For Sale by CONSERVATION^ 1417 G Street N. W., IVashington, D. C. 



WATER POWEE. By Joseph P. Fbizbll. An outline 

 of the development «nd application of the energy of 

 flowing water. ^"ce, $5.00 



CONCRETE PLAIN AND REINFORCED. By Febdbbick 

 W. Tatlob and Sanfobd E. THOMPaoN. Designed for 

 practicing engineers and contractors; text and reference 

 book for students. Discusses materials, processes, and 

 aoDllcatlons of concrete In construction and speclflea- 

 tlons. P*"*"*' **"* 



HYDRAULICS. By MANsriBLD Mebbiman. Purpose of 

 book Is to keep abreast of modern progress, and present 

 subject with conciseness and clearness. Gives general 

 principles and discusses flow of water through various 

 kinds of openings and channels. Historical notes and 

 references. Price. fS.OO 



FOUNDATIONS. By W. M. Patton. A practical treatise 

 explaining fully the principles Involved. Numerous de- 

 scriptions of important modern structures are given in 

 sutBclent detail. Includes articles on use of concrete in 

 foundations. Price, $5.90 



MASONRY CONSTRUCTION. By Iba 0. Bakbb. Con- 

 tains results of a great number of experiments, and a 

 large amount of practical data on cost of masonry, pile 

 driving, foundations, culverts, etc., and 97 tables to 

 facilitate eadmatlng. Price, $5.00 



REINFORCED CONCRETE. By Albbbt W. Bdbl and 

 Chablks S. Hill.. A treatise for designing and con- 

 structing engineers, governed by American practice and 

 conditions. Theoretical discussions omitted, and re- 

 placed by practical working formulas, examples of 

 representative structures, and records of practice. 



Price. $5.00 



BOOKS ON RELATED SUBJECTS 



THE MAKING OF A COUNTRY HOME. By J. P. Mow- 

 BBAT C'J. P. M."). This delightful story showed Us 

 universal appeal when published serially, and the vol- 

 ume amply carries out the intention of the author. 

 Besides Its practical Interest for the thousands of city 

 dwellers who have dreamed of having a country home, 

 the story is one of such reality, humor, and Interest 

 as to ensure it the widest circulation In book form. 

 Elaborately decorated. $1.65 



THE FIRST BOOK OF FARMING. By Chaklbs L. 

 (iooDBiCH. No one interested In farming, old or young, 

 can fall to appreciate this book, for It really gives 

 the fundamental knowledge of how to conduct a farm 

 with the least expense and the largest return. There 

 are 63 full pages of helpful Illustrations. The prlc« 

 is extremely low for a work of such value. 63 pages 

 of photographs. Price, $1.10 



NATURE BOOKS 



UTILIZATION OF WOOD WASTE BY DISTILLATION. By Walthb B. Harpbb. An Important treatise on a sub 

 ject regarding which the Interest Is great and the information scarce. Is intended to aid in the establishment anil 

 conduct of wood distilling enterprises on a business basis. Price, $3.00 



HANDBOOK OF TIMBER PRESERVATION. By Samuel 

 M. RoWB. Intended as a complete practical guide for 

 the operator of a preservation plant, with hints on 

 construction thereof. Price, $i.00 



IN FOREST LAND. By Douglas Mallooh. The humor, 

 sentiment, and philosophy of the lumber business Inter- 

 preted by the "Lumberman Poet." A kind of touch 

 with the great outdoors that few books contain. Illus- 

 trated in tint, bound In silk cloth and gold stamped. 

 Ideal for gift or library. Price, $1.25 



THE GARDEN 



ROSES AND HOW TO GROW THEM. By many Experts. 

 In text practical; in subject and (juality of illustrations, 

 beautiful. Price, $1.20 



FERNS AND HOW TO GROW THEM. By G. A. 

 WooLSON. The growing of hardy ferns, both In the 

 garden and Indoors. Price, $1.20 



LAWNS AND HOW TO MAKE THEM. By Lbonaed Bab- 

 BON. For the first time the subject of lawn seed mix- 

 tures Is set forth and explained. 32 photographs. 



