PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL.XLV DECEMBER, 1938 No. 4 
TABLE OF CONTENTS 
Are Ants Larvae Apodous? George C. Wheeler . 139 
The Genus Lithurgus (Hymenoptera: Megachilidae). T. B . 
Mitchell 146 
Notes on North American Nitidulidae, III: Phenolia, Soronia, 
Lobiopa, Amphotis. C. T . Parsons 156 
The Interrelationships and Lines of Descent of Living Insects. 
G. C. Crampton 165 
Index to Volume 45 183 
