- 612 - 
Chaitophorus populicola, 2140 
Chalk,' 2462 
Cheimatobia brumata, 1826 - 1828, 2048, 2065 
Chermes abietis, 2227, 2245, 2246, 2249, 2374 
11 cooleyi, 2374 
11 pinicorticis, 2255 
" similis, 2227 
Chilo simplex, 2075, 2172 
Chionaspis furfura, 2055 
11 pinifoliae, 2249, 2251 
Chordata, 2150 
Chortophila fusciceps, 2061 
Chromaphis juglandicola, 2067, 2273, 2275, 2282 
Chrysomphalus aurantii, 2232 
Cica&ula sexnotataj 2411 
Cirphis unifuncta, 1861 
Clastoptera vittata, 1809, 1811 
Clay, 1857, 2274, 2289, 2294, 2295 
Clysia ambiguella, 1534 - 1588, 2045, 2129, 2131, 2132, 2134, 2135, 
2157, 2270 - 2272 
Cnethocampa pinivora, 1905, 1906 
Coal-tar derivatives, 1726 
Coal-tar dyes, 2167 
Coccids, 1982, 2038, 2082, 2093, 2113, 2137, 2201, 2339, 2367, 2392 
Cockroaches, 1976, 1988, 2002, 2122, 2145, 2175, 2178, 2179 
Coleophora anatipenella, 1753 
" malivorella, 2237 
11 nigricella, 1750 - 1753 
" pruniella, 1754 
" volckei, 1755 
Collembola, 1311, 1962 - 1968, 2338 
Conchylis (see Clysia) 
Conotrachelus nenuphar, 2306 
Contarinia viticola, 2461 
Coposil, 2038 
Copper resinate, 2244 
" sprays, 2271 
11 sulphate, 1537, 1538, 1546, 1549, 1550, 1559, 1570, 1575, 
1585, 1612, 1760, 1789, 1973, 2010, 2114, 2157, 2276, 
2309, 2328 
Corn syrup, 1643 
Corrective, 2181 
Corrosive poison, 2157 
Corythuca annulata, 2057 
Cosmophila erosa, 1916 
Cracca virginiana, 2033 
Crambus caliginosollus, 1917 
» haytiellus, 1918 
" hortueilus, 1803, 1811 
trisectus, 1919 
n 
