CONTENTS. 



Page 

 XLIII. Remarks on Du Petit Thouars's Theory of the Origin of 



Wood. By Edwin Lankester, M.D., F.L.S., &c 369 



XLIV. On the Tcucrium regium of Schreber. By Charles C. 

 Babington, Esq., M.A., F.L.S., F.G.S., &c 375 



XLV. On the Strength of the Vital Principle in Intestinal Worms. 

 By Dr. C. E. Miram, Teacher of Zoology and Comparative Anatomy 

 in the Academy of Wilna 377 



XLVI. Excerpta Botanica, or abridged Extracts translated from the 

 Foreign Journals, illustrative of, or connected with, the Botany of 



Great Britain. By W. A. Leighton, Esq., B.A., F.B.S.E., &c 380 



M. Brongniart on the Functions of the Hairs on the Stigma in 

 the Fecundation of the Campanulacese. 



XLVI I. Sketch of the Natural History of Leeds and its Vicinity 

 for Twenty Miles. By Henry Denny, Esq 382 



XLVIII. Appendix to Mr. Shuckard's Monograph of the Dory- 

 lidce, containing a Description of two new Species of Labidus 396 



XLIX. Information respecting Botanical and Zoological Travellers : — 

 M. Tschudy, Mr. Schomburgk, and Mr. Griffith 398 



BIBLIOGRAPHICAL NOTICES. 



A History of the Fossil Fruits and Seeds of the London Clay. By 



James Scott Bowerbank, F.G.S., &c 410 



British Entomology ; being Illustrations and Descriptions of the Ge- 

 nera of Insects found in Great Britain and Ireland : containing 

 coloured Figures from Nature of the most rare and beautiful spe- 

 cies, and in many instances of the Plants upon which they are 

 found. By John Curtis, Esq., F.L.S., &c 412 



PROCEEDINGS OF LEARNED SOCIETIES. 



Microscopical Society of London : — Mr. Dalrymple on the Closte- 



rinse 415 



Zoological Society : — Mr. Waterhouse on the Rodentia 417 



American Philosophical Society 421 



MISCELLANEOUS. 



M. Link on the Flower or Fruit of Ferns 421 



Potamogeton Pralongus 422 



The Cocos de Mer ib. 



Propagation by Hybrids 424 



Meteorological Observations 425 



Meteorological Table 426 



Index to Vol. V , 427 



