VOLUME SEVEN NUMBER TWO 



JOURNAL 



OF 



ENTOMOLOGY 



AND 



ZOOLOGY 



JUNE, 1915 



PUBLISHED QUARTERLY BY 

 POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 



CLAREMONT, CALIFORNIA, U. S. A. 



CONTENTS 



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

 The Eversible Glands of a Chrysomelid Larva^ Melasoma lap- 



PONICA — Gerson Garb 88 



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



TERA — Edna Mosher 98 



New 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 Region 134 



Elaterid.t, (Coleoptera) From the Claremont-Laguna Region — 



Ralph P. James ----- 136 



Amphibia of the Claremont-Laguna Region 138 



Elaterid.^ (Coleptera) From the Claremont-Laguna Region — 



Ray E. Gardner - 139 



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



March 3, 1879 



