126 THE AMERICAN BOTANIST. 



expected that many more new species will be found by any ex- 

 cept the hair-splitters in the region covered by the book, but 

 one may always expect new forms and varieties and should 

 be on the watch for them. 



BOOKS AND WRITERS. 



Although Dr. Edward F. Bigelow's "Walking as a Fine 

 Art" was issued a year ago, It is not too late to call attention 

 to this excellent little volume which has been compiled from 

 the writings of poets and naturalists in many lands together 

 with original contributions from many well-known writers of 

 the present. The compiler is himself a walker of distinction 

 and has exercised commendable taste in his selections. Sev- 

 eral excellent illustrations from photographs add attractive- 

 ness to the work. 



The second volume of Knuth's "Hand-book of Flower 

 Pollination" has appeared. Some idea of this truly monu- 

 mental work may be gained from the fact that this second 

 volume contains more than 700 pages, and that two more vol- 

 umes will be issued before the work is completed. A more 

 extended notice will be given later. The work is being is- 

 sued by the Clarendon Press at a cost of about $5.00 a volume. 



"Nature Study; a manual for Teachers and Students" is 

 the title of a recent book of more than 500 pages by Prof. 

 Frederick L Holtz. As a manual for teachers we can find 

 nothing but commendation for it, but if these teachers, having 

 acquired even half the information that the book contains, at- 

 tempt to hand out this knowledge to the pupils in their charge, 

 they deserv^e to lose their positions. As the reviewer sees the 

 matter it is not nature-study but science that Prof. Holtz offers. 

 We do not believe that pupils in the fourth grade can study 



