454 Botanical Society of Edinburgh : — The fur is thick and soft, with very little lustre, in texture very like that of V. Chiloensis. That of the upper parts is nearly uni-coloured, of a deepish ferruginous hue, a little darker at the root than at the tip. Below, it is bicoloured, dark brown at the base, tipped with greyish brown, paler and unicoloured on the pubes. The dentition has not been examined. /t /// Length of the head and body, about .... 210 of the tail 1 5| of the head 7i of the ears of the tragus 3 of the fore-arm 1 5 of the longest finger 2 7 of the fourth finger 1 10 of the thumb 3 of the tibia 7f of the foot and claws 4f Expanse of wings 10 2 BOTANICAL SOCIETY OF EDINBURGH. March 11, 1858.— Professor Balfour, V.P., in the Chair, The following papers were read : — 1 . ** A few Remarks on the Application of Photography to Botani-cal Purposes,'* by Charles J. Burnett, Esq. 2. ** Critical Remarks on the genus Orthotrichum (Part II.)," by Dr. Benjamin Carrington. In this second part of his paper. Dr. Carrington gave a detailed description of the various British species of Orthotrichum^ and en-tered upon a discussion of their specific distinctions, especially with reference to those species that have of late years been added to the British flora. 3. "Recent Botanical Intelligence," by Professor Balfour. I. Gutta Percha of Surinam. — Prof. Bleckrod of the Delft Aca-demy has recently given a notice of the Gutta Percha of Surinam. The Professor states that Dutch Guiana can supply gutta percha. The Dutch Government took measures to transplant the Isonandra Gutta and cultivate it in Guiana ; but they have lately discovered in that country a species of Sapota^ to which Blume gives the name of Sapota Mulleri, which yields a juice in every way equal to that of the Isonandra. It is probable that other trees of the same natural order may be found to yield a similar product. Achras Sapota, the fruit of which is known in the West Indies as "Neesberry," also yields a milky juice like gutta percha. The Sapota Mulleri of Blume is probably the tree called " Bullet-tree " by the English, and its wood is known as "horse-flesh." It is a tall tree, yielding in summer a large quantity of milky juice. It appears that, under the name of common Boerowe or Bullet-tree, there have been confounded —
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