1390 U.S. NATIONAL MUSEUM BULLETIN 23 7 part 3 



May 31 (median of 30 years, May 13); Knox County, May 14; 

 Athens, May 10 (average of 7 years, May 4). Kentucky — Bowling 

 Green, May 17. Missouri — St. Louis, May 30 (median of 15 years, 

 May 12). Illinois — Chicago, June 1 (average of 16 years, May 26); 

 Urbana, May 26 (median of 20 years, May 19). Indiana — Wayne 

 County, May 30 (median of 17 years, May 17). Ohio — central 

 Ohio, June 1 1 (median of 40 years, May 24) ; Oberlin, May 22 (median 

 of 19 years, May 18). Michigan — Detroit area, May 29 (mean of 10 

 years, May 24); Battle Creek, May 24 (median of 10 years, May 10). 

 Iowa — Sioux City, May 27. Texas — Austin, May 2; Sinton, April 29 

 (median of 7 years, April 9). Oklahoma — Cleveland County, May 5. 

 Kansas — northeastern Kansas, May 20 (median of 11 years, May 9). 

 Nebraska — Dakota County, May 27. South Dakota — Faulkton, 

 May 30 ; Sioux Falls, May 26. North Dakota— Cass County, May 26 

 (average, May 23). New Mexico — Los Alamos, May 10. Arizona — 

 Tempe, April 21. Colorado — Yuma, May 3. Wyoming — Torring- 

 ton, May 13. California — Inverness, May 22; Santa Barbara, May 1. 

 Oregon — Clackamas County, April 27. Washington — Seattle, May 9. 

 Early dates of fall arrival are: Washington — Seattle, October 7. 

 Oregon — Central Point, October 6. California — Sebastopol, Sep- 

 tember 25; Fair Oaks, October 6. Montana — Fortine, August 23. 

 Idaho — Moscow, October 7. Wyoming — Green River, September 23 ; 

 Sheridan, September 26. Colorado — Fort Morgan, September 19; 

 Denver, October 5. Arizona — mouth of Verde River, October 29. 

 New Mexico — Los Alamos, October 29. North Dakota — Jamestown, 

 September 4; Cass County, September 5 (average, September 10). 

 South Dakota — Aberdeen, September 9; Sioux Falls, September 24. 

 Nebraska — Lincoln, September 27 (average of 13 years, October 8). 

 Kansas — northeastern Kansas, September 27 (median of 9 years, 

 October 19). Oklahoma — Payne County, October 7. Texas — Aus- 

 tin, October 21 ; Sinton, October 30 (median of 5 years, November 11). 

 Minnesota — -Minneapolis-St. Paul, August 27 (average of 11 years, 

 September 19). Wisconsin — Wausau, August 15; Forest and Lang- 

 lade Counties, August 28. Iowa — Sigourney, September 28; Sioux- 

 City, average of 11 years, September 30. Michigan — Detroit area, 

 September 3 (mean of 10 years, September 13); Battle Creek, Sep- 

 tember 20 (median of 16 years, September 29). Ohio — central Ohio, 

 September 12 (median of 40 years, September 25). Indiana — Wayne 

 County, September 20 (median of 16 years, September 28). Illinois — 

 Chicago, August 30 (average of 16 years, September 8). Missouri — 

 St. Louis, September 10 (median of 15 years, September 28). Ken- 

 tucky — Bowling Green, September 23. Tennessee — Nashville, 

 September 16; Knox County, October 3. Arkansas — Little Rock, 

 October 10; Fayetteville, October 12. Mississippi — Rosedale, Oc- 



