CHAPTER XXL 



HINTS AND HELPS FOR AGASSIZ ASSOCIATION WORKERS. 



SPECIAL attention is invited to the following works, selected at 

 random from the catalogue of Messrs. Cassell & Company, Limited, 

 of New York, London, Paris and Melbourne. A complete de- 

 scriptive catalogue of their publications will be forwarded free to 

 any address on application. Their new address is 104 and 106 

 Fourth Avenue, New York. 



" European Ferns : their Form, Habit, and Culture," by James 

 Britten, F.L.S., Department of Botany, British Museum, with 

 30 fac-simile colored illustrations from Nature, by D. Blair, 

 F.L.S., and over 120 wood blocks, aims at giving a plain and 

 intelligible account of European Ferns. Price, $7.50. 



"The Fresh Water Fishes of Europe: a History of their 

 Genera, Species, Structure, Habit, and Distribution," by H. G. 

 Seeley, F.R.S., F.G.S., F.Z.S., F.L.S., F.R.G.S., is an elegant 

 volume of nearly 450 pages, containing 214 illustrations. In this 

 volume the fresh water fishes of Europe are systematically de- 

 scribed for the first time. Price, $5.00. 



" European Butterflies and Moths," with 61 colored plates 

 based upon Bergis' " Schmetterlingsbuch." By W. F. Kirby, 

 Assistant in the Zoological Department, British Museum, and 

 Secretary of the Entomological Society of London. This volume 

 contains a full and complete index to English names and index of 

 genera and species, and is issued in one large quarto volume. 

 Price, $15.00. 



The works of Louis Figuiers, issued by this house at reduced 

 price, demand special attention. The seven volumes in this set 

 contain over 2,250 illustrations, and are published at $1.50 per 

 volume, or $10.50 for the set. The volumes may be had separate, 

 viz. : " The Human Race," with 242 illustrations ; " The Insect 

 World," 570 illustrations ; " Mammalia," 260 illustrations ; " The 

 Ocean World," 427 illustrations; "Reptiles and Birds," 307 

 illustrations; " The Vegetable World," 470 illustrations; "The 

 World before the Deluge," 233 illustrations. 



Among the many exquisite portfolios which we notice on their 

 catalogue are "Wild Flowers of the Rocky Mountains," a selec- 

 tion of 24 of the finest wild flowers, from original water-colors, 

 done in from 12 to 15 colors. These are put up in three boxes, 

 eight plates to each box. Per box, $1.50. 



