As someone who has worked professionally with snails for over 30 years, let me correct some misunderstandings (Letters, July 9). English garden snails are indeed not the same as the snails commonly ...
I AGREE with Mr. Gwyn Jeffreys (NATURE, p. 511) in considering Helix pomatia as indigenous in this country, and not introduced by the Romans. I never found or heard of a single specimen, either living ...
A STUDY of the absorption spectra of α- and β-hæmocyanin of Helix pomatia indicated that the copper bands of α-hæmocyanin, with their maxima at 346 and 580 mμ, are not quite reproducible 1. As a ...
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