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THE POPULAR SCIENCE MONTHLY. 



Zoology for Students and General Read- 

 ers. By A. S. Packard, Jr., M. D., 

 Ph. D., Professor of Zoology in Brown 

 University. With numerous Illustra- 

 tions. New York: Henry Holt & Co. 

 Pp. 719. Price, $3. 



Dr. Packard has produced a superior 

 text-book for the use of zoological students. 

 It is considerably fuller than the ordinary 

 manuals, and provides for pretty thorough 

 study without taking rank among the volu- 

 minous and exhaustive treatises. The gen- 

 eral reader will find much in it to interest 

 him, but it has been prepared for the advan- 

 tage of working students ; and the author's 

 purpose will only be attained as the learner 

 uses the work to acquire a direct and actual 

 knowledge of zoological science. The au- 

 thor thus states the objects he has had in 

 view in preparing his books : " Should this 

 manual aid in the work of educatioii, stimu- 

 late students to test the statements pre- 

 sented in it by personal observations, and 

 thus elicit some degree of the independence 

 and self-reliance characteristic of the origi- 

 nal investigator, and also lead them to en- 

 tertain broad views in biology, and to sym- 

 pathize with the more advanced and more 

 natural ideas now taught by the leading 

 biologists of our time, the author will feel 

 more than repaid." 



Problems of Life and Mind. Third Series. 

 By George Henry Lewes. Boston: 

 Houghton, Osgood & Co. 1880. Pp. 

 500. Price, $3. 



This volume contains all the remaining 

 manuscript of the "Problems of Life and 

 Mind " left by Mr. Lewes at the time of his 

 death. Together with a small volume, pub- 

 lished a year ago, it forms his contribution 

 proper to psychology, though his " Physical 

 Basis of Mind," in any extended view of the 

 science, also forms a part. In the former 

 volume the aim and scope of the science 

 were considered, and in this the inquiry is 

 carried a few steps into the science itself. 

 The work opens with a discussion of the 

 question of mind as a function of the organ- 

 ism, in which the distinctive views of Mr. 

 Lewes, as to the nature of mind and its rela- 

 tion to the organized body in which its phe- 

 nomena are manifested, are set forth with 

 clearness, and some of the opposing views 

 criticised with eifect. The " sphere of sense 



and logic of feeling " occupies the author in 

 the second problem of the work, and the 

 like domain of intellect and the logic of 

 signs is considered in the fragment of the 

 remaining problem. Like all the works of 

 this series, the present has the fault of too 

 great diffuseness and unnecessary repetition, 

 but it contains much that is valuable, many 

 suggestive hints, and a good deal of strong 

 thinking. Any examination of the positions 

 taken by the work, or of their relation to 

 the teachings of other psychologists, is im- 

 possible here, and nothing further need 

 therefore be said save that students, to 

 whom the subject is of interest, will find 

 this, as all his other works, interesting 

 throughout, and the exposition remarkably 

 lucid. 



The Younger Edda. With an Introduction, 

 Notes, Vocabulary, and Index. By R. B. 

 Anderson. Chicago : S. C Griggs & Co. 

 1880. Pp. 302. Price, $2. 



Most people know something of the 

 mythologies and traditions of Greece and 

 Rome, of India and China ; but few know 

 anything of those of our Teutonic ancestors, 

 the Norsemen. To bring before English 

 readers the chief features of the theory of 

 creation of these northern peoples. Professor 

 Anderson has undertaken the translation of 

 " The Younger Edda " of Iceland, contained 

 in this volume. Together with " The Elder 

 Edda" this forms a complete system of 

 things. "The Elder Edda presents," says 

 Professor Anderson, " the Odinic faith in a 

 series of lays or rhapsodies," while " The 

 Younger Edda contains the systematized 

 theogony and cosmogony of our forefathers. 

 The two constitute, as it were, the Odinic 

 Bible." The translation is accompanied 

 with very full notes. 



Elementary Lessons on Sound. By Dr. 

 W. H. Stone. London : Macmillan & 

 Co. 1879. Pp. 188. Price, 80 cents. 



In this little volume are given briefly 

 the main facts of acoustics, with special 

 regard to their relation to music, besides 

 information that is properly intermediate 

 and supplementary to both acoustics and 

 music. It is clearly written and contains in 

 a small compass a large amount of infor- 

 mation. 



