 Intestinal glands, H. B., 97. 

 Intestine, 



of fish, A. B., 130, Fig. 98. 



of frog, A. B., 108, 110, Fig. 80. 



of man, H. B., 2, 97, Fig. 26. 

 Invertebrates, A. B., 190, 192, 193. 

 Involuntary muscles, H. B., 94, 151. 

 Iodine solution, preparation, P. B., 15. 

 Iris, 



of fish, A. B., 62. 



of man, H. B., 163. 

 Irrigation, P. B., 111. 

 Isinglass, A. B., 142. 



Jaundice, H. B., 102. 

 Jellyfish, A. B., Fig. 127. 

 Jenner, Dr. Edward, H. B., 40. 

 Joint, H. B., 147, Fig. 45. 

 Jungle fowl, A. B., Fig. 63. 

 Jute, P. B., 145. 



Katydids, A. B., 31. 

 Kerosene, P. B., 133. 



emulsion of, A. B., 61. 



treatment for mosquitoes, A. B., 55. 

 Kingbird, A. B., Fig. 69. 

 Kingfisher, A. B., 73, Fig. 58. 

 Koch, Sir Robert, H. B., 30, Fig. 13. 



Labial palps, 



of bee, A. B., 32. 



of butterfly, A. B., 7. 



of grasshopper, A. B., 23. 

 Laboratory, 



equipment, H. B., 171-177. 



table, H. B., 171. 

 Labrum, A. B., 23, Fig. 18. 

 Large intestine, H. B., 98. 



absorption in, H. B., 101. 

 Larva, 



of bee, A. B., 40, Fig. 29. 



of butterfly, A. B., 12, Fig. 6. 



of mosquito, A. B., 43, Figs. 31, 32. 

 Larynx, H. B., 125. 

 Lateral buds, P. B., 53. 

 Lateral line, A. B., 137. 

 Layer, P. B., 106. 



Laws relating to bird protection, A. 

 B., 97. 



to protection of fish, A. B., 150. 

 Lazear, Dr. Jesse, A. B., 51, Fig. 35. 

 Leaflets, P. B., 56. 

 Leaf scars, P. B., 53. 

 Leaf -stalk, P. B., 55. 

 Leaves, 



arrangement of, P. B., 52. 



structure of, P. B., 55. 

 Leg, skeleton of, A. B., Fig. 51 ; 



H. B., 146, Fig. 44. 

 Lenticels, P. B., 51, 55, 62. 

 Lepidoptera, A. B., 10. 

 Lettuce, P. B., 127. 

 Life history, 



of a seed plant, P. B., 195. 



of bee, A. B., 40, Fig. 29. 



of bird, A. B., 70. 



of butterfly, A. B., 10-12, Fig. 6. 



of crayfish, A. B., 159. 



of fish, A. B., 137, Fig. 103. 



of frog, A. B., 114, Fig. 84. 



of grasshopper, A. B., 28, Figs. 19, 

 20. 



of house fly, A. B., 57, Fig. 41. 



of house mosquito, A. B.,43, Fig. 31. 



of malaria-transmitting mosquito, 



A. B., 46, Fig. 32. 

 Life insurance and total abstinence, 

 H. B., 73. 



