Summary
Transactions of the Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1950-1953
This volume includes:
A List of the Bryophytes of Northumberland by J. B. Duncan (pp. 1 – 80)
Subsections include:
- Introduction (pp. 1 – 4)
- Hepatics (pp. 5 – 18)
- Sphagna (pp. 19 – 26)
- True Mosses (pp. 27 – 80)
Ornithological Report on the Farne Islands for 1952 by Grace Watt, M.A., M.B.O.U (pp. 81 – 100)
Subsections include:
- Ringing (pp. 96 – 97)
- Recoveries (p. 97)
- Recoveries of Ringed Birds (pp. 98 – 100)
Ornithological Report for Northumberland and Durham for 1952 by George W. Temperley, Hon.M.Sc., M.B.O.U (pp. 101 – 152)
Subsections include:
- Records of Unusual Interest in 1952 (p. 102)
- Weather Conditions and Migration (pp. 102 – 104)
- Bird-Ringing (p. 104)
- Nesting Box Experiments (p. 105)
- British Trust for Ornithology Enquiries (p. 106)
- Wildfowl Census (pp. 106 – 107)
- Moult Migration of Sheld-duck (p. 107)
- Homing Experiments with Shearwaters (p. 107)
- Oiled Birds (p. 107)
- Gosforth Park Bird Sanctuary (pp. 107 – 108)
- Classified Notes (pp. 109 – 152)
The Status of the Squirrel in Northumberland and Durham by George W. Temperley, Hon.M.sc. (pp. 153 – 164)
Subsections include:
- The Red Squirrel in Northumberland (pp. 154 – 158)
- The Red and Gray Squirrels in Durham (pp. 158 – 162)
- Possible Reasons for the Decrease in the Number of Red Squirrels During the Past 35 Years (pp. 162 – 163)
- Effect of the Severe Winter of 1946-47 (pp. 163 – 164)
- Some Observations on the Habits of the Red Squirrel (p. 164)
The Grey Seals of the Farne Islands by Ian M. Telfer, M.B., B.S., and Grace Watt, M.A. (pp. 165 – 182)
Subsections include:
- Introduction (pp. 165 – 166)
- Tagging (p. 167)
- Recoveries (pp. 167 – 168)
- Determination of Age (p. 168)
- Weighing and Measuring (pp. 168 – 169)
- General Deductions from Results of Weighing and Measuring (pp. 169 – 170)
- Numbers of Calves (p. 170)
- Proportions of Males to Females (p. 170)
- Types of Calves (pp. 170 – 171)
- Teeth (p. 171)
- Flippers (pp. 171 – 172)
- Nails (p. 172)
- Change of Coat (p. 172)
- Observations on Adults (pp. 172 – 173)
- References (p. 173)
- Particulars of Marked Seals (pp. 173 – 182)
A Note on Abnormally Marked Song Thrushes and Blackbirds by Noble Rollin, M.B.O.U., A.A.O.U., M.R.A.O.U. (pp. 183 – 184)
Acknowledgements
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