PSYCHE, 



[iLstiililisluMl In iSy.).] 

 Vol. 8. No. 281 . 



Sei'temiikr, 1899. 



CONTENTS: 



MANUSCRirT NOTES BY THE LATE TlIADDEIS WlI.I.IAM HARRIS OX Say's INSECTS 



AND PAPERS. — I. 399 



On Alebra AND RELATED GENERA. — Curl F. Baker. 401 



Some California bees. — Curroll Fo-i'!er. . 405 



Life histories of North American (Jeometridaic — 1\'. — Ilnrrlaon G. Dyar. . 407 



Puhi.ishf:i> rv ihe 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Camiikidck, Ma.ss., U. S. a. 



YRARLY SUBSCRIPTIONS, $2. VOLUME, .$5. MONTHLY NUMBERS, 20c. 



[Entered as second class mail inatter.] 



