TO CORRESPONDENTS. 



We have to acknowledge Communications received from Dr. Johnston, 

 Mr. Thomtson, Mr. Forbes, Mr. Deny, and Mr. Gray. 



Our best thanks are due to Prof. Lindley, Prof. Don, Mr. Bennett, Mr. 

 Babington, and other friends for their valuable assistance in the Botanical 

 department. 



On the 2nd of March, Part II., price Is. 6d. } royal 8vo, of a 



"VJ ATURAL HISTORY of QUADRUPEDS, and other MAMMI- 

 J^ll FEROUS ANIMALS, (including the principal varieties of the Human 

 Race,) comprising a description of the class MAMMALIA; with an introduction 

 consisting of an outline of the osteology and organization of its several groups : — 

 rendered popularly interesting by copious details of their physical and intellectual 

 powers, instincts, habits, and localities. — In Monthly Parts. 



By WILLIAM CHARLES LINN^US MARTIN, F.L.S. 



With above 1500 Engravings, of which above 500 are representations of animals, 

 beautifully engraved on wood, from drawings by William HarVey; besides nu- 

 merous incidental illustrations. 



Whitehead and Co., 76. Fleet Street, London. 



In a few days will be published, 



THE CANADIAN NATURALIST. 

 By P. H. GOSSE, 

 Cor. Mem. of the Nat. Hist. Soc. of Montreal, and of the Lit. and Hist. Soc. 



of Quebec. 

 This volume contains brief and popular notices of subjects in different depart- 

 ments of Natural History, not systematically arranged, but as they might be sup- 

 posed to occur to a Naturalist wandering in the woods and fields of Canada. Some 

 of the more prominent phsenomena of Natural Philosophy, the Habits of Quadru- 

 peds, Birds, and Insects, the general appearance, time of flowering, &c. of Plants, 

 are briefly described in the form of dialogue, interspersed with characteristic anec- 

 dotes ; the whole embracing the course of the Seasons throughout the year, and 

 presenting to the reader a picture of the face of Nature in that interesting country. 

 Forty-four Illustrations of the most remarkable Animal and Vegetable produc- 

 tions are embodied in the text. Post 8vo, 12s. cloth. 



John Van Voorst, 1, Paternoster-row. 



In 8vo, with Eighty-seven Illustrations, price 10*. cloth. 



A HISTORY OF BRITISH FERNS. 

 By EDWARD NEWMAN, F.L.S. 



This work is designed for scientific botanists, students, ant] those who are culti" 

 vating Ferns and other plants in closed glass cases. It contains a figure of every 

 British species and variety, drawn on wood by the author, and in every instance 

 from nature, showing the venation, the mode of fructification, and manner of grow- 

 ing. The letter-press gives the geographical range, all the known localities of rare 

 species, a list of synonyms, and a full description of each species and variety. 



John Van Voorst, 1, Paternoster-row. 





