CONTENTS. Vll 



by E. Forbes, Esq. ; Mr. Thompson's Notes on Irish Birds ; New 

 Species oi Agrilus; The Rev. Mr. Hincks on Mr. Gray's edition 

 of Turton's Manual of Shells ; Meteorological Observations and 

 Table page 361—368 



NUMBER XXXIII. 



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 Teuerium regium of Schreber. By Charles C. Ba- 

 BiNGTON, 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. Mi ram, 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. 



XLVII. Sketch of the Natural History of Leeds and its Vicinity for 

 Twenty Miles. By Henry Denny, Esq 382 



XL VIII. i^ppendix to Mr. Shuckard's Monograph of the Dorylidee, 

 containing a Description of two new Species oi Lahidus 396 



XLIX. Information respecting Botanical and Zoological Travellers : — 



M. Tschudy 398 



Mr. Schomburgk 399 



Mr. Griffith 405 



New Books : — A History of the Fossil Fruits and Seeds of the London 

 Clay, by James Scott Bowerbank, F.G.S., &c. — British Entomo- 

 logy ; being Illustrations and Descriptions of the Genera of Insects 

 found in Great Britain and Ireland : containing coloured Figures 

 from Nature of the most rare and beautiful species, and in many 

 instances of the Plants upon which they are found, by John Curtis, 

 Esq., F.L.S., &c 410—415 



Proceedings of the Microscopical Society of London ; Zoological So- 

 ciety ; American Philosophical Society 415 — 421 



On the Flower or Fruit of Ferns ; Potamogeton pralongus ; The 

 Cocos de Mer; Propagation by Hybrids; Meteorological Observa- 

 tions and Table 421—426 



Index 427 



