CONTENTS 
XX. Notes on the Vegetation of Buenos Ayres and the neighbouring districts. By 
CHARLES JAMES Fox BUNBURY, U FERS, FLS. Ge. . . . . . page 185 
"XXI. On the Genus Aquilaria. By the late Wınusım RoxgurenH, M.D., F.L.S. go.; 
with Remarks by the late HENRY Tuomas COLEBROOKE, Esq., F.R.S., F.L.S. $c. 
Communicated by RoBERT Brown, Esq., D.C.L., F.R.S., President of the Linnean 
Neo ooo do s RQ RE pense Moro tia dace La 
XXII. On Acradenia, a new Genus of Diosmeæ. By RicaarD Kıppist, Esq., Libr. L.S. 207 
XXIII. On the Genus Myrmica, and other ER Ants. By Joun Curtis, Esq., 
zu c. pu. ee cy TM e pur 5 
XXIV. Note on the Elaters of Trichia. By ARTHUR HENFREY, Esq., F.R.S., F. L.S. &c. 221 
XXV. Note on the Genus Ancistrocladus of Wallich. By G. H. K. Tawarres, Esq., 
F.L.S. &e., Superintendent of the Botanic Garden of Peradenia, Ceylon. . 225 
XXVI. Remarks relative to the affinities and analogies of natural objects, more parti- 
cularly of Hypocephalus, a Genus of Coleoptera. By Joux Curtis, Esq., F.L.S. 
ERE |. AU e LU in M à vo: rev] 
XXVII. On the Osteological relations observable among a few Species of the Bovine 
Family. By WALTER ADAM, M.D. Communicated by RoBErtT BROWN, Esq., 
PEE. $5512 P X. QUI QI moon BT 
