256 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Sek. 



48. Cynnis luridiis Stal. Seattle, July 7, 1917. 



49. Geocoris huUatus (Say). Soda Springs, Placer Co., 

 6600 feet, August 24, 1916. 



50. Geocoris pallcns Stal. San Francisco, July 18, 1916 

 Muir Woods, July 15, 1917; Niles Canyon, July 24, 1916 

 Santa Cruz Co., June 7, 1917; Monterey Co., June 10, 1917 

 Contra Costa Co., June 14, 1917; Laurel Dell, Lake Co., 

 August 2, 1916; Placer Co., 4500 feet, August 20, 1916. 



51. Geocoris paUcns var. decoratus Uhl. Fallen Leaf 

 Lake, 6400 feet, August 21, 1916. 



52. Geocoris atricolor Montd. San Francisco, July 18, 

 1916; Muir Woods, July 15, 1917; Santa Cruz Co., June 

 7-8. 1917; Monterey Co., June 10, 1917. 



53. Crophins bohcmani (Stal). Portola Valley, San Ma- 

 teo Co., May 4, 1917; Los Altos, July 26, 1916; Placer Co., 

 August 19, 1916, on oaks. 



54. Crophins imprcssus Van D. Santa Clara Co., June 

 11, 1917. 



55. Ligyrocoris diffusiis (Uhl.) Tallac, August 22, 1916, 

 young; Soda Springs, Placer Co., 6600 feet, August 24, 

 1916. 



56. Peritrechus tristis Van D. San Francisco, July 18, 

 1916; Crystal Springs, San Mateo Co., June 25, 1916. 



57. Rhvparochromus sodaUciis (Uhl.) Santa Cruz Co., 

 June 7-9,' 1917. 



58. Scolopostethus tropicus (Dist.) Niles Canyon, June 

 13, 1917; Santa Cruz Co., June 10, 1917. 



59. Euryophthaluius convivns (Stal). San Francisco, June 

 and July, on lupines in great numbers; near Cloverdale, So- 

 noma Co., August 3, 1916. Here, as in my catalogue, I have 

 followed Distant's determination of this species, which I am 

 almost convinced is erroneous. This species agrees exactly 

 with the description and figure of Herrich-Schaeffer and it 

 is very close to succinctus (Linn.) of the eastern states. It 

 is the cinctiis of my San Diego list and very distinct from the 

 cinctiis of the Biologia, the latter a Mexican species which 

 may cross the border into Arizona and Texas. 



60. Piesma cinerea (Say). Near Stockton, May 31, 1917. 



