THE OOLOGIST. 



13 



POPULAR SCIENCE MONTHLY. 



Tilt? contents of the December No. 

 include the roUowiag articles. 

 Recent Theories in regard to the Determi- 

 nation of Sex. Prof. T. H Morgan. 

 The Academy of Science of St. Louis. Prof. 



William Trelease. 

 The Tetrahedral Kites of Dr. Graham Bell. 



Gilbert H. Grosvenor. 

 Hertzian Wave Wireless Telegraphy. Dr. 



J. A. Fleming. 

 The Salmon and Salmon Streoms of Alas- 

 ka. President David Starr Jordan. 

 The Storm Center in the Balkans. Dr. 



Allan McLaughlan 

 The Growth of Rural Population. Frank 



T Carlton. 

 Rear Admiral Melville, U. S. N.. and Ap- 

 plied Science in the Construction of the 

 New Fleet. The late Professor R. H 

 Thurston 



The Popular Science Monthly has had 

 few rivals and no equal in the educative 

 service it has done for the American peo- 

 ple A complete set of the volumes thus 

 far published Is both a history of science 

 for the period covered and at the same time 

 a pretty complete cyclopedia of natural 

 science. There is nothing to fill its plac**, 

 and to car'-y it on is a benefaction to the 

 public— W. T. Harris, U. S. Commissioner 

 of Education. 



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INDEX FOR VOL. XIX 



Will be printed in Decern bur Oologist. 



January issue of the Oologist will 

 be No. 1." Vol. XXI. Whole No. 198; 

 November and Decemt^er isp'ifs com- 

 plete and comprise Vol. XX. The 

 " Whole No of the Oologist as al- 

 ways printed on first page, and by 

 which subscriptions are credited, al- 

 ways runs consecutivelv, hence any 

 confusion in volume or Vol. No., can 

 be quickly untangled by referring to the 

 whole No. 



Tho is^ue for December, 1902, was 

 Yr,\ XIX wholn No 19i; for NTovem- 

 berand December, 1908 >s Vol XX, Nns. 

 1 and 2, whole Noe. 196, 197: and for 

 January, U03, will be as stated at the 

 beginning rf the pnragraph. 



Manv complaints have been received 

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 1902 issu s Subscribers lacking copies 

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 been credited on our books, but not on 

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