Formic acid kills seeds but only rarely makes them dormant – as he presumes ants do. He finds great variation in the vigour of individual seeds. Harvester ants, used in place of formic acid, do not affect germination.
Showing 41–43 of 43 items
Formic acid kills seeds but only rarely makes them dormant – as he presumes ants do. He finds great variation in the vigour of individual seeds. Harvester ants, used in place of formic acid, do not affect germination.
Sends abstract of Martin Ziegler’s paper on sensitive movements in Drosera ["Sur un fait physiologique observé sur des feuilles de Drosera", C. R. Hebd. Acad. Sci. 74 (1872): 1227–9].
JTM’s experiments with formic acid and ants have failed to reveal the secret of the ants, but have taught him a great deal about germination.
Charles Martins has given the first Darwinian lectures on zoology at Montpellier.
Joseph Duval-Jouve is also a Darwinian. The latter has lost his position as Inspector of the Academy because of his liberal views.
Wallace suggests that a trap-door spider with an exposed nest preys on nocturnal insects.