260 ENTOMOLOGICAL NEWS. [June, '07 



affected by the ice of the ice age. This in most other parts 

 of the Northern part of our country had almost entirely wiped 

 out of existence, the more lowly and the more highly specialized 

 insects. 



The 23rd regular quarterly meeting of the Pacific Coast En- 

 tomological Society was held on February 23rd, 1907, at the 

 residence of Dr. F. E. Blaisdell, 1632 Post Street. President 

 Fuchs in the chair. 



Mr. J. C Bradley was elected to membership. 



Mr. F. X. Williams gave an interesting account of his work 

 on the Galapagos Islands (Expedition of the Cali. Acad. Sci.). 

 He stated that five species of butterflies were observed there, 

 Pyrameis huntera common, Agraulis vanillae var. ; Sphingidae 

 5 species ; Noctuids and Micros were well represented ; Diptera 

 rare, especially found on cactus ; mosquitoes were abundant, and 

 apparently where there was no water. They probably breed 

 in the orchids which are abundant in the green belt. Chiggoes 

 common and attacked the feet; Orthoptera plentiful, 3 genera; 

 cockroaches common ; Hemiptera few, under stones and bark- 

 some observed feeding on caterpillars; Coleoptera, 150 species: 

 one nocturnal species of Cincindela; Calosoma plentiful ; Dytis- 

 cidse, 5 species ; Gyrinidse, I species, Hydrophilidse, I species ; 

 few Staphylinids were found on rotting catcus and carrion ; 

 Coccinellidae, 3 species ; Dermestidse were common ; Histeri- 

 dse not common ; Elateridas, 5 species ; Buprestidse, one 

 small species ; Cleridae, I species ; several Ptinides ; Scar- 

 abasidae, 2 species one a Trox; Cerambycidae, 10 species; 

 Chrysomelidae, 2 small species ; Tenebrionidae were common : 

 Rhynchophora numerous. He also stated that 400 to 500 feet 

 elevation was the best altitude for collecting.. Turning over 

 stones and logs yielded the best results. Beating was of but 

 little success, collecting at light gave fair results, especially 

 at the beach. His experience with black steel pins was very 

 discouraging as they oxidize rapidly and soon become unsightly. 

 Brass pins were the best.. Capsules were bad on account of 



