Prof. Schouw on the Geographic Distrihuticni ^ Grasses. IST 
lar kiogdonij besides the predominating grain, another is also 
found to abound, the circumstance is indicated by streaks of 
the colour, by which it is elsewhere represented 
Art. XVIII . — A Memoir m the Bag or Bladder occasionally 
protruded from the mouth of the Dromedary. By Dr Paolo 
Savi, Professor of Natural History in the University of 
Pisa-f*. 
.T?ravellers and naturalists who treat of the Dromedary, 
mention, that this animal, in the rutting season, protrudes from 
its mouth a bladder (some say two) which contracts and dis- 
appears in the act of inspiration. It is singular that hitherto 
no one, as far at least as I am aware, has directed his attention 
to examine thoroughly and explain the fact, unless in a hypo- 
thetical manner. 
Wherever he bites, says Tavernier, he carries off the piece, 
and from his mouth there issues a white foam, accompanied with 
two bladders, which are large and blown up like the bladder of 
a hog. — Voyage de Tavernier, tom. i. p. 161. And Buffon, 
who may be said to copy him, says, It is then said, that they 
foam continually during the rutting season, and that one or two 
red vesicles, as large as a hog’s bladder, issue from their mouths.” 
— Buffbn, vol. vi. p. 141. 
For forty days they scarcely eat any thing, and tw'o large 
bladders are continually projected from their mouth, with a very 
disagreeable rattling ” — Menagerie du Museum Natioiial ; par 
La Cepede et Cuvier, p. % 
Apr onto sovente la hocca e caccian fueri una vesica mem- 
hranosa rossa che vientra nella alto dell inspirazione.''^ — Rau- 
zani, Elementi di Zoologia, tom. ii., parte S, p. 596. 
The above is all I find written on the subject, and hence, I 
• In regard to the coloured maps, we have to notice, that, in some copies, the 
red colour is marked Oats, whereas it ought to be Oats and Barley ; and also that 
the yellow colour occupies too great a space in Britain and Ireland. 
f From Nuovo GiornSle de Litterati, No. xiv. Pisa 1824.— Translated by our 
friend Thomas Stewart Traill, Esq. 
