BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 73 
706. Osborn, H. A woolly louse ou Scotch pines. <College Quarterly, 
May, 1879, v. 2, p. 10. 
Occurrence and life history of Chernies pinicorlicis. 
707. Osborn, H. The oyster-shell bark louse. <College Quarterly, 
May, 1879, v. 2, p. 10. 
Abundance of Mytilaspis pomicorticis [=pomorum\ ; attacks of mites. 
708. Osborn, H. A grub with legs on its back. <Aurora, May, 1879, 
v. 7, p. 5. 
Describes a larva from the pith of ash twigs; its method of progression. 
709. Osborn, H. Ash-tree borer. <College Quarterly, May, 1S79, 
v. 2, p. 10. 
Occurrence of Trochilium denudatum [t = Podosesia syringes']] notice of its 
parasite. 
710. Osborn, H. The grain weevil. < Western Stock Journ. and 
Farmer, June, 1879, v. 9, p. 117. 
Introduction of Sitophilus [= Calandra] granaria; its ravages and remedies. 
711. Osborn, H. The May beetle or June bug— Lachnosterna fusca. 
<Western Stock Journ. and Farmer, June, 1879, v. 9, p. 118. 
Life history; remedies. 
712. Osborn, H. An entomological ramble. <College Quarterly, 
July, 1879, v. 2, p. 32. 
Notes on Aphis [ = Myzus~] cerasi and its parasites and on phytoptid galls on 
maple; a tortricid and its parasites; Dryocampa rubicunda, and Chermes 
pinicorticis ; remedies. 
713. Osborn, H. Insects working on cabbage. <College Quarterly, 
July, 1879, v. 2, p. 33. 
Habits and life histories of Pieris protodice and P. rapee; remedies. 
714. Osborn, H. Insects of importance to the engineer. <Aurora 
[Ames, Iowa], July, 1879, v. 7, p. 6. 
Notes the relations of insects to buildings, bridges, etc. 
715. Osborn, II. Insects injurious to soft maples. <Western Stock 
Journ. and Farmer, July, 1879, v. 9, p. 142. 
Notes on Dryocampa rubicunda, Tortrix sp. ? and Phytoptus quadripes. 
716. Osborn, H. The fall webworm. <Western Stock Journ. and 
Farmer, August, 1879, v. 9, p. 165. 
Habits and life history of Hypliantria textor [=cunea~\ ; means against. 
717. Osborn, H. The fall webworm. <College Quarterly, Septem¬ 
ber, 1879, v. 2, p. 57. 
Abundance of Hyphantria textor [=cwnea]; life history; preventives. 
718. Osborn, H. The white-marked tussock-moth. ^College Quar¬ 
terly, September, 1879, v. 2, p. 57. 
Habits of and means against Orgyia leucostigma. 
719. Osborn, II. Insect items. <College Quarterly, September, 1879, 
v. 2, p. 58. 
Notes on Brachypeplus magnus; means against Pempelia hammondi; Gryllo- 
talpa borealis damaging potatoes. 
