STUDIES ON THE CEREAL ECOSYSTEM
191
Coulson, J. C., Deans, I. R., Potts, G. R., Robinson, J. and Crabtree, A. N.
(1972). Nature, Lond. 236, 464-456. Changes in organochlorine contamination of the marine environment of Eastern Britain monitored by Shag Eggs.
Croze, H. (1970). “Searching Image in Carrion Crows”. Paul Pavey, Berlin.
Cunliffe, N. (1921). Ann. uppl. Biol. 8, 105-134. Preliminary observations on the
habits of Oacinella jrit, Linn.
Cunliffe, N. (1924). Ann. appl. Biol. 11, 54-72. Further observations on the
prevalence and habits of Oscinella jrit, Linn.
Cunliffe, N., Fryer, J. C. F. and Gibson, a. W. (1925). Ann. ~ 1 .
Biol. 12,
516-526. Studies on Oecinella frit, Linn. The correlation between the stage of
growth and susceptibility to infestations
Curtis, W. (1802). Traw. Linn. SOL Lo&. 6, 76-94.
Davies, M. J. (1953). Entomologist’8 mon. Mag. 89, 18-23. The contents of the
crops of some British Carabid beetles.
Day, M. G. (1966) J. Cool., Lond. 148,201-217. Identification of hair and feather
remains in the gut and faeces of stoats and weasels.
Day, M. G. (1968). J . Cool., Lond. 155, 485497. Food habits of British stoats
and weasels.
Dean, G. J. and Luuring, B. B. (1970). Ann. appl. Biol. 66, 486-496. Distribution
of aphids in cereal crops.
De Bach, P. (1964). “Biological Control of Insect Pests and Weeds”. Chapman
and Hall, London.
Dicker, G. H. L. (1944). Entomologist’s mon. Mag. 80, 71. Tachypolwr (Col.:
Staphylinidae) larvae preying on Aphids.
Dobson, R. H. (1961). Bull. ent. Res. 52, 281-291. Observations on natural
mortality, parasites and predators of wheat bulb fly Leptohykmyia coarcbta
(Fall. ) .
Doodson, J. K. (1967). P1. Path. 16, 42-45. A survey of barley yellow dwarf
virus in S. 24 Perennial Ryegrass in England and Wales, 1966.
Doodson, J. K. and Saunders, P. J. W. (1970). J. natn. In&. agric. BOB. 12, 100111. Evaluation of the reaction of spring and winter cereal cultivars to
barley yellow dwarf virus: A summary of methods and results 1965-1970.
Dunn, J. A. (1949). Bull. ent. Res. 40, 97-122. The parasites and predators of
potato aphids.
DUM, J. A. (1960). Bull. ent. Res. 51,271-278. The natural enemies of the lettuce
root aphid, Pemphigw, bursariw, (L.).
Duthoit, C. M. G. (1968). PI. Path. 17, 61-63. Cereal leaf miner in the South-east
Region.
Elton, C. S. (1942). “Voles, Mioe and Lemmings-Problems in Population
Dynamics”. Univ. Press, Oxford.
Elton, C. S. (1966). “The Pattern of Animal Communities”. Methuen, London.
Evans, F. C. and Murdoch, W. W. (1968). J . Anim. Ecol. 27,269-273. Taxonomic
composition, trophic structure and seasonal occurrence in a grassland
insect community.
Evans, S. A. (1966). Proc. 8th Br. Weed Control Conf., 763-763. A review of the
present position in cereal weed control and an introduction to research
reports.
Feekes, W. (1967). Neth. J. PI. Pccth. 72, Suppl. 1, 97-116. Phytopathological
consequences of changing agricultural methods. 11. Cereals.
Frank, H. (1971). Proc. 9th Int. Congr-8 of Game Biologist%, MO~COW 1969,
472-479. Die Auswirkung von Raubwild-und Raubzeugminderung a d die
191
Coulson, J. C., Deans, I. R., Potts, G. R., Robinson, J. and Crabtree, A. N.
(1972). Nature, Lond. 236, 464-456. Changes in organochlorine contamination of the marine environment of Eastern Britain monitored by Shag Eggs.
Croze, H. (1970). “Searching Image in Carrion Crows”. Paul Pavey, Berlin.
Cunliffe, N. (1921). Ann. uppl. Biol. 8, 105-134. Preliminary observations on the
habits of Oacinella jrit, Linn.
Cunliffe, N. (1924). Ann. appl. Biol. 11, 54-72. Further observations on the
prevalence and habits of Oscinella jrit, Linn.
Cunliffe, N., Fryer, J. C. F. and Gibson, a. W. (1925). Ann. ~ 1 .
Biol. 12,
516-526. Studies on Oecinella frit, Linn. The correlation between the stage of
growth and susceptibility to infestations
Curtis, W. (1802). Traw. Linn. SOL Lo&. 6, 76-94.
Davies, M. J. (1953). Entomologist’8 mon. Mag. 89, 18-23. The contents of the
crops of some British Carabid beetles.
Day, M. G. (1966) J. Cool., Lond. 148,201-217. Identification of hair and feather
remains in the gut and faeces of stoats and weasels.
Day, M. G. (1968). J . Cool., Lond. 155, 485497. Food habits of British stoats
and weasels.
Dean, G. J. and Luuring, B. B. (1970). Ann. appl. Biol. 66, 486-496. Distribution
of aphids in cereal crops.
De Bach, P. (1964). “Biological Control of Insect Pests and Weeds”. Chapman
and Hall, London.
Dicker, G. H. L. (1944). Entomologist’s mon. Mag. 80, 71. Tachypolwr (Col.:
Staphylinidae) larvae preying on Aphids.
Dobson, R. H. (1961). Bull. ent. Res. 52, 281-291. Observations on natural
mortality, parasites and predators of wheat bulb fly Leptohykmyia coarcbta
(Fall. ) .
Doodson, J. K. (1967). P1. Path. 16, 42-45. A survey of barley yellow dwarf
virus in S. 24 Perennial Ryegrass in England and Wales, 1966.
Doodson, J. K. and Saunders, P. J. W. (1970). J. natn. In&. agric. BOB. 12, 100111. Evaluation of the reaction of spring and winter cereal cultivars to
barley yellow dwarf virus: A summary of methods and results 1965-1970.
Dunn, J. A. (1949). Bull. ent. Res. 40, 97-122. The parasites and predators of
potato aphids.
DUM, J. A. (1960). Bull. ent. Res. 51,271-278. The natural enemies of the lettuce
root aphid, Pemphigw, bursariw, (L.).
Duthoit, C. M. G. (1968). PI. Path. 17, 61-63. Cereal leaf miner in the South-east
Region.
Elton, C. S. (1942). “Voles, Mioe and Lemmings-Problems in Population
Dynamics”. Univ. Press, Oxford.
Elton, C. S. (1966). “The Pattern of Animal Communities”. Methuen, London.
Evans, F. C. and Murdoch, W. W. (1968). J . Anim. Ecol. 27,269-273. Taxonomic
composition, trophic structure and seasonal occurrence in a grassland
insect community.
Evans, S. A. (1966). Proc. 8th Br. Weed Control Conf., 763-763. A review of the
present position in cereal weed control and an introduction to research
reports.
Feekes, W. (1967). Neth. J. PI. Pccth. 72, Suppl. 1, 97-116. Phytopathological
consequences of changing agricultural methods. 11. Cereals.
Frank, H. (1971). Proc. 9th Int. Congr-8 of Game Biologist%, MO~COW 1969,
472-479. Die Auswirkung von Raubwild-und Raubzeugminderung a d die