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. Schaefner, Editor. 



F. J. Tyler, Subscriptions. 



R. F. Griggs, Advertising Agent. 



THE OHIO NATURALIST, Ohio State University, 



COLUMBUS, OHIO. 



CONTENTS 



The Lake Laboratory 79 



Herbert Osborn 



Notes on the Flora of Sandusky 82 



W. A . Kellerman 



Zoological Notes 86 



Herbert Osborn 



Notes on the Bird Life of Cedar Point 91 



Robert F. Griggs * 



Plant Study at Sandusky Bay 93 



Harriet G Burr 



Dragonflies of Sandusky 94 



James S. Hine 



Sponges and Bryozoans of Sandusky Bay 96 



F. L. Landacre 



Additions to the Sandusky Flora 97 



Robert F. Griggs 



ninor Plant Notes, No. 3 98 



W. A. Kellerman. 



A List of Kansas Oesmids 1 00 



John H. Scbaffner 



Mosses; Illustrative Samples 102 



W. A. Kellerman 



Additional Note on the Syndesmon Involucre 104 



A ■ Wetzstein 



rteetings of the Biological Club 105 



James S- Hine, Sec. 



News and Notes 106 



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



