CONTENTS. 



On the Species of Bembidiura of America North of Mexico 



(cont. from p. 104, vol. xxiv). By Roland Hay ward . 105 



New and Little-known Bees. .By T. D. A. Cockerell . .144 



The Bees of the Genus Halictus found in New Mexico. By 



T. D. A. Cockerell ,163 



Vespinfe of the United States and Canada. By H. W. Lewis. 169 



