vi CONTENTS. 
Page. 
VII. — Contribution to a Natural and Econo7mcal 
History of' the Coco-Nut Tree. By Mr Henry 
Marshall, Surgeon. _ . - _ 107 
VIII. — Observations on the Organs of' Digestion and 
their Appendages, and on the Organs of Respira- 
tion and Circulation, in the Ornithorynchus para- 
doxus. By Dr R. Knox. - - - 144 
IX. — An Account of a Series of Thermometrical 
Observations, made hourly at Leith, during 
Twenty-four successive Hours, and once every 
Month, from Jidy 1822 to Jidy 1823. By Mr 
John Coldstream. _ _ . _ I75 
X. — Notice of a Journal of a Voyage from Rio de 
Janeiro to the Coast of Peru, by Mr William 
Jameson, Surgeon. By G. A. W. Arnott, Esq. 187 
XI. — Inquiry into the Origin and Characteristic 
Differences of the Native Races inhabiting the 
Extra-tropical Part of Southern Africa. By Dr 
R. Knox. - - - - - 206 
XII. — A Monograph of the Genus Pyrola. By Mr 
David Don. - - - - - 220 
XIII. — Descriptions, Characters, and Synonyms of 
the different Species of the Genus Larus, with 
Critical and Explanatory Remarl<:s. By Mr Wil- 
liam Macgillivray. _ _ _ - 247 
XIV. — Shetch of the Geographical Distfibution of 
Plants in Yorhshii'e. By J. Atkinson, Esq. - 277 
XV. — On a 7iew British Species of Spatangus. By 
the Rev. Dr Fleming. - - - 287 
