_—— 
INDEX. 15 
Rockwood, Charles G., letters from, 11, 12, 13 
Rubus’ strigosus as a food-plant of the Arm y 
Worm, 10 
Spruce bud worm, further facts regarding the 
extent of the ravages of, 26 
Stirrer pump for poisoning, 40. See Poisoning 
machinery 
S. 
Saw-fly on cranberry, 12 
extent of injury, 12 
mode of attack, 12 
not the depredator, 13 
refusal of cranberry leaves by larva of,13 | Tortricid larva on cranberry, 15 
the larch, 28 mode of attack, 15 
Schizoneura, experiments with pyrethrum upon, Tortrix fumiferana on the coast of Maine, 27 
23 | 
Schwarz, E. A., report of, on observations in the 
cranberry fields of New Jersey, 13 
Silk, measurements of— 
fineness, 57 
Au 
Vv. 
Vitis labrusea as a food-plant of the Army Worm, 
tables, 59, 60, 61 | 10 
strength and stretch, 62 
how obtained, 63 de 
tables giving results, 64, 65, 66, 67, 68 | 
preparation of, for examination, 57 | Xystus, 50 
a) 
~~ 
