CONTENTS. V 



Page 



XXIV. 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. 



On the Development of the Reproductive Organs of the Mis- 

 seltoe (Fiscum album, Linn). By M. Decaisne 185 



XXV. On the Origin of some of the Lower Forms of Vegetation. 



By Mr. Henuy Oxley Stephens 190 



XXVL An Amended List of the Species of the Genus Ovis. By 



Edward Blyth, Esq IQ^ 



XXVIL Addenda to the Flora of Norfolk. By Mr. S. P. Woodward 201 

 XXVin. On the Formation of the Stomata. By Hugo Mohl. 



(With a Plate.) 206 



Neiv Books: — The Natural History of South Devon, by J. C. Bellamy, 

 Esq. — Memorie della Reale Accademia delle Scienze di To- 

 rino 209 — 211 



Proceedings of the Microscopical Society; Botanical Society of Edin- 

 burgh ; Linnaean Society; Geological Society; Zoological So- 

 ciety 211—234 



Zoological Observations at Tenby, by Dr. Davis (»ith a Plate) ; Mr. 

 Jennings on Eels killed by Frost; On the Occurrence of Anernone 

 ranunculoides, by the Rev. W. Hincks ; On the Irish localities for 

 Dianthus plumarius, by W. T. Alexander, Esq. ; Suicidal Powers 

 of Luidia ; Meteorological Observations and Table 234 — 240 



NUMBER XLIV. 



XXIX. On the Anatomy of vVaM^i/ws. By M. Valenciennes 241 



XXX. Remarks on Red and Green Snow. By the late Prof. Meyen 245 



XXXI. An Amended List of the Species of the Genus Ovis. By 

 Edward Blyth, Esq 248 



XXXII. Notes on some of the smaller British Mammalia, including 

 the Description of a New Species of Arvicola, found in Scotland. By 



the Rev. Leonard Jenyns, M.A., F.L.S., &c 261 



XXXIII. Supplement to a Catalogue of Irish Zoophytes. By 

 Arthur Hill Hassall, Esq. Read before the Natural History So- 

 ciety of Dublin, November 6th, 1840 276 



XXXIV. List of Phanerogamous Plants, together with the Crypto- 

 gamic Orders F'dices, Eqidsetacece, and LycopodiacecB, observed in the 

 Shetland Islands. By Thomas Edmondston, Jun., Esq 287 



XXXV. On the Composition of Chalk Rocks and Chalk Marl by in- 

 visible Organic Bodies : from the Observations of Dr. Ehrenberg. By 

 Thomas Weaver, Esq., F.R.S., F.G.S., M.R.I. A., &c. &c 296 



XXXVI. Description of a South American Wasp which collects 

 Honey. By Mr. Adam White, M.E.S., Assistant in the Zoological 

 Departmentof the British Museum. (With a Plate.) 315 



