fci)' 



VOLUME SEVEN NUMBER TWO 



JOURNAL 



OF 



ENTOMOLOGY 



AND 



JUNE, 1915 ' '""*'^ ^^^^ 



PUBLISHED QUARTERLY BY 

 POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 



CLAREMONT, CALIFORNIA, U. S. A. 



CONTENTS 



Notes on Brachycentrus Nigrisoma Banks — /. T. Lloyd - - - 81 

 ^The Eversible Glands of a Chrysomelid Larva, Melasoma lap- 



PONICA — Gerson Garb 88 



V Homology of the Mouth-Parts of the Preimago in the Lepidop- 



tera — Edna Mosher 98 



INew Genera and Species of North American Hemiptera — E. P. 



Van Duzee --------- 109 



The Blind Crab Found at Laguna Beach -------- 122 



/Preliminary List of Common Heteroptera From the Claremont- 



Laguna Region — R. A. La Follette 123 



The Action of Simple Reagents on the Ganglia of Arthropods — 



/ William A.Hilton - 130 



** Neuroptera in the Claremont-Laguna Regio^j 134 



^ij^.u^¥vea&-/F. (Coleoptera) From the Claremont-Laguna Region — 



Ralph P. James - - - 136 



Amphibia of the Claremont-Laguna Region 138 



/Elaterid/e (Coleptera) From the Claremont-Laguna Region — 



Ray E. Gardner ---- l-^" 



Entered at Claremont, Gal., Post-Office Oct. 1, 1910, as second-class matter, under Act of Congress of 



March S. ISTii 



