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^^CCORDING to our usual custom, we feel impelled 

 \^j[ to write a few words concerning the volume, which 

 forms Vol. VI. of the Third Series of the International 

 Jourrial of Alicroscopy and Natural Science^ just finished. 



The standard of excellence to which the Journal has 

 attained during the last few years has, we believe, been well 

 kept up in the present volume. As so many papers of scien- 

 tific value have appeared in its pages, we hardly know which to 

 mention without giving the whole list ; but we must certainly 

 point to the series of papers on " British Hydrachnidae," by 

 Mr. Chas. D. Soar, as being of the greatest service to those of 

 our readers who are interested in this subject. Among other 

 papers of interest we must mention our late President, Mr. 

 Bryan's, account of Prof. Miall's researches on " The Origin of 

 Insect Transformations," Mr. W. Falconer's article on " Some 

 Adaptation of Water-Plants to their Environment," Messrs. 

 Wager and Walker's paper " On the Structure of the Root," 

 Miss Lily H. Huie's paper "On some Protein Crystalloids, etc.," 

 Mr. C. D. Hardcastle's article on " The Origin and History of 

 Varieties of Agate," etc. " On Limnaea Peregra," by Mr. W. 

 Nelson ; the continuation of Mr. H. C. A. Vine's memoir on 

 the " Predacious and Parasitic Enemies of Aphides," etc. ; 

 Messrs. Hoole and Harrow's article on " Some Notes on the 



