IC>2 CALIFORNIA ACADEMY OF SCIENCES. 



Entomobrya multifasciata Tullberg. 



White yellow. Dark transverse bands on the posterior 

 margins of all the truncal segments; an apparent trans- 

 verse with irregular outlines on the fourth abdominal seg- 

 ment. The eyes are sixteen, eight on each side of the head. 

 The three outer joints of the antenna are of the same length. 

 The upper clazv is provided with three teeth. The lower 

 clazv is lanceolate and unarmed. The macro is provided 

 with two hooks. Length i.j mm. 



Of this species, already known from California, about 

 thirty individuals were found by Dr. G. Eisen, at Berkeley, 

 California. 



From this place also is to be found in great number a 

 variety that is characterized by the posterior of the third 

 abdominal segment being almost totally dark, and by the 

 transverse of the fourth increasing considerably in size. 



Entomobrya triangularis n. sp. 



White. Round the head through the eye patches there 

 is a faintly marked dark ribbon. The pronotum is bluish, 

 the mesonotum included by a broad border of same color. 

 The first, third and sixth abdominal seg/ueuts are dark. 

 On the sides of the fourth abdominal segment there are two 

 triangular dark spots, the points of which meet in the 

 median line of the back. The eves? The three outer joints 

 of the antenna are of the same length. The basal joints 

 are encircled b y dark rings. Tozvards the points the middle 

 joints are also covered with a bluish color; the terminal 

 joint is -wholly blue. The upper claw has tzvo teeth. 7V/ e 

 lower clazv is lanceolate and unarmed. The macro has 

 two hooks and a spine, directed backwards. Length i.yj 

 mm. 



This species bears a great resemblance to E. spec- 

 tabilis Reut. It has a similar formation of the terminal 



