CONTENTS. 



I. On Cotemporaneous Veins. By Professor 



Jameson, - - - Page 1 



II. An Analysis of Fluor-Spar. By Dr 



Thomson, ~ 8 



III. On the Asclepiadece, a natural order of 



Plants separated from the Apocincce of 

 Jussieu. By Robert Brown, Esq; ] 2 



IV. An Account of Five rare species of Bri- 



tish Fishes. By George Montagu, 

 Esq; - - - 79 



V. Elucidation respecting the Pinna ingens 



of Pennant's British Zoology. By 



J. Laskey, Esq; - - 102 



VI. Miner alogical Que?ies, proposed by Pro- 



fessor Jameson, « - 107 



