Pomona College, Claremont, California 9 



Obisiidae. Spinneret small knob. Serrula attached only at base. Carapace not 

 divided. 



Ohisium macilentum Simon, Claremont-Mt. Shasta. 



Bhtlirus calif ornicus Bks., S. Calif. 



B. magnus Ewing. Shasta Springs. 



Linn Syst. Nat. ed. 12, 1767. Ann. Ent. Soc. Fr. 1878. Jour. N. Y. Ent. Soc. 1895. 

 Jour. Ent. Zool. June 1914. Jour. Ent. Zool. Dec. 1911, V. 3, p. 633, 1914, 6, p. 818, 

 p. 6, Nn. 4, p. 87, V. 9, 1917, p. 26, V. Canad. Ent. 1893, p. 67, also 1891, p. 165. 



