CONTENTS. 



Page 



I. Descriptions of some Cheiroptera discovered in Cuba by W. S. 

 MacLeay, Esq. By John Edward Gray, F.R.S., &c. With some 

 account of their Habits, extracted from Mr. MacLeay's Notes. (With 



a Plate.) 1 



II. Account of a Journey across the Pampas of Buenos Ayres to 

 Tucuman. By James Tweedie 8 



III. Observations on Trilobites founded on a comparison of their 

 Structure with that of Crustacea. By W. S. MacLeay, M.A 16 



IV. Florae Insularum Novae Zelandiae Precursor; or a Specimen 

 of the Botany of the Islands of New Zealand. By Allan Cunning- 

 ham, Esq 22 



V. On the Habits of Macroscelides Rozeti. By Dr. Moritz 

 Wagner 26 



VI. Amaryllidearum Species novae. By the Hon. and Rev. W. 

 Herbert 28 



VII. Descriptions of British Chalcidites. By Francis Walker, Esq. 29 



VIII. Instructions relative to Botany, Vegetable Physiology and 

 Zoology for the Scientific Expedition to the Antarctic Regions, pre- 

 pared by the President and Council of the Royal Society 33 



BIBLIOGRAPHICAL NOTICES. 



Supplement to the History of British Fishes, by W. Yarrell 42 



Epicrisis Systematis Mycologici seu Synopsis Hymenomycetum, E. 



Fries 44 



Linnaea, ein Journal fur die Botanik, &c 45 



Plantes Cryptogames de France, par J. Desmazieres 46 



Deutschlands Kryptogamische Gift-Gewachse, von Dr. Phoebus .... ib. 



Fauna Coleopterorum Helvetica, by O. Heer ib. 



Dr. Pye Smith's Congregational Lectures on Geology , ib. 



PROCEEDINGS OF LEARNED SOCIETIES. 



Meeting of the British Association 46 



Zoological Society : — On the Dentition of the Flying Opossums, by 

 G. R. Waterhouse ; on the Fishes of the Deccan, by Col. Sykes ; 

 notice of the Social Wasp's Nest, by Lieut. Williams ; on a new 

 species of Meriones, by Dr. Harlan ; on a new British species 



of Anser, by A. D. Bartlett 47 — 66 



Linnaean Society : — Biographical Sketch of Ferdinand Bauer, by Dr. 

 J. Lhotsky ; on a Plant which produces Seed without any appa- 

 rent action of Pollen on the stigma, by J. Smith ; on some new 

 Spiders, by J. Blackwall 66—69 



MISCELLANEOUS. 



On the place of Scarabaus longimanus in the system, by Prof. Klug . 69 



Identity of the Shannon with the Lough Neagh Coregonus 70 



Preventive against madness in Elephants, by Carl von Hiigel ib. 



Are the Closterice Animals or Plants ? ib. 



Meteorological Observations and Table, „ . , . . , [. 71,72 



