WHILST dissecting, a few days ago, a common garden snail (Helix aspersa), I came across two calcareous spicula, lying immediately under the “albummiparous gland,” which I cannot find mentioned in any ...
THE spicula observed by your correspondent (NATURE, vol. xx. p. 316) lying underneath the albuminiparous gland in some specimens of Helix aspersa are probably Spicula Amoris. Their calcareous ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results