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INTRODUCTION. 





Iva Salle County is situated in the northwestern 

 quarter of the State of Illinois, between the parallels 

 of lattitude of 40 deg 1 ., 54 min. and 41 deg 1 ., 48 min. 

 N. and the meridians of 88 deg 1 . 35 min., 89 deg 1 . 10 

 min. W. .of Greenwich, the latitude of the northern 

 part of the State of California, the parallel of 41 deg 1 . 

 crossing- that state north of Reading 1 ; Tuscarosa, 

 Nevada; Og-den and Huntsville, Utah; Cheyenne and 

 Laramie City, Wyoming 1 ; Sidney, Central City and 

 Omaha, Nebraska; Council Bluffs, Indianola and Os- 

 kaloosa, Iowa; Kewanee, Morris and Kankakee, 

 Illinois; North Judson, Warsaw and Ft. Wayne, 

 Indiana; Defiance, Fostoria, Norwalk, Akron, Young's- 

 town, Ohio; Wilkesbarre and Williamsport, Pennsyl- 

 vania; the north part of New Jersey; Peekskill, New 

 York, and New Haven, Connecticut; Braga, Portugal; 

 Zamora and Barcelona, Spain; Porto Vecchio, Corsica; 

 Viletri and Campobosso, Italy; Durazzo, Monastir, 

 Seria and Sinope, Turkey; Nukha, S. E. of Tfliis, 

 Russia; Tashkent. Russia; Chengfte, China, and the 

 extreme north part of the island of Hondo, Japan, and 



