Vol. VII] GIFFARD— CALIFORNIA HEMIPTERA 301 



produced black-tipped last ventral segment of the female and 

 the narrow plates of the male. 



Holotype (No. 368), female, from Crystal Springs in the 

 collection of the California Academy of Sciences. 



Allotype, male, from San Mateo Co., in collection of the 

 California Academy of Sciences. 



Paratypes in collection of Mr. Giffard and in that of the 

 author. 



287. Thamnotcttix gcrulus Ball. Near Cloverdale, So- 

 noma Co., August 3, 1916. 



288. Thamnotcttix bullafus Ball. Niles Canyon, May 23, 

 1917; June 13, 1917. 



289. Thamnotcttix longiscta Van D. Crystal Springs, San 

 Mateo Co., Niles Canyon. May 31, 1917; Santa Cruz Co., 

 500 feet, June 9, 1917; Tahoe City, August 23, 1916; Don- 

 ner Lake, August 24, 1916; Portland, Oreg., July 3, 1917. 

 Some of the specimens T have placed under this name want 

 the outer pair of black points on the anterior margin of the 

 head and in other individuals those behind the ocelli are 

 wanting. 



290. Thamnotcttix iimhraticus Ball. San Mateo Co., June 

 17, 1917; Santa Cruz Co., June 16, 1917. 



291. Chlorotcttix unicolor (Fh.) Tallac, August 22, 1916. 



292. Ncococlidia lineata Bak. Fallen Leaf Lake, August 

 21, 1916; Placer Co., August 20, 1916; Donner Lake, Au- 

 gust 24, 1916. 



293. Ncococlidia ohscura Bak. Los Altos, July 26, 1916; 

 Mt. Tamalpais, August 16, 1916; near Middleton, Lake Co., 

 August 2, 1916. 



294. Cicadula sexnotata (Fall.) San Francisco, May, 

 1916; July 2, 1916; Crystal Springs, San Mateo Co., June 

 25, 1916; Los Altos, July 26, 1916; Santa Cruz Co., 1200 

 feet, June 9, 1917; Niles Canyon, July 24, 1916; May, 

 1916; September 2, 1916; Fallen Leaf Lake, August 21, 

 1916; Tahoe City, August 22, 1916; Tallac, August 22, 

 1916; Soda Springs, Placer Co., August 24, 1916; Port- 

 land, Greg., July 3, 1917; Ashland, Oreg., July 10, 1917; 

 Seattle, Wash., Tulv 7, 1917. 



