APPE]\DIX XVIII. 



EELATIXG TO THE EGGS. 



[Ans^^ers to the follo^ving qnestions in circular No. 1 : 3. Date -when the first eggs, if 

 any, were deposited the present year. 4. Date when the eggs were most numerously 

 hatching the present year. 5. Date when the eggs were most numerously hatching 

 in previous years. 6. Proportion of eggs that failed to hatch the present year and 

 probahle causes of such failure. 7. Nature of the soil and situations in which the 

 eggs were most largely deposited. 8. Nature of the soil and situations in which the 

 young were most numerously hatched.] 



COLORADO. 



La Porte, Larimer County. — 3. No eggs deposited this year. 4. From the middle of 

 May to the middle of June. 5. During May. 6. One-fourth on account of parasites. 



7. Gravel-patches, meadows, and pasture, whether heavy clay, sand, or gravel. 8. 

 Gravel places first ; clay and sand next. — [E. N. Garbutt. 



Greeley. — 4. In the middle of May they hatched out in considerable numbers in some 

 spots, and were all around my wheat, hut by keeping the water running in the ditches 

 all the time I have been able to head them off, and then we had a heavy and cold 

 snow-storm. 6. From what I hear there was a good many all formed and just ready 

 to come out, and would have hatched out right, but the snow-storm reduced them. 7. 

 Sandy and dry knoll. 8. Sandy knolls and hill-sides with a southern exposure. — [H. 

 Smith. 



DAKOTA. 



Olivet, Hutchinson County. — 4. April and May. 7. Bare ground. 8. Black, sandy 

 mold ; high, dry places. — [Jones. 



Bonlioynme, Bonhomme County. — 4. Fifth to tenth of May. 6. About one-fourth failed ; 

 cause, warm weather in midwinter followed by extreme cold. 7. Light, sandy soil. 



8. Light, sandy soil. — [Bradford. 



Wahpeton, Bicliland County. — 4. Commenced May 10 ; most numerous by May 25, con- 

 tinuing until after June 27, 1877. 6. Few failed ; cause, small worm and small bug. 7. 

 Most thoroughly packed sandy soil. 8. Most thoroughly iDacked sandy soil.— [Smith. 



Sayhrook, Clay County. — 4. About May 15. 7. South side of side hills and in gravelly 

 or sandy ground. — [Hall. 



Milltown, Armstrong County. — 4. About May 15. 6. Nine-tenths; cause, wet weather. 

 Early spring followed by freezing. 7. High dry soil; new plowing and breaking. 8. 

 On grass lands. — [Taylor. 



Sioux Falls, Minnehalia County. — 4. Nearly all hatched. (Date of letter May 26, 1877.) 

 The heavy rains retarding the hatching. 6. About half. 7. On last year's breaking 

 and sandy knolls, and other places where the ground was not shaded by vegetation. 8. 

 Appears to be no difference, except that the hatch is a week later in low places. — 

 [Everett. 



Sioux Falls, Lincoln County. — 4. April 20 to May 15. About May 5 most numerous. 

 6. Some destroyed by birds and some by parasites. 7. Sandy soil ; new breaking. — 

 [Jacobs. 



Sioux Falls, Minnehaha County. — 4. In February and in May (5 to 18). 6. About two- 

 thirds failed ; alternate cold and warm weather ; parasites. 8. Breakings ; sandy 

 soils and south side of hills. 9. About two weeks after hatching.— [Unknown. 



Jamestown, Stutsman County.— 4. Few from May 10 to 28. 5. May 12 to 20, 1874. 7. 

 Sandy, high, rolling prairie. 8. Ditto. — [Moore. 



Sioux Falls, Minnehaha County.— 4. From 10 to 18 of May. 6. Nearly all hatched. 7. 

 On last year's breaking almost exclusively. 8. Have hatched in all situations, bat 

 those on low ground were the last to hatch. — [Clark. 



Dell Bapids, Minnehaha County.— 7. On new breaking. 8. Undisturbed sod.— [Hill. 



IOWA. 



Alta, Buena Vista County. — 6. One-third failed ; cause, deep plowing and harrowing 

 in the fall and in February. 7. Breakings, roads, gardens, and sandy rolls.— [Thomp- 

 son, 



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