SCIENCE. 



111 



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The Few $50 Microscope 



(See Illustration.) 

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SCIENCE 



_A_ WEEKLY JOURNAL OF SCIENTIFIC PROGRESS 



Vol. II, No. 48, ------- May 28, 1881. 



CONTENTS. 



The New Microscopy (Edit.); The Production of Sound by Radiant Energy, by Professor Alexander Graham Bell; 

 Contributions to Comparative Psychology, by S. V. Clevenger, M. D. ; Further Notes on the Brain of the Sauropsida, 

 by E. C. Spitzka, M. D.; Astronomy ; New Asteroid ; Correspondence ; Locusts and Sun Spots, by A. W. Swin- 

 ton ; Anatomical Nomenclature, by Oliver Wendell Holmes ; A Curious Egg, by E. E. Barnard ; Books Received ; 

 A Memoir of Professor Joseph Henry ; General Notes, &c, &c, &c. 



Subscription, Four Dollars a Year. 



Single Numbers, Ten Cents 



