196
Ct. R. POTTS AND a. P. VICKERMAN
Southwood, T. R. E. and Jepson, W. F. (1962). J. Anim. Ecol. 31, 481-495.
Studies of the population of Oacinella frit L (Dipt. Chloropidae) in the oat
crop.
Stoddard, H. L. (1932). “The Bobwhite Quail, Its Habits, Preservation and
Increase”. Scribner’s, New York.
Strandgaard, H. (1968). Damk Vildtforakning 1967-68,2627. 26 &rs jagtudbytte
af agerhans i Danmark.
Strickland, A. H. (1966). Ann. appl. Biol. 55, 319-326. Amounts of organochlorine insecticides used annually on agricultural and some horticultural
crops in England and Wales.
Tanskiy, V. I. (1961). Ent. Rev. 40, 442-446. Formation of the thrips (Thysanoptera) fauna on wheat in the new agricultural lands of northern Kazakhstan.
Thygesen, Th. (1966). Tidsakr. PlAvl. 69, 67-92. Biologiske undersageleer af
sadelgalmyggen (Haplodiploais equeatris Wagner) 1962-1964 og forsag med
bekaempelse.
Tischler, W. (1966). Proc. 12th Innt. Congr. Ent., 436-437. Comparative studies
on the influence of environmental factors upon development and overwintering of certain Coleoptera and Heteroptera.
Tomlinson, T. E. (1971). Outl. Agric. 6,272-278. Nutrient losses from agricultural
land.
Troostwijk, W. J. Doude van (1968). Zeitechr. Jagdwk8. 14, 1-12. Das Rebhuhn
(Perdix perdix) in den Niederlanden.
Tubbs, C. R. (1967). Br. Birds 60, 381-396. Population study of Buzzards in
the New Forest during 1962-1966.
Uttendiirfer, 0. (1937). “Die Erniihrung der deutschen Raubvijgel und Eulen
und ihre Bedeutung in der heimischen Natur”. Neumann-Neudamm.
van Emden, H. F. (1962). Entomolog&’s mon. Mag. 98, 266-270. Observations
on the effect of flowers on the activity of parasitic Hymenoptera.
Vesey-Fitzgerald, B. (1946). “British Game”. Collins, London.
Wagner, F. H., Besadny, C. D. and Kabat, C. (1966). Population ecology and
management of Wisconsin Pheasants. Tech. Bull. 34, Wisconsin Conserv.
Dept., Madison.
Walker, R. G. (1972). J. Zool., Lond. 166, 474-480. Observations on a collection
of weasels (Muatela nivcelis) from estates in south-west Hertfordshire.
Watson, M. A. (1968). Commonw. phytopath. New8 4 , 6 7 . Virus diseases of cereals
in Great Britain.
Wataon, M. A. and Mulligan, T. E. (1967). PI. Path. 6, 12-14. Cereal yellow
dwarf virus in Great Britain.
Watt, K. E. F. (1966). Can. Ent. 97, 887-896. Community stability and the
strategy of biological control.
Way, M. J. (1973). “Biology in Pest and Disease Control” (D. Price Jones and
M. E. Solomon, Eds). Blmkwell, Oxford. Integrated oontrol in Britain.
Weeden, R. B. and Theberge, J. B. (1972). Proc. 15th Int. m. Congr., 1970, 90106. The dynamics of a fluctuating population of Rock Ptarmigan in Alaska.
Williams, C. B. (1944). J. Ewt. 32, 1-44. Some applications of the logarithmic
series and the index of diversity to ecological problems.
Williams, C. B. (1946). Nature, Lond. 155, 390-391. The index of diversity as
applied to ecological problems.
Williamson, K. (1967). Bird Study 14,21&226. The bird community of farmland.
Woodford, E. K. (1964). Proc. 7th Br. Weed Control Cmf. 3, 944-962. Weed
control in arable cropa
Ct. R. POTTS AND a. P. VICKERMAN
Southwood, T. R. E. and Jepson, W. F. (1962). J. Anim. Ecol. 31, 481-495.
Studies of the population of Oacinella frit L (Dipt. Chloropidae) in the oat
crop.
Stoddard, H. L. (1932). “The Bobwhite Quail, Its Habits, Preservation and
Increase”. Scribner’s, New York.
Strandgaard, H. (1968). Damk Vildtforakning 1967-68,2627. 26 &rs jagtudbytte
af agerhans i Danmark.
Strickland, A. H. (1966). Ann. appl. Biol. 55, 319-326. Amounts of organochlorine insecticides used annually on agricultural and some horticultural
crops in England and Wales.
Tanskiy, V. I. (1961). Ent. Rev. 40, 442-446. Formation of the thrips (Thysanoptera) fauna on wheat in the new agricultural lands of northern Kazakhstan.
Thygesen, Th. (1966). Tidsakr. PlAvl. 69, 67-92. Biologiske undersageleer af
sadelgalmyggen (Haplodiploais equeatris Wagner) 1962-1964 og forsag med
bekaempelse.
Tischler, W. (1966). Proc. 12th Innt. Congr. Ent., 436-437. Comparative studies
on the influence of environmental factors upon development and overwintering of certain Coleoptera and Heteroptera.
Tomlinson, T. E. (1971). Outl. Agric. 6,272-278. Nutrient losses from agricultural
land.
Troostwijk, W. J. Doude van (1968). Zeitechr. Jagdwk8. 14, 1-12. Das Rebhuhn
(Perdix perdix) in den Niederlanden.
Tubbs, C. R. (1967). Br. Birds 60, 381-396. Population study of Buzzards in
the New Forest during 1962-1966.
Uttendiirfer, 0. (1937). “Die Erniihrung der deutschen Raubvijgel und Eulen
und ihre Bedeutung in der heimischen Natur”. Neumann-Neudamm.
van Emden, H. F. (1962). Entomolog&’s mon. Mag. 98, 266-270. Observations
on the effect of flowers on the activity of parasitic Hymenoptera.
Vesey-Fitzgerald, B. (1946). “British Game”. Collins, London.
Wagner, F. H., Besadny, C. D. and Kabat, C. (1966). Population ecology and
management of Wisconsin Pheasants. Tech. Bull. 34, Wisconsin Conserv.
Dept., Madison.
Walker, R. G. (1972). J. Zool., Lond. 166, 474-480. Observations on a collection
of weasels (Muatela nivcelis) from estates in south-west Hertfordshire.
Watson, M. A. (1968). Commonw. phytopath. New8 4 , 6 7 . Virus diseases of cereals
in Great Britain.
Wataon, M. A. and Mulligan, T. E. (1967). PI. Path. 6, 12-14. Cereal yellow
dwarf virus in Great Britain.
Watt, K. E. F. (1966). Can. Ent. 97, 887-896. Community stability and the
strategy of biological control.
Way, M. J. (1973). “Biology in Pest and Disease Control” (D. Price Jones and
M. E. Solomon, Eds). Blmkwell, Oxford. Integrated oontrol in Britain.
Weeden, R. B. and Theberge, J. B. (1972). Proc. 15th Int. m. Congr., 1970, 90106. The dynamics of a fluctuating population of Rock Ptarmigan in Alaska.
Williams, C. B. (1944). J. Ewt. 32, 1-44. Some applications of the logarithmic
series and the index of diversity to ecological problems.
Williams, C. B. (1946). Nature, Lond. 155, 390-391. The index of diversity as
applied to ecological problems.
Williamson, K. (1967). Bird Study 14,21&226. The bird community of farmland.
Woodford, E. K. (1964). Proc. 7th Br. Weed Control Cmf. 3, 944-962. Weed
control in arable cropa