ADDENDA 283 



converging and broadly arcuate thence to the narrowed apex, having at 

 base a single long deep oblique stria near the humeri; punctures not 

 very coarse but deep, even and moderately separated; suture slightly 

 elevated, except at the scutellum; pygidium strongly, closely punctate; 

 transverse prosternal sulcus very deep and abrupt, only just behind the 

 middle, the posterior lobe high, narrow and elongate; mesosternum 

 very short, the large metasternum and first abdominal segment with 

 moderate, rather close-set, slightly oval punctures; anterior tibiae feebly 

 enlarged distally, where there are about five slender erect spinules. 

 Length 1.35 mm.; width 1.65-1.7 mm. Colorado (Boulder Co.). Two 

 specimens. 



This conspicuous species has the punctures of the two pronotal 

 lobes very different in density as in sayi, but in all its other char- 

 acters it differs greatly. The elytral punctures are sparser and 

 rather smaller than in convergens. The outer or marginal of the 

 two lateral pronotal sulci, is coarser basally than in most of the 

 other species. 



ADDENDA 



I 



After my description of Parafilumis estriata (ante p. 107) had been 

 printed, I received a copy of Bull. Bk. Ent. Soc., for October 1916, 

 in which Dr. Van Dyke describes another species of the genus 

 under the name punctata (Nemozoma), from Ashland, Oregon. 

 Happily however, there is no conflict or resulting synonymy, for 

 punctata differs very much from estriata in its elongate head, 

 obliquely basally narrowed prothorax and relatively less elongate 

 elytra, larger size, stouter form and conspicuously in coloration. 

 Although the very minute elytral punctures in estriata are confused 

 in arrangement, the cellular structure of the integument showing 

 through, gives an impression of wide and indefinite longitudinal 

 lines, and between these lines the diffused punctures seem to be 

 somewhat less close-set among themselves. 



In the paper alluded to the author also describes a new species of 