Price, $1.20 



HOW TO MAKE SCHOOL GARDENS. By H. D. Hem- 

 BNWAY. This suggestive little book Is a practical man- 

 ual of school gardening for both teacher and pupil, and 

 supplies the first adequate work of the sort In this 

 country. There are to-day a hundred thousand school 

 gardens In Europe, and the progress of the recent 

 movement In America has been most rapid. This vol- 

 ume Is based on actual experience (the author Is an 

 authority and director of the Hartford School of Hor- 

 ticulture). Illustrations, 10. Price, $1.10 



HOW TO MAKE A FRUIT GARDEN. By. S. W. 

 Flbtchbb. An eminently practical work on the sub- 

 ject of fruits for the home. With 182 photographic 

 Illustrations by the author. Price, $2.25 



HOW TO MAKE A FLOWER GARDEN. A charming and 



a practical book by experts on every branch of the 



subject. More than 200 beautiful photographs. 



Price, $1.75 

 HOW TO MAKE A VEGETABLE GARDEN. By Edith 



L. Fullbbton. The only adequate book on the home 



vegetable garden. 250 photographs by H. B. Fullerton. 



IPrice, $2.20 

 ART AND CRAFT OF GARDEN MAKING, IJy Thomas 



H. Mawson. Third edition of this standsTd; out of 



print for a year, and now reissued In relsed form. 



Over 100 plans and details of gardens. Methods em- 

 ployed by successful designers carefully analyzed. 



Characteristic sites In typical districts described and 



pictured. Price, $15.00 



THE HOME AND FARM 



THE COUNTRY HOUSE. By Chablbs Edw. Hoopbb. A 

 Practical manual of house building, absolutely Invalua- 

 ble to every one with a country place. It covers every 

 branch of the subject In detail and treats of the garden 

 and Its furnishings In connection with the dwelling. 

 880 photographs and plans. Price, $3. SO 



THllEE ACRES AND LIBERTY, By Bolton Hall. De- 

 scription of what can be accomplished on a small place 

 In the way of gardening, home-making, and addition 

 to financial resources. Were It not for the unimpeach- 

 able authorities quoted. Its statements as to the pos- 

 sibilities of the "Little Lands" for a living would 

 seem fanciful. Price, $1.85 



AMERICAN FOOD AND GAME FISHES. By David Stabb 

 JoBDAN and B. W. Evbrmann. Fills a long-felt need 

 In popular scientific works, being a full account of the 

 life-histories and methods of capture of North Ameri- 

 can food and game fishes. The only book In existence 

 which will enable the amateur readily to identify spe- 

 cies new to him. With 10 lithographed color plates, 

 100 photographs of live fish In the water, and 200 

 text cuts. Price, $i.i0 



NATURE BIOGRAPHIES. By Clarbnob M. Wbbd. This 

 volume is a sort of personal acquaintance with the 

 lives of the more common butterflies, moths, grasshop- 

 pers, flies, and so on, the sort of fascinating details of 

 these Insect existences which make the reader want to 

 go out and study these every-day marvels for himself. 

 150 photographic Illustrations. Price, $1.50 



THE BROOK BOOK. By Mabt Roobbs Millbb. A brook 

 Is one of the most living and companionable features of 

 the landscape, and few people, even the most ardent 

 nature lovers, realize what an endlessly interesting study 

 Its changes and Its throbbing life afford. It Is a fas- 

 cinating subject which the author (well known as a 

 teacher, lecturer, and writer connected with the Nature 

 Study Bureau at Cornell) handles with much ability. 

 16 photographs. Price, $1.50 



OUTDOORS, A Book of the Woods, Fields, and Marsh 

 lands. By Ernest McGaffbt. Papers on out of doors, 

 showing a love of nature and keenness of observation 

 and power and beauty of description rarely surpassed. 



Price, $1.25 



NATURE AND THE CAMERA, By A. Badoltffb Duo- 

 MuBB. Mr. Dugmore Is an expert In the new movement 

 of photographing live birds, animals, fish, flowers, etc. 

 His works brought him so many requests for Infor- 

 mation, that be has set down here a full and detailed 

 account of his methods. From the choice of a camera to 

 questions of lighting, and to the problem of "snapping" 

 shy birds and animals In their native haunts, every step 

 Is explained so simply as to be easily comprehended, 

 even by the beginner. 53 photographic Illustrations. 



Price, $1.50 



These books sent prepaid upon receipt of price indicated, by CONSERVATION 

 4f r4i7 G Street N. W . Washington, D. C. 



