INDEX. 
43 
Noturus, I, 50, II, 67, III, 42f, 43f. 
Plea Beetles, III, 50f. 
flexilis, Nais, III, 50f. 
Flicker, IY, 186, VI, 16*, 26*, 27*. 
Yellow-shafted, IV, 186. 
Flies, III, 50+, VI, 15f. 
Florida, IV, 193. 
caerulea, IV, 193. 
Florida Cormorant, IV, 201. 
Gallinule, IV, 198. 
Jay, IV, 206. 
Floridan Blind Snake, V, 45. 
Chameleon, V, 49. 
Crocodile, V, 58. 
Skink, V, 46. 
floridana, Aphelocoma, IV, 206. 
Ortyx, IV, 192. 
Rhineura, V, 45. 
floridanus, Phalacrocorax, IV, 201. 
Sceloporus, V, 48. 
floris-rapae, Aphis, II, 12. 
fluminea, Zaitha, II, 76f. 
fluviatilis, Sterna, IV, 202. 
Fly, VI, 43f. 
larvae of, III, 90f, VI, lOlf . 
Flycatcher, Fork-tailed, IV, 206. 
Great Crested, IV, 184. 
Green- crested, IV, 184. 
Least, IV, 184. 
Olive-sided, IV, 184. 
Scissor-tailed, IV, 206. 
Traill’s, IV, 184, VI, 15*, 26*, 27*. 
Yellow-bellied, IV, 184, VI, 15*, 
26*, 27*. 
Flycatchers, VI, 15*. 
Tyrant, IV, 184, 206. 
Fly-catching Thrushes, IV, 172. 
Warbler, Canadian, IV, 175. 
-up-the-creek, IV, 193. 
foeda, Limosa, IV, 196. 
folium, Polyodon, I, 51, II, 69, 82*, 86*. 
Fontinalis, II, 22. 
Food of Birds, The, III, 80-148. 
of Fishes, The, III, 18-65. 
of Illinois Fishes, The, II, 71-89. 
of Predaceous Beetles, Notes upon 
the, III, 149-152. 
of young Fishes, On the, III, 66-79. 
of the common White-fish, The 
first. (Coregonus clupeiformis, 
Mitch.), VI, 95-109. 
of the smaller fresh-water Fishes, 
The, VI, 65-94. 
relations of the Carabidae and Coc- 
cinellidae, The, VI, 33-64. 
forbesi, Cyprinella, II, 57. 
Forbes’ Red-fin, II, 57. 
Forbes, S. A., I, 33, 37, 67, 69, II, 37, 
39, 47, 52, 58, 59, 66, 92, V, 4. 
Descriptions of Fishes, II, 40, 41, 
43, 53, 56, 58, 59, 60. 
Key to the species mentioned in the 
preceding paper [List of Illi- 
nois Crustacea], I, 17-24. 
List of Illinois Crustacea, with de- 
scriptions of new species, I, 
3-25. 
Notes on Fishes, I, 35, II, 67, 68. 
On some Entomostraca of Lake 
Michigan and its adjacent 
waters, cited, VI, 105. 
On some Interactions of Organ- 
isms, III, 3-17, cited, III, 85. 
On the Crustacea eaten by Fishes, 
II, 87-89. 
On the food of young Fishes, III, 
66-79. 
Studies of the food of Birds, In- 
sects and Fishes, made at the 
Illinois State Laboratory of 
Natural History at Normal, 
Illinois, VI, 1-110. 
The first food of the common White- 
fish (Coregonus clupeiformis, 
Mitch.), VI, 95-109. 
The food of Birds, III, 80-148, 
cited, II, 72. 
of Fishes, III, 18-65, cited, VI, 65. 
of the smaller fresh-water Fishes, 
VI, 65-94. 
The food relations of the Carabidae 
- and Coccinellidae, VI, 33-64. 
The regulative action of Birds upon 
Insect oscillations, VI, 3-32. 
Foresteria, I, 27. 
forficatus, Elanoides, IV, 188. 
Milvulus, VI, 206. 
Forficula aculeata, I, 59. 
Forficulidae, I, 59. 
Fork-tailed Catfish, II, 66. 
Great, I, 50, II, 66. 
Dace, I, 46. 
