publication . Article . 1874

Pollen-grains in the Air

Hubert Airy;
Open Access
  • Published: 03 Sep 1874 Journal: Nature, volume 10, pages 355-355 (issn: 0028-0836, eissn: 1476-4687, Copyright policy)
  • Publisher: Springer Nature
I AM very sorry to find that, owing to my absence from home at the time, a question addressed to me by Mr. A. W. Bennett, in NATURE, vol. ix. p. 485, has escaped my notice hitherto and remained unanswered. Mr. Bennett, alluding to my letter on “Microscopic Examination of Air” (NATURE, vol. ix. p. 439), asks on what ground I refer the “triangular pollen” captured on my slide to the birch and hazel. The identification resulted from comparison under the microscope. The pollen-grains which I obtained from catkins of birch and hazel exhibited three conspicuous equidistant prominences (pores) giving each grain a triangular appearance. I cannot now remember if this app...
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free text keywords: Multidisciplinary, Geology, Birch pollen, Pollen, medicine.disease_cause, medicine, Catkin, Geometry
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Article . 1874
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