24 



SCIENTIFIC CATALOGUE. 



\ 



The object of this work is to supply students and field-botanists tvith a 

 fidler account of the Plants of the British Islands than the mamials 

 hitherto in use aim at giving. The Ordinal^ Generic ^ and Specific 

 characters have bee^t re-zvritten, and are to a gi^eat extent original^ 

 and drawn from living or dried specimens ^ or both. " Cannot fail to 

 perfectly fulfil the purpose for which it is intended y — Land and 

 Water. *' Containing the fullest and 7nost accurate manual of the 

 kind that has yet appeared.^"^ — Pall Mall Gazette. 



Huxley (Professor).— LAY SERMONS, ADDRESSES, 



AND REVIEWS. By T. H. Huxley, LL.D., F.R.S. New 

 and Cheaper Edition. Crown 8vo. 7^-. (yd. 



Fourteen Discourses on the following subjects: — (i) On the Advisable- 

 ness of Improviitg Natural Knozvledge : — (2) E?7iancipation — 

 Black and White: — (3) A Liberal Education^ and whei^e to find 

 it: — (4) Scientific Education : — (5) On the Educational Value of 

 the Natural History Sciences: — (6) On the Study of Zoology:- 



(7) On the Physical Basis of Life: — (8) The Scientific Aspects of 

 Positivism: — (9) On a Piece of Chalk: — (10) Geological Contem- 



r 



poraneity and Persistent Types of Life: — (li) Geological Reform :■ 

 (12) The O^dgin of Species :—[\'^ Ci'iticisms on the ^^ Origin of 

 Species:'''' — (14) On Descartes^ ^'Discourse touching the Method of 

 using One's Reason rightly and of seekhtg Scientific Truths The 

 momentous htfiitence exercised by Mr, Huxley'' s writings on physical^ 

 -mental^ and social science is universally acknowledged : his works 

 must be studied by all who would coinprehend the various drifts of 

 modern thought, 



ESSAYS SELECTED FROM LAY SERMONS, ADDRESSES, 

 AND REVIEWS. Crown 8vo. \s. 



This volu77ie i7tcludes Ntwibers i, %. 4.. 7. 8, a^td 14.. of the abo-ve. 



LESSONS IN ELEMENTARY PHYSIOLOGY. With numerous 

 Illustrations, Fourteenth Thousand. i8mo. cloth. 4X. 6d, 



This book describes and explains^ in a series of graduated lessons^ the 

 principles of LIuman 2-^hysiology, or the Structure and Functions 

 of the Human Body, The first lesson supplies a general view of 

 the subject* This is follozved by sections on the Vascular or Venous 

 System^ and the Circulation ; the Blood and the L.ymph ; Respira- 



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KiRCHHOFF, P 



Second Part. 

 Transactions ol 

 RoscoE, B.A., 

 College, Mnnch 



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