Scientific Publications. 



ANTS, B££S, AND WASPS. A Record of Observations on the Habits of the 

 Social Hymenoptera, By Sir John Lubbock, Bart., M. P., F. E. 8 , etc., author 

 of " Origin of Civilization, and the Primitive Condition of Man,' etc., etc. With 

 Colored Plates. 12mo, cloth, $2.00. 

 " This volume containa the record of various experiments made with ants, bees, and 

 wasps during; the last ten years, with a view to test their mental condition and powers 

 of sense. The principal point in which Sir John's mode of experiment differs from 

 those of Huber, Forel, McCook, 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 inspection ever since 1874. His 

 observations are made principally upon ants because they show more power and flexi- 

 bility of mind; and the value of his studies is that they belong- to the department 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, charm- 

 ingly written, full of logical deductions, and, when we consider his multitudinous en- 

 gagements, a remarkable illustration of economy of time. As a contribution to insect 

 psychology, it will be long before this book finds a parallel." — London Athenaeum. 



DISEASES OF MEMORY : An Essay in the Positive Psychology. By Th. 

 Rebot, author of " Heredity," etc. Translated from the French by William 

 Huntington Smith. 12mo, cloth, $1.60. 



" M. Rlbot rednces diseases of memory to law, and his treatiee is of extraor- 

 dinary interest." — Philadelphia P?'esa. 



*'"Not merely to scientific, but to all thinking men, this volume will prove 

 intensely interesting."— iV^ewj York Observer. 



"M. Ribot has bestowed the most painstaking attention npon his theme, 

 and numerous examples of tbe conditions considered greatly increase the value 

 and interest of tbe volume." — Philadelphia North American. 



"To the general reader the work is made entertaining by many illustrations 

 connected with such names as Linnaeus, Newton, Sir Walter Scott, Horace Ver- 

 net, GnstaveDorfi, and many others." — Harrisburg Telegraph. 



*'The whole subject is presented with a Frenchman's vivacity of style." — 

 Promder)/:e Journal. 



''It is not too much to say that in no single work have so many cnrioua 

 eases been brought together and interpreted iu a scientific manner." — Boston 

 Evening Traveller. 



MYTH AND SCIENCE. By Tito Yiqkolt. 12mo, cloth, price, $1.50. 



" His book is ingenious ; ... his theory of how science gradually differen- 

 tiated from and conquered myth is extremelv well wrought out, and is probably in 

 essentials cottqcV— Saturday Heview. 



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

 title would indicate. The learning, the acuteness, the strong reasoning power, and the 

 scientific spirit of the author, command admiration."— iVew York ChrisHan Advocate. 



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

 origin and development of the myth. The author has pursued his inquiry with much 

 patience and ingenuity, and has produced a very readable and luminous treatise."— 

 Philadelphia North American. 



"It is a curious if not startling contribution both to psychology and to the early 

 Ustory of man's development."— iVew YorJc World, 



For sale by all boolcseU&'s; or sent by mail, post-paid, on receipt Qf price. 

 New York: D. APPLETON & C0.» 1, 3, & 5 Bond Street. 



