CONTENTS VII 



Page 



Walker, M, V. Evidence of Triassic insects in the Petrified 

 Forest National Monument, Arizona. No. 3033. June 14, 

 1938 ' 137-141 



New genera : Palcohuprestis, Paleoscolyfus, Paleoipidus. 

 New species: Palcohuprestis maxima, P. minima, Paleoscolytus 

 divcrfjus, Paleoipidus jierforatus, P. marginatus. 



Wetmore, Alexander. A Miocene booby and other records 

 from the Calvert formation of Maryland. No. 3030. Janu- 

 ary 14, 1938 1 21-25 



New subgenus : Microsula. 



New species: Snla {Microsula) avita. 



. x4.nother fossil owl from the Eocene of Wyoming. 



No. 3031. January IT, 1938 ^ 27-29 



New species : Protostrix mimica. 



^ Date of publication. 



