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Identity of pathogene proved by culture............0 2.02000 0e: 124 
PUREE ROL MTEC CLIOUSHESS sciea-te versie es seize tielee sve aeleresavele oes 124 
Conidia produced in moist-chamber culture.................... 125 
HIN CHCOMN GIT maT CULALLOM & cay sie) ekete' acai cieiaiod cceret ove) oidehal ele Sle So bess 125 
RENCE AT VIL lide CE EME IVA onc svNa eee toraperet ch asec o)eMalis baie) ave'erelet Srelels ae Ge 6 gs 128 
PArection MHEHOMENS ODS WHEAL. oi ccc slew ccavesce cess were avswees 128 
Susceptibility of various hosts to infection........ estate aeanee tg We 
Summary concerning etiology of foot-rot.................20eeeee A BED 
II. Evidence and discussion of the occurrence of saltation within the 
genus Helminthosporium: 
“LADEN ONO (ee O7 ban Schott RCI OIE GB ARES CIC ORS Ate eRe See ee 139 
Characters of saltants as shown in transfers..............00-2e00es 141 
Tendencies in saltation.......- SSP Lee He or snsTer Vas avemre ciate see ate os eyo 145 
SauEMIS TI DBAS Pent Oa Schl ed TI LSS acto aislier cane ei eiey vey SoaleraveFarers avalos aitte th rResratea Aeriea 145 
Stability of the saltants through the conidia.....................5- 146 
MT MEET MES ULE OLE: Wier Peaves Nerescacisnensk sds Coivicde tiers aaene fost ee, ta eleve se) Eel Steieis 147 
, Supposititious causes of the variant sectors...............0ceeeeeee 147 
een PRED TIES CROC SITE LG COTULOUG, ai.c ch oraisvevntatarayaiavarereisisieie'e\nlslersnedcce dave 149 
REREPRETE OVER CIMeSes LALIOW Ge oie ciee Acie tok ce ah os es Pee Ok 3 150 
Saltabiom OCCULTeO. ON “VaTIOUSH#MEGIA ...\5 ics oe os dbie cic eles ce cle alescees 152 
Saltations and modifications occurring in test-tube cultures........ 152 
, pee R IHU RAEN SLUM TE A FELON er aeetele hee cra aheliol tele -aeyet cleralcl= iat sleretalctet e/clereee ctf > init 154 
Notes concerning selected individual saltants....................0- 155 
} epHpralmdiscussian) Of ‘SaltaniON= ais ac aisetacyes aisle gre draverels oda cable deri 157 
Tae ESENNST ESOT techn beta cada Parga tel al er Fhe aleset od Mele she oeiwsle oa dine y-aleld Seles 164 
RO POEICHU EEL OER oe ayaa ose teiafole iazshakatoranoe sisi alleys, ce elelate obeeidievaie:s\ oie wave re csevele boos bile 168 
SUHITERENAY Dodo pepe COMO OU DOD OE O.COn tICSn DOM AO Ce ROO Ee Oa eerie aeret 168 
Muiterature Cited .2...6..si0<< Ses Oo ea hao o OCR OG: ue EE eee 171 
Appendix: 
MUN EPEES (Emmet eed eee tc ey saad cfislc fore fet Cocoa Tol al ats atictn fereyeTsraieis Yopctarcsanchava avait wha autotetd 179 
List of Helminthosporiums used for purposes of comparison........ 181 
Discussion of foregoing list with several brief descriptions......... 184 
ARTICLE VI. THE NUMBERS AND LOCAL DISTRIBUTION IN 
SUMMER OF ILLINOIS LAND BIRDS OF THE OPEN COUNTRY. 
BY STEPHEN A. FORBES AND ALFRED O. GROSS. (36 PLATEs) 
BAM ReN eG ere a rat svectg stat vite tokcunitat’o1/-as ste! pile! aunhielsr chsia, ofs.5 iv Sige dei sip averore aieiicvers auda0e 187-218 
; Numbers of gregarious and solitary species, respectively............. 190 
Minera bh SUCCICS, DOCS CALS 6 cry.taraaialever soo ova ofc ae. siete o)eliele: slc:'eiehe olalle 192 
The most abundant birds by sections of the state.................0.-- 194 
The most abundant species of the whole state.....................45. 196 
@hanre or mumbers from North tO SOUL... .csi0 joc os vais et lalele es eee es 197 
RSE AMM MVC CUALION ALCAN sycfoic/s-slereieistaisvalend sl ciaielsielaysi eis sonic 8 salerd c¥eie s-ole¥ed 199 
PGE RITOMIOrOL, LLIMOIS PASLULES drinicls. © 0'sle/ce o14ie wdc ave |e'e o°e'eib'cle dled vlevelvie 6 200 
BERTIE NTRIS ALLO OVARIES ete ctevavere sos ey euaychstel ousiei ey o\cards anayevetnresol syelavmnote: oalee aide Wi olalele tele 201 
Birds in small grain and in stubble........ ofa} VsteyoresaYerovete" eles) osrete ial ea a's 203 
Mhe birds, Of the Corm eld ........0..o60 cece. Sra ites tarate ans Wi aiclaceldatar dems 8 205 
