CONTENTS. 
ft 
— Lepidosteida*., 75. — Summary, 75. — Table of the Food of Young 
Fishes, 78. 
The Food op Birds ...... o fa 
Introduction, 80. — Methods, 86. 
Family Turdidce (the Thrushes A 89. — Turdus migratorius, L. (the 
Robin), 89. — Recapitulation, 97. — Economical Relations, 101. — 
Table of the Food of the Robin, 104. — Mimus carolinensis, L. 
(the Cat-bird), 107. — Recapitulation, 112. — The Catbird and the 
Robin, 113.— Economical Relations, 114. — Table of the Food of 
the Cat-bird, 116. — Harporhynchus rufus (the Brown Thrush), 
118. — Summary for the Year, 122. — Recapitulation, 123. — Econ- 
omical Value, 124’ — Table of the Food of the Brown Thrush, 
125. — Turdus mustelinus, Gm. (the Wood Thrush), 127.— Hylo- 
cichla pallasi, Cab. (the Hermit Thrush), 129.— Turdus aliciae, 
Bd. (the Alice Thrush), 130.— Turdus swainsoni, Cab. (Swainson’s 
Thrush), 131. — Mimus polyglottus, L. (the Mocking-bird), 131. — 
Conclusion, 132. — Table of the Food of the Thrushes in April 
and May, 135. — Table of the Food of the Thrushes, 136. 
Family Saxicolidce ( the Stonechats), 137. — Sialia sialis, L. (the Blue- 
bird), 137. — Summary for the Year, 144. — Economical Relations, 
145. — Table of the Food of the Bluebird, 147. 
Notes upon the Food of Predaceous Beetles . . . / 4> 2- 
Notes on Insectivorous Coleoptera . . . M&r / 
Mouth Structures of Carabidae, 153. — Food of the Carabidae, 154. — 
Food of Podabrus, 158. — Food of Coccinellidae, 158. 
BULLETIN No. 4. 
A Revised Catalogue of the Birds Ascertained to Occur in Illi- 
nois . . . . . .161 
Preface . . . . . . 163 
Table of Families of Birds Represented in the Avian-fauna of Illinois, 
given in Order of Number of Species . . .167 
The Number of Species belonging to each Family which Breed in the 
State . . . . .167 
Bibliography . . . . ... 168 
Catalogue of the Birds of Illinois .... 171 
Order Passeres, 171. — Family Turdidae (Thrushes), 171. — Family Sax- 
icolidse (Stonechats and Bluebirds), 172. — Family Ptilogonatidae 
(Fly-catching Thrushes), 172. — Family Silviidae (True Warblers), 
172. — Family Paridae (Titmice or Chickadees), 172. — Family 
Sittidae (Nuthatches), 172.— Family Certhiidae (Creepers), 173. — 
Family Troglodytidae (Wrens), 173. — Family Motacillidae (Wag- 
tails and Titlarks), 173. — Family Mniotiltidae (American Warb- 
lers), 173. — Family Vireonidae (Vireos or Greenlets), 176. — Fam- 
ily Laniidae (Shrikes), 176. — Family Ampelidae (Wax- wings), 
176. — Family Hirundinidae (Swallows), 177. — Family Tanagri- 
dae (Tanagers), 177. — Family Fringillidae (Finches, Sparrows, 
and Buntings), 178. — Family Icteridae (American Starlings), 182. 
—Family Corvidae (Crows and Jays), 183. — Family Alaudidae 
