Page-23- Doreen Lambert writes: Earlier this year I read in the magazine 'Birds' that wrens had used a nest box after the blue tit brood flew. Wrens here (Grays, Essex) vent one better - they built before the tits got around to thinking about it. The young were very quiet compared with the young blue tits and I was not absolutely sure all was well till heads started appearing in the entrance hole. 5th August, '74. Gordon Davis writes: Would it be possible to put a plea for Essex otter information in the Sumner issue of the Essex Field Club Bulletin? I appear to be the only person in the county involved with the National Otter Survey (my nearest neighbour being in Suffolk) and am convinced that there are more records than the few I have. If you have any otter records or wish to assist with the Survey please contact Gordon at 9 Eastbourne Grove, Westcliff on Sea, Essex. SSO OQE The School of Biological Studies University of Bath 25th Jan. 1974. Claverton Down, Bath. Dear Sir, I am writing to ascertain whether any members of your society would assist in a survey of the geog- raphical variation of english plant names, for example, Galeobdonon luteum is called variously yellow arch- angel, weasel snout and yellow dead nettle. I hope to determine the regional variation in the use of these names by a questionnaire survey. I would deeply apprec- .