64 AX ECONOMIC STUDY OF FIELD MICE. 
5. (Mean mowing of grass lands and permanent meadows, so that 
no old grass is left over winter. 
6. Careful burning about orchards and gardens of weeds, trash 
and litter of all kinds that may serve the animals for winter shelter 
7. When necessary, the burning of dead grass in meadows and pas- 
tures. This, however, should not be delayed till late spring, whei 
ground birds are nesting. 
LITERATURE. 
Readers of this bulletin who desire further knowledge of the classi 
fication and life history of field mice or of the historical accounts o 
their ravages, may, in addition to articles found in general works oi 
mammals, consult the following : 
Bailey, Vernon. Revision of American Voles of the Genus Microtus. N. A 
Fauna No. IT. Washington, 1900. 
Bos, J. Ritzema. Tierische Sehitdlinge una* Niitzlinge, pp. 89-101. Berlir 
1891. 
Coues, Elliott. Monographs of North American Rodentia. Muridae. 1877. 
Crampe, Dr. Hugo yon. Die gewerbsmassig hergestellten Mittel zur Vertilgun 
von Feldiniiusen und anderen schadliehen Nagern. Landw. Jahrb.. Band 
12. pp. 450. 458. 545-561. 
Douglas, Sylvester, Lord Glenbervie. An account of the unexampled devas- 
tations committed by Field Mice in the Forest of Dean, in Gloucestershire, 
and in New Forest, in Hampshire, during the years 1813 and 1814. Zoolog- 
ical Journal, vol. 1, pp. 433-444. Jan.. 1S25. 
Gowdy. J. K. U. S. Consular Reports, vol. 75. No. 282. pp. 417-119, 1904. 
Harting, J. E., and others. Report of the Departmental Committee on a Plague 
of Field Voles in Scotland. 1893. 
. Observations on the Common Field Vole of Thessaly. Zoologist, vol. 51, 
pp. 139-145. 1893. 
Heenan. Thomas. A Plague of Mice in Russia, 1893-5. U. S. Consular Re- 
ports, vol. 50. pp. 539-540. 
Hiltner, Dr. Lorenz. Bericht iiber die von der Agrikulturbotanischen Anstalt 
durchgeflihrten Versuche zur Bakampfung der Feldmiiuse. Prak. Blatter 
fur Pflanzenbau und Pflanzenschutz. new series, vol. 1, No. 9. pp. 97-102, 
112-116. 1903. 
Hudson. W. H. The Naturalist in La Plata, chapter 3, A Wave of Life, 
pn. 59-68. London, 1892. 
Kennicott, Robert. The Quadrupeds of Illinois. Report of Commissioner of 
Patents : Agriculture. 1856, pp. 84-90, 97-105. 
La Harpe. S. G. De. Le Campagnol des Champs. Jour. d'Agr. Pratique, 
Mar. 3, 1904, pp. 278-290. 
Maxwell, Sir Herbert. Farm Verinim Helpful and Harmful, chapter 1, Voles, 
pp. 1-10. London, n. d. (1894.) 
Millais, J. G. Mammals of Great Britain and Ireland. Vol. II, pp. 233-299. 
1905. 
Miller, Gerrit S., Jr. Genera and Subspecies of Voles and Lemmings. N. A. 
Fauna, No. 12, Washington, 1896. 
Nisbet, John. Farm Vermin. Helpful and Harmful, chapters 6 and 7, Enemies 
of Woodland and Nurseries, pp. 51-68. (1S94.) 
The Vole Plague in France. The Field (London), April 23, 1904. p. 695, 
The Vole Controversy. Land and Water. June 10. 1893, pp. 581-582. 
o 
