BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
71 ' 
912. Rolfs, P. H. A fungus disease of the San Jose scale. <Bull. 
No. 41, Fla. Agric. Exp. Sta., August, 1897, pp. 519-536, 2 
pis. 
Notes on Sphserostilbe coccophila. 
913. Rolfs, P. H. A fungus disease of the San Jose scale. <Proe. 
Ga. State Hortic. Soc., 1897, pp. 33-35. 
914. Rolfs, P. H. Cucumber, melon, and tomato pests. <Fla. 
Farmer, 15 January, 1898, 2 tigs. 
Notes on Melittia ceto, Margaronia nitidalis, M. hyalinata, and Heliothis 
armiger. 
915. Rolfs, P. H. Diseases of the tomato. <Bull. No. 47, Fla. 
Agric. Exp. Sta., September, 1898, pp. 141-145. 
Notes on Heliothis armiger and Phytoptus causing a hairy whiteness of the 
buds. 
916. Rolfs, P. H. Orange diseases and insects. <llth Ann. Meet. 
Fla. State Hortic. Soc., 1898, pp. 34-38, 4 tigs. 
Notes on Dgsdercus suturellus, Thrips tritici, Trypeta ludens, Tetrany elms sex- 
. maculatus, and Lecanium hesperidum. 
917. Rolfs, P. H. Injurious insects and diseases of the year. <llth 
Ann. Meet. Fla. State Hortic. Soc., 1898, pp. 85-93, 11 tigs. 
Notes on Eudamus proteus, Hydrocampa cannalis, Pamera vincta, and Aspidi- 
otus perniciosus. 
918. Rolfs, P. H. Pineapple fertilizers. <Bull. No. 50, Fla. Agric. 
Exp. Sta., May, 1899, pp. 99-102. 
Notes on Stigmseus sp., Diaspis bromelise, and Dactylopius citri as injuring 
pineapple. 
919. Rudd, W. N. Freezing and steaming soil to destroy eel-worms. 
<Amer. Florist, 10 June, 1899, pp. 1333-1334. 
920. Sanderson, E. D. Some common plant lice of the orchard and 
garden. <Southern Ruralist, April, 1897. 
921. Sanderson, E. D. Some foes of the cabbage. <1. Southern 
Ruralist, December, 1897. II. Ibid., January, 1898. 
Treats of various species. 
922. Sanderson, E. D. The Western corn root-worm. <Country 
Gentleman, 20 January, 1898, p. 53, 2 tigs. 
Treats of Diabrotica longicomis. 
923. Sanderson, E. D. Cutworms. <Fla. Farmer, 19 February, 
1898. <Southern Ruralist, February, 1898. 
A general article. 
924. Sanderson, E. D. Some melon-patch thieves. <Southern 
Ruralist, March, 1898. <Fla. Farmer, 26 February, 1898. 
Notes on Diabrotica vittata, D. 12-punctata, Epilachna borealis, Margaronia 
nitidalis, M. hyalinata, Melittia ceto, Leptoglossus phyllopus, Anasa tristis, and 
Aphis gossypii. 
