Volume 2

Dissertations relative to the natural history of animals and vegetables / Translated from the Italian of the Abbé Spallanzani.

  • Spallanzani, Lazzaro, 1729-1799.
Date:
1789
Catalogue details

Licence: Public Domain Mark

Credit: Dissertations relative to the natural history of animals and vegetables / Translated from the Italian of the Abbé Spallanzani. Source: Wellcome Collection.

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    26 dr Slt ETA RION Fa ~ ™~ CI AC Pe oo GENERATION OF THE TREE-FROG. XX.JN this and the following chapters, I fhall be brief: I fhall only make a few additions to Roefel’s account, and notice fome miftakes into which he has fallen, in order to compleat the hiftory of the animals. The tree-frog is of very {mall fize. The back is of a very beautiful green colour. A vifcid juice, that oozes out from its feet, enables it to faften itfelf to the fmootheft bo- dies. In fummer, it fixes its abode upon trees, in the fpring, it defcends and repairs to ftagnant water, in order to propagate the fpecies. xx1. Though the male mounts upon the back of the female, and embraces her very clofely, he does not, like the green aquatic frog, throw his arms round her thorax, but faftens his hands under her axille. Hence the females efcape thofe accidents that happen to the females of other fpecies, which are often killed before parturition, by the violent com- preflion of the male, as appears from the con- tufions and lacerations upon the breaft. xx11. This