SCIENTIFIC PUBLICATIONS. 



Ants, Bees, and Wasps. 



A Record of Observations on the Habits of the Social Hymenoptera. By 

 Sir John Lubbock, Bart., M. P., F. R. S., etc., author of " Origin of Civiliza- 

 tion, and the Primitive Condition of Man," etc., etc. With Colored Plates. 

 12mo, cloth, $2.00. 



"This volume contains the record of various experiments made with ants, boos, and wasps dur- 

 ing the last ten years, with a view to test their mental condition and jiowei-s of sense. The prin- 

 cipal point in which J>ir John's mode of experiment differs from those of Huber, Forel, MeCook, 

 and others, is that he has carefully watched .and marked particular insects, and has had their 

 nests under observation for long- periods— one of his ants' nests having- been under constant in- 

 spection ever since 1S74. His observations are made principally upon ants because they show 

 more power ard flexibility of mind; and the value of his studies is that they belong- to the de- 

 partment of original research." 



" We have no hesitation in saying that the author has presented us with the most valuable 

 series of observations on a special subject that has ever been produced, charuiingly written, full of 

 logical deductions, and, when we consider his multitudinous engagements, a remarkable illus- 

 tration of economy of time. As a contribution to insect psychokigy, it will be long before this 

 book finds a parallel." — London AthencEum. 



Diseases of Memory : 



An Essay in the Positive Psychology. By Th. Ribot, author of " Heredity," 

 etc. Translated from the French by William Huntington Smith. 12mo, 

 cloth, 81-50. 



"M. Eibot reduces diseases of memory to law, and his treatise is of extraordinary interest."' 

 —Philadelphia Press. 



"Not merel}^ to scientific, but to all thinking men, this volume will prove intensely icterest- 

 ing."— iVetw York Observer. 



'■M. Ribot h.as bestowed the most painstaking attention upon his theme, and numerous ex- 

 amples of the conditions considered greatly increase the value and interest of the volume.'" — 

 Philadelphia North American. 



'•To th» general reader the work i.< made entertaining by many illustratiors connected with 

 such namcT as Linna'us, Newton, Sir Walter Scott, Horace Vernet, Gustave Dore, aud many 

 others."— Atrrisbu7-g Tekcjraph. 



"Tli;^ whole subject is presented with a Frenchman's vivacity of style."" — Providence Joiti'naK 



" It is not too much to say that in no single work have so many curious cases beeu brought 

 together and interpreted in a scientific manner." — Boston Evening' Travelitr. 



Myth and Science. 



By Tito Vignoli. 12mo, cloth, price, $1.50. 



" His book is ingenious : . . . his theory of how science pradu.illy differentiated from and con- 

 quered myth is extremely well wrought out, and is probably in essentials correct.'' — Sutuidaij 

 neview. 



"The book is a strong one, and far more interesting to the general reader than its title would 

 indicate. Trie learning, the .acuteness, the strong reasoning power, and the scientific spirit of tlie 

 author, command admiration."' — Neiv York Christian Advocate. 



"An attempt made, with much .ability and no small measure of success, to trace the origin and 

 development of the myth. The author bas pursu'^d his inquiry with much patience aiul ingenuity, 

 and has produced a very readable and luminous tveatiic.^' —Philadelphia North A7neriran, 



•' It is a curious if not startling contribution both to psychologj' and to the early history of 

 man's development." — New York World. 



Sold by all booksellers ; or sent by mail, post-paid, on receipt of price. 



New York : D. APPLETOiN' «fe CO., 1, 3, & 5 Bond Street. 



