262 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



79. Anthocoris antevolens Wht. Taken everywhere on 

 willows from tide water to 7000 feet in the Sierra. 



80. Mclanocoris obovatus Champ. Summit, Placer Co., 

 7000 feet, August 24, 1916. The single specimen taken by 

 Mr. Giffard differs from Champion's description, in having 

 the elytra, the costa excepted, dark brown rather than black, 

 and the second antennal segment and tibiae scarcely paler. 



81. Triphleps tristicolor Wht. Niles Canyon, May 24 

 and July 24, 1916; Los Altos, July 26, 1916: Redwood Can- 

 yon, July 2, 1916; Mt. Diablo Park, July 23, 1916. Com- 

 mon everywhere in California. 



82. Stenodema vicinum (Prov.) Fallen Leaf Lake, Au- 

 gust 21, 1916; Portland, Oreg., July 3, 1917. These are 

 of the green form; nymphs only were taken at Fallen Leaf 

 Lake. 



83. Trigonotylus ruHcornis (Fall). Seattle, Wash., July 

 7, 1917. 



84. Trigonotylus breviceps Jak. San Mateo Co., June 



17, 1917; Tahoe City, August 23, 1916. This species is 

 common throughout California in suitable locations. 



85. Platytylellus intercidendus (Dist.) Muir Woods, July 

 15, 1917, one example with the sides of the scutellum black 

 and the anterior margin and median line of the pronotum red. 



86. Platytylellus bivittis (Stal). San Mateo Co., June 17, 

 1917; Yosemite, June, 1916. 



87. Phytocoris cancscens Reut. San Francisco, June, 

 1916; Redwood Canyon, July, 1916; Monterey Co., June 

 10, 1917; Placer Co., 6000 feet, August 22, 1916. 



88. Phytocoris eximius Reut. Redwood Canyon, Au- 

 gust, 1916; Santa Clara Co., July, 1916; Walnut Creek, Au- 

 gust, 1916; Mt. Diablo, July, 1916; Lakeport, August 2, 

 1916; Hamilton Station, Tuolumne Co., June 19, 1916; 

 Summit, 7000 feet, August 24, 1916. 



89. Phytocoris jiicundus Van D. Fallen Leaf Lake, 

 August 21, 1916; Placer Co., August 20, 1916. 



90. Phytocoris cmiealis Van D. Niles Canyon, June 



18, 1916; Mt. Diablo. July, 1916; Yosemite, July, 1916; 

 Placer Co., August 20, 1916. 



