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

 meut 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 lis^t: — 



I. Prairie invertebrates 158-201 



II. ForeL-it invertebrate:; 201-238 



Bibliography . . .• 239-264 



Index , 265-280 



ARTICLE III. THE VERTEBRATE LIFE OF CERTAIN PRAIRIE 

 AND FOREIlT regions NEAR CHARLESTON, ILLINOIS. BY 

 T. L. HANKIUSON. (16 Plates) Sf.ptfmber. 1915 281-303 



Introduction 281 



The prairie area, vltation 1 282 



Amphibians and reptiles 284 



Birds 284 



Mammals 288 



Relations of the pn irie vertebrates to their environment 289 



The forest area, Stat Urn 11 291 



Fish, amphibians, ; nd reptiles 293 



Birds 294 



Mammals 297 



Supplementary list of birds 298 



Relation of the woodland vertebrates to their environment 299 



Summary and ccmclusion i 301 



ARTICLE IV. SOME ADDITIONAL RECORDS OF CHIRONOMID.^ 

 FOR ILLINOIS AND NOTES ON OTHER ILLINOIS DIPTERA. 

 BY JOHN R. MALLOCII. (5 Pi.atks) Decembku. 1915 305-363 



Notes on blood-sucking Ceri topogonina? 306-309 



Additions to list of Illinois Chironomidae: — 



Ceratopogonidae 310 



Tanypinaj 317 



Descriptions of males of Ceralopogoninge previously unknown 317-319 



Immature stages of some Illinois Diptera (Scic.ridse and ]VIycetophil- 



ids ) and biological notes 319-324 



Predaceous and Parasite Orthorrhapha 324-342 



Key to pup* 325 



Bombyliidse 327 



