vi CONTENTS. 



XXIX. On the remarkable Formation of the Trachea in 

 the Egyptian Tantalus. By Joshua Brookes, Esq., 

 F.R.S. ^ L.S. - - - - - - p. 499 



XXX. A Supplement to the " Synopsis of Testaceous 

 Pneumonobranchous Mollusca of Great Britain." By 

 John Gwyn Jeffreys, Esq., F. L.S. - - p. 505 



XXXI. On the Osteological Symmetry of the Camel; 

 I Camelus Bactrianus of Aristotle, Linnaus and Cuvier. 



By Walter Adam, Fellow of the College of Physicians 

 of Edinburgh. Communicated by R. Brown, Esq., 

 V.P.L.S. - - - - - - p. 525 



XXXII. Remarks on a certain Kind of Organic Matter 

 found in Sulphureous Spriiigs. By Charles Daubeny, 



M.D., F.R.S. ^ L.S., Professor of Chemistry in the 

 University of Oxford - - - - - p. 587 



XXXIII. On the Plant which yields the Gum Ammo- 

 niacum. By Mr. David Don, Libr. L.S. - p. 599 



XXXIV. 071 the Paussidce, a Family of Coleopterous In- 

 sects. By Mr. J. O. Westwood, F.L.S. - p. 607 



XXXV. On the Organs and Mode of Fecundation in 

 Orchidea. and Asclepiadea. By Robert Brown, Esq., 

 V.P.L.S., S^c. p. 685 



XXXVI. Description of a new Species of the Genus Pinus. 

 By Mr. David Douglas, F.L.S. Communicated by 



the Horticultural Society - - - p. 747 



XXXVII. Extracts from the Minute-Book of the Linnean 

 Society of London - - - - - p. 751 



Catalogue of the Library of the Linnean Society - p. 771 

 List of Donors to the Library of the Linnean Society p. 787 

 Donations to the Museum of the Linnean Society - p. 793 



Extracts 



