CONTENTS OF VOL. IV. 



NUMBER XXI. 



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 Trilohites, founded on a comparison of their 

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



IV. Florae Insularum Novae Zelandise Precursor; or a Specimen of 

 the Botany of the Islands of New Zealand. By Allan Cunningham, Esq. 22 



V. On the FLa\yiis 0? 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, prepared 



by the President and Council of the Royal Society 33 



New Boohs : — Supplement to the History of British Fishes, by W. 

 Yarrell ; Epicrisis Systematis Mycologici seu Synopsis Hymeno- 

 mycetum, E. Fries ; Linnaea, ein Journal fiir die Botanik, &c. ; 

 Plantes Cryptogames de France, par J. Desmazieres ; Deustch- 

 lands Kryptogamische Gift-Gewachse, von Dr. Phoebus ; Fauna 

 Coleopterorum Helvetica, by O. Heer ; Dr. Pye Smith's Congre- 

 gational Lectures on Geology 42 — 46 



Meeting of the British Association ; Proceedings of the Zoological So- 

 ciety ; Linnaean Society 46 — 69 



On the place of Scarahrsus longimanus in the system, by Prof. Klug ; 

 Identity of the Shannon with the Lough Neagh Coregonus ; Pre- 

 ventive against madness in Elephants, by Carl von Hiigel ; Are 

 the ClostericB Animals or Plants ? Meteorological Observations and 

 Table - 69—72 



NUMBER XXII. 



IX. On the Discoid Piths of Plants. By Ch. Morren, Professor of 

 Botany in the University of Liege. (With a Plate.) 73 



X. Zoological Notices. By Dr. A. Philippi : — 



I. On two new species of £M/;/ocawMS 88 



• II. On ihe h.r\\md\ oi Pileopsis Garnoti, Vayr GO 



