- 616 - 
Heated spray, 1783 
Heliothis obsolete, 1879 - 1882, 2179 
Heliothrips fasciatus, 2062, 2067, 2226 
11 femoralis, . 2108,. 2483 
11 ' haernorrhoidalis, 2088, 2104, 2478 
Hellebore, 1910 
Hellula undalis, 1846, 1925 
Kelochara coinnraiiis, 2411 
Hemerocampa leuco stigma, 1613 
Hemerophila pariana, 1833 - 1835 
Hercothrips fasciatus, 2242 
Heterocordylus malinus , 2051, 2052, 2064, 2066, 2069, 2287, 2296, 
2423 
Heterodera radicicola., 2054 
Hippodamia convergens, 2062 
Histological changes, 2168, 2176 I 
11 methods, 2137 
History of tobacco extracts, 2006, 2022, 2032 ] 
Honeybees, 2137, 2152, 2156 
How nicotine kills , 1666, 1695, 1703, 1994, 2078, 2088, 2121 - 2140, 
2142, 2143, 2146, 2147, 2149 - 2151, 2155, 2157, 2172 
Hyalopterus arundinis, 2066, 2067 
Hylemyia antiqua, 2462 
Hyphantria cunea, 2283 
Hyponomeuta realinellus, 1777 - 1786, 1788, 1793 
11 padellus, 1784 - 1786 
Illinois pisi, 2073, 2312, 2375, 2376 
Injection of nicotine, 2122, 2148, 2149, 2167, 2170 
Incurvaria cnpitella, 1926 
" triraaculella, 183 6 
Insectifuge, 1552, 2125, 2132 
Iron sulphate, 1546, 2253 
Isotoma minuta, 2064 
11 viridis, 2492 
Isotomurus palustris, 2491, 2492 
Jassids, 2240, 24-11, 2412 
Kaliosysphinga ulmi, 1745 
Kaolin, 2273 - 2276, 2282 - 2284, 2288, 2298, 2302, 2305, 2456, 
2463, 2464 
Kermes salicis, 2053 
Kerosene emulsion, 1541, 1591, 1610, 1631, 1757, 1777, 1780, 1838 
1845, 1860, 1872, 1973, 2020, 2050, 2055, 2104, 2152, 
2154, 2200, 2281, 2305, 2352 
Kieselguhr, 2288 
Larvicide, 1637, 1669, 1767 
Lasiodcrma serricorne, 2088 
Laspcyresia glycinivorella, 1928 
» molesta, 1712 - 1740, 2470 
" nigricans, 1927 
