XXXI, '20] ENTOMOLOGICAL NEWS 293 



From Ithaca, New York; in dead grass collected in a 

 Berlese trap; by the writer. 



Described from a single female, in the writer's collection. 

 This species is the first of the genus that the writer has re- 

 ported from America. 



A New American Amaurobius (Arachnida,, 

 Araneina). 



By Ralph V. Chamberlin, Museum of Comparative 

 Zoology, Cambridge, Massachusetts. 



Amaurobius fractus sp. nov. 



9 . Carapace, sternum, and legs fulvous, without markings, Abdo- 

 men above and at sides grey, a paler pointed mark at base and several 



indistinct chevrons behind, under the 

 lens showing small pale dots and 

 marks; venter dark in front of spin- 

 nerets, the other part lightened with 

 larger yellowish marks. Eyes of the- 

 usual general relation. Anterior me- 

 dian eyes much smaller than the 

 laterals. Posterior eyes subequal to 

 each other and to anterior laterals; 



median eyes their diameter apart, 

 Amaurobius fractus n. sp. Epigvnum. , , ■ i r 



two and two-thirds or more as tar 



from the laterals. Clypeus narrower than diameter of an anterior lateral 



eye. Characterized by the epigynum which is wide open and much 



suggests that of A. ferox Bl., a much larger species. See accompanying 



figure. 



Length 5.5 mm. Length of cephalothorax 2.8 mm.; width 1.8 mm.. 



Length of tib. -|- pat. IV, 2.9 mm. 



Locality. — California: Claremont. Type. — M. C. Z. 501. 



Changes of Address. 



Mr. William Beutenmuller has removed to Highwood, Bergen County, 

 New Jersey. His postofifiice box there is No. 258. Will correspondents 

 please notice. 



As from January i, 192 1, the permanent address of the Publication 

 Office of the Imperial Bureau of Entomology will be: 41, Queen's Gate^ 

 London, S. W. 7. All communications respecting subscriptions to or 

 exchanges for the Review of Applied Entomology and Bulletin of Ento- 

 mological Research, or to the Bureau Library, should be sent to the As- 

 sistant Director at above address. 



