V. Relation of the deciduous forest invertebrates to their environ- page 

 • ment 128 



1. Forest soil community 129 



2. The forest fungus community 135 



3. The forest undergrowth community 138 



4. The forest crown community 139 



5. The tree-trunk community 142 



6. The decaying wood community 148 



7. Interrelations within the forest association 157 



Ecologically annotated list: — 



I. Prairie invertebrates 158-201 



II. Forest invertebrates 201-238 



Bibliography 239-264 



Index - 265-280 



ARTICLE III. THE VERTEBRATE LIFE OF CERTAIN PRAIRIE 

 AND FOREST REGIONS NEAR CHARLESTON, ILLINOIS. BY 



T. L. HANKINSON. (16 Plates) Skptkmiser. 1915 281-303 



Introduction 281 



The prairie area, Station 1 282 



Amphibians and reptiles 284 



Birds 284 



Mammals 288 



Relations of the prairie vertebrates to their environment 289 



The forest area, Station II 291 



Fish, amphibians, and reptiles 293 



Birds 294 



Mammals ' 297 



Supplementary list of birds 298 



Relation of the woodland vertebrates to their environment 299 



Summary and conclusions 301 



ARTICLE IV. SOME ADDITIONAL RECORDS OF CHIRONOMID^ 

 FOR ILLINOIS AND NOTES ON OTHER ILLINOIS DIPTERA. 

 BY JOHN R. MALLOCH. (5 Pi.atks) DF.n-MiiKU. 1915 305-363 



Notes on blood-sucking Ceratopogonin;p.-. . 306-309 



Additions to list of Illinois Chironomidge: — 



Ceratopogonidge 310 



Tanypinte 317 



Descriptions of males of Ceratopogoninae previously unknown 317-319 



Immature stages of some Illinois Diptera (Scij.ridae and Mycetophil- 



idas ) and biological notes 319-324 



Predaceous and Parasite Orthorrhapha 324-342 



Key to pupae 325 



Bombyliidae 327 



