a 
BIBLIOGRAPHY 
ANONYMOUS. 
(1) 
ON nue HESSIAN FLY. Amer. Mus. [Matthew Carey’s] 1: 143, 324-326. 
1787. 
Letter from subscriber, relating to fly spread; discovery on Staten Island 
| about 1779; spread at rate of 20 miles a year, p. 148. Letters from sub- | 
| scribers touching on: Spread of fly at rate of 15 miles annually; brief life i 
history, habits, and control; discovery of fly in 1785; effect on wheat, pp. i 
324-326. . i 
(2) | 
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MODE PROPOSED OF PREVENTING THE DESTRUCTION OF WHEAT BY THE HESSIAN 
FLY. By a Landholder. Amer. Mus. [Matthew Carey’s] 4: 47. 1788. 
Expresses alarm at spread of fly; control. 
(3) 
‘} LETTER RELATIVE TO HESSIAN FLY. Pa. Packet and Daily Advertiser i 
| 2908: 3. May 29, 1788. 
Correspondence from Falls Township, Bucks County, May 20, discussing i 
| fly, spread, injury, seasonal history. 
ACCOUNT OF THE PROGRESS OF THE HESSIAN FLY. Amer. Mus. [Matthew | 
| Carey’s] 4: 47. 1788. aly 
Communication from Bucks County, Pa., regarding origin and spread of ah 
| fly; damage in New Jersey; brief description. ! 
(5) ‘i 
NOTICES FOR A YOUNG FARMER. Amer. Farmer 1: 57, 82, 89. 1819. nf 
Notes on fly, from letters of correspondents; brief review of Say’s Some if 
Account of the Insect Known by the Name of the Hessian Fly, and of an ih 
Insect That Feeds on It. | 
(6) i 
{HESSIAN FLY.] Amer. Farmer 1: 172. 1819. 
| Notes on fly-resistant qualities of Lawler wheat, and of immunity of rye to H 
ravages of fly. | 
(7) iM 
ON THE HESSIAN FLY AND THE PROPER DEPTH OF SOWING. By a Frederick iH 
| County farmer. Amer. Farmer 2: 135, 167-168. 1820. \ 
Further discussion on grazing for control, with merits of late and early 
sowing, p. 185; merits of deep and shallow seeding for control; grains favored 
by fly; and spread of fly by means of volunteer grain, pp. 167-168. 
[ON THE HESSIAN FLY.] By a correspondent. Amer. Farmer 2: 200. 1820, 
Disagrees with theory that frost kills ova of fly. 
ON THE HESSIAN FLY AND THE PROPER DEPTH OF SOWING. By a King William 
farmer. Amer. Farmer 2: 127-128, 1438-144. 1820. 
Disagrees with theory of grazing for control and advocates early sowing, 
pp. 127-128. Further discussion on efficacy of grazing wheat in control of 
fly, pp. 148-144. 
(10) I 
| je 4 i! 
| ON THE HESSIAN FLY AND ON THE PROPER DEPTH OF SOWING. By a King “ina 
William farmer. Amer. Farmer 2: 151. 1820. / i 
| Discussion of controversy on control methods. i 
