49S The Naturalist. 



the business and enjoyment of life, and the furtherance of the 3 

 general weal of society, but, also, to the proper understand-* 

 ing and successful pursuit of" any " one branch, although 

 that branch is ultimately to be studied professionally." The 

 author has argued, accordingly, besides the argument con- 

 tained in the first quotation above, that we should study 

 nature by general principles before we undertake the details 

 of the constituent subjects. 



Observations on the Importance of the Study of Compa- 

 rative Anatomy, with a Translation of the Chapter, in Blu- 

 menbach's Manual of Comparative Anatomy, on the Struc- 

 ture of the Bones. By P. The author has stated, that it is 

 his intention to supply in the Naturalist a close translation of 

 certain portions of the pure text of the last edition of Blu- 

 menbach's Manual, and to add new facts and illustrations in 

 notes, if the readers' reception should be such as to induce 

 him to prosecute the intention. 



Notes on British Insects. By J. C. Dale, M.A., F.L.S. 

 The kinds of insects noted on are rarer species, most of them 

 such as Mr. Dale or others have captured specimens of; and 

 the notes consist chiefly of dates of place and time, and of some 

 facts on habits. Similar communications, made by Mr. Dale 

 to our Magazine, occur in it in III. 332 — 334. ; IV. 21 — 23. 

 265—267. ; V. 249—252. ; VII. 497—499. 



Notes of a Botanist. By J. Murray, F.L.S., F.G.S. 

 An Account of the Structure of the Heart in the Jestudo 

 Mydas, or Green Turtle. By L. P. This is illustrated by 

 two engravings. 



Animal Prognostics of the Weather. By R. M. 

 Observations, illustrated by 5 figures, on the A'rgulus fo- 

 liaceus Jurine, as injurious to Gold and Silver Fishes. By 

 Miss Dobson and Mr. Samouelle, the author of the Entomo- 

 logists Useful Compendium. This is an especially interesting 

 Communication. 



Observations on the scarce Swallow-tail Butterfly (Papilio 

 Podalirius). By J. E. 



v41yssum calycinum : a Notice that it has been discovered 

 in Charnwood Forest, Leicestershire. 



On the Fen Reedling (Salicaria arundinacea Selby); Reed 

 Wren, or Reed Warbler, of some other ornithologists. By 

 Edward Blyth. Mr. Blyth has grounds for suspecting that 

 this species is more diffused over the country than is com- 

 monly supposed, and that it is confounded with the sedge 

 reedling (S. phragmitis Selby) ; and he has produced a sort 

 of advertising notice of its characters of person and of habits, 

 to enable others to distinguish it ; and he wishes that they 

 would communicate information relative to the distribution- of 



