van 
No, 25. Some hints for prespective beekeepers, 8 p. 
No. 26. The natural history of bees. 28 p., 2 plates, 
No, 27. How to handle bees. 19 p., illus. 
Danmerwan, K, W. Landbouwdierkunde van Oost-Indie. De schadlijke nut- 
tige dieren voor land-, tuin-en boschbouw in Oost-Indie. Amsterdam, 
J» H, de Bussy, £919.) 368 Be illus,, 39 plates (part colored), Lit- 
erature) D, o7=-dc, 

Emerson, F, W. Agricultural geology. 319 p., illus. New York, John. Wi- 
ley & Son; London, Chapman & Hall, 1920, Soil maps, p. 299-308. 
Ferris, G.F. Scale insects of the Santa Cruz Peninsula, 57 p., illus. 
Stamford Univ., Calif. 1920, (Stanford Univ, Pub. Univ. Ser.’ Biol. 
DEL Vek NO cele) 
Great Britian-Forestry commission Bulletin 2, Survey of forest conditi- 
ons in the British Isles, 35 p., illus., 3, pl), map, London, Prin-= 
ted and published by His Majest#¥'s stationery office, May, 1920. 
Hirst, Stanley. The genus Demodex Owen, 44p., illus,, 13 pl. (British 
Museum (Nat. H st.) Dent. of Zoclogy. Studies on Acari No, Ex 
Howe, R, H. Manual of the,Odonata of New England, 102p,, illus., fold, 
pl. Concord, Mass,, Middlesex School, 1917-1980. (Thoreau MMsevm Nat~ 
ural History, Memoir 2. ) 
Loeb, Jaques. Forced movements, tropisnis and aninal conduct. 209 paged be 
Philadelphia and London, J. B. Lippincott Co., 1918. Literature, p. 
173-205" 
Maxson, A,G, Principal insect enemies of the sugar beet in the territories 
adetved by the Great Western Sugar Company. 157 p., 9 col. pl. Denver, 
Great Western Sugar Company, Agricultural Department, 1920, 
Official army register for 1920, Published by order of the Secretary of War, 
The Adjutant General's Office. 1188p. January, 1920. 
Taubenhaus, J. J, Diseases of greenhouse crops and their control. 429 p. 
New York, %P.«Dutton & Company, 1920; Greenhouse insects, p. 365-378. 
Veitch, Robert. The corn borer in Fij4. 23 p., illus. Sydney, Oct.,1919. 
(ealcnied Sugar Refining Company. Agricultural Report No. 4) Rhabdoc- 
nemis obscura, 
Virginia State emtomologist and plant pathologist. Report 12 for 1918-19, 
January, 1920, (Virginia State Crop Pest Commission, Quar. Bul., v. 1, 
Now 4.) 
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