INDEX TO VOLUME XII. 
Alexander, C. P., 85. 
Anura, 33. 
Case, Susie, 79. 
Caldwell, J., 94, 95. 
Campbell, A. S., 69. 
Centipede, 24, 69, 79. 
67, 69, 82. 
Chamberlain, R. V., 1, 30. 
Cowles, R. B., 63. 
Corwin G., 72. 
Crane-flies, 85. 
Durant, W., 94. 
[Eremita analoga, 96. 
Food habits, 33. 
Hilton, W. A., 27, 57, 67, 82, 93. 
Leech, 67. 
Lepidopia myops, 95. 
Lizards, 63. 
Lorbeer, H., 96 
Microscopic life, 72, 74, 76. 
Millipedes, 24. 
Central nervous system, 1, 14, 27, 57, Mytilus, 27. 
Munz, P. A., 33. 
Nematode, 82. 
Nervous system, 57, 67, 68, 82. 
Pycnogonids, 93. 
Spiders, 1, 25. 
Sipunculida, 30. 
Snakes, 63. 
Toad, 78. 
Uca musica, 94. 
