24 Journal Xew York Entomological Society. [Vol. xix. 



and not quite so acute as in spinosits. Legs similar to those of spi)iosiis. with 

 apex of hind femora passing apex of abdomen: tarsi fuscous. Length of ,^'s, 

 g mm. ; J's, 9-10 mm. 



Described from seven males and twelve females collected by me 

 in the Huachuca Mountains, Arizona, in August, 1905. 



The meager description of Ncidcs caducus by Distant (Biol. Cent. 

 Am. Rhynch., I, Append., p. 460, 1893) from Mexico, answers so far 

 as it goes for this species and it may turn out upon comparison with 

 the type to be Distant's species. 



The three United States species of the genus Jalysits Stal may be 

 differentiated as follows: 



Scutellar spine not vertically elevated. 



Head armed with a long, horizontal, sharp, cylindrical spine, surpassing 



apex of head eloiigatiis n. sp. 



Scutellar spine elevated vertically. 



Vertex of head armed with a short, erect, blunt spine. Scutellar spine 



almost vertical muhispinosus Ashm. ( pcrclovatus Van D.). 



Vertex of head unarmed with a spine but provided with an abruptly endinij 

 sharp keel. Scutellar spine inclined at an angle of 45°. 



spinosits Say (zvickhaiiii \'an D.). 



Jalysiis (floplinus) miiltispiiiosiis Ashm. is the smallest member 

 of the genus thus far described and seems to be widely distributed. 

 It was described by Mr. Ashmead from Florida and, owing to his 

 poor characterization, was recently redescribed from Florida mate- 

 rial by Mr. Van Duzee as pcrclavatus. I have taken this species 

 in Langdon, Mo., Huachuca Mountains, Ariz., and Lakehurst, X. J. 

 Mr. Nathan Banks has taken it about Washington, D. C. /. spinosus 

 is widely distributed, as I have specimens from Dilly, Oregon, Inyo 

 Mountains, Calif., Nebraska, and from numerous points in the east, 

 where it is common. /. IVickJiami Van D. is a small spinosus. speci- 

 mens of which I have received from Mr. Wickham collected in the 

 Inyo Mountains, Cal. Mr. Van Duzee has compared my specimens 

 with his type and agrees to have no quarrel with me if I place his 

 species as a synonym of spinosus, although he prefers to call it a 

 variety. 



Sphaerobius quadristriata, new species. 



Black, head and anterior lobe of prothorax shining, these impunctat^, 

 minutely wrinkled but not setose as in insignis Uhl. and considerably larger 

 than that species. Projecting tylus reaching two thirds the length of the basal 



