Argynnis chariclea, A. polaris, freija, A. frigga 20 



Boulder Committee, Report of. 5 



Buried Drainage of Ohio 17 



Butterflies common to Norway and North America... 20 

 Coleoptera of Columbiana Co., preliminary list of.... 41 



Colias palaeno, C. hecla 20 



Condylura cristata, notes on 12 



Corvus americanus 12 



Cothurnia longipes 11 



Crow in winter, in Summit County, 12 



Cryptogamic flora of Summit County 40 



Diedrocephalus mollipes 32 



Dothidea glumarum 34 



Downy Woodpecker, nesting of. 15 



Dragon Flies of Ohio, Report on 11 



Drying botanical specimens, notes on 37 



Dryobates pubescens 15 



Empusa muscae, E, aulicae 31 



Empusa sphaerosperma, E. aphidis, E. jassi 32 



Entomophthoreae, notes on 21 



Erebia disa 20 



Erysipheae, notes on 36 



Fusarium culmorum 33 



F. roseum 34 



Grasses of Summit County, list of. 46 



Gibbera saubinettii 34 



Habia ludoviciana, abundance in Wayne County 16 



Indian corn, Evolution of. 32 



Infusoria, marine, observed at Woods Holl, Mass 10 



Insect Box. modified from Lintner 35 



51 



