THE OHIO 

 NATURALIST 



A journal devoted more especially to the 

 natural history of Ohio, The official organ 

 of The Biological Club of the Ohio 

 State University. Published monthly 

 during the academic year, from Novem- 

 ber to June (8 numbers). Price 50 cents per year, payable in advance. 

 To foreign countries, 75 cents. Single copies 10 cents. 



John H. Schaffnbr, JE^rf^7or. 



F. J. Tyler, Subscriptions. 



JR. F. Griggs, Advertising Agent. 



j\ Cm {1 T'f S S 



THE OHIO NATURALIST, Ohio State University, 



COLUMBUS, OHIO. 



CONTENTS 

 Variation in Sy ndesmon Tlialietroides 1 07 



W. A. Kellerman 



Description of New Species of Stratiomyidae with notes on 



others, 112 



J. S. Hine 



Ohio Batrachia in the Zoological Museum of the O. S. U 114 



Max Morse 



The Promethea Moth, Callosamia promethea 116 



Herbert Osborn 



Meeting of the Biological Club 117 



Jas. S. Hine, Sec. 



News and Notes 118 



Entered at the Post Office at Columbus, Ohio, as second class matter. 



