CONTENTS 



The Aerobic Nature of Insect Tissue. P>y R. W. Glaser i 



A Large Number of Butterflies observed in One Day's Collecting, hy Fkank 



K. Waisdn . 3 



Microclytus —A Correction. By Chas. W. Lenc 8 



Description of a New Species of Piezocorynus. By Chas. W. Leng . . ii 



Notes on the Oviposition of Some Semiaquatic Hemiptera. By H. B. Hinger- 



KORl). 12 



The European Mole Cricket, Gryllotalpa Gryllotalpa L., an Introduced Insect 



Pest. By Harry B. Weiss and Edgar L. Dicker.son i8 



Ants Collected in British Guiana by Mr. C. William Beebe. By Wii.i.iam 



Morton Wheeler 23 



New Species of Sarcophaga from Niagara Falls, l^y R. R. Parker .... 28 



Beetles Collected on a Dead Black Oak in Virginia. By Wiri Rof.inson . . . 30 



Acalypterse Collected in Mobile, Alabama. By A. H. Stirtevant ... 34 



Synoptic Key to the Subfamilies of Miridae. By Harry H. Knight .... 40 



Concerning Lygaeidae. By H. S. Barber . 44 



Charles Edwin Sleight. By Wm. T. Davis ... 47 



Miscellaneous Notes 48 



