86 ENTOMOLOGICAL NEWS. [Mar., 'iS 



stigmatic organs simple, swollen toward their middle, beyond which 

 they are stoutly setiform. Abdomen very large, oval, and without 

 hairs above. Genital opening somewhat shield-shaped, much smaller 

 than anal opening, and situated over twice its greatest diameter in 

 front of the latter. Anterior legs extending beyond the tip of rost- 

 rum by about the full length of their tarsi ; posterior legs falling 

 considerably short of the tip of abdomen. Length, i.oo mm.; width, 

 0.68 mm. 



From the top of Mary's Peak, Oregon ; under rotting logs ; 

 by the writer. From Corvallis, Oregon ; under bark of stick 

 lying on ground ; by the writer. The specimen from Corvallis 

 is considerably larger than the others. The type from Mary's 

 Peak. 



Liacarus aequidentatus n. sp. (PI. Ill, figs. 12, 13). 



A large, dark brown, shiny species. Lamellae large, practically 

 as long as the cephalothorax, widest toward their middle, and each 

 ending in two small, equal cusps. Lamellar hairs long, straight, sim- 

 ple ; each arising from the end of lamella between the two cusps, 

 and extending far beyond the tip of the rostrum. Pseudostigmatic 

 organs swollen toward their middle beyond which they are setiform 

 and minutely and sparsely pectinate. Abdomen large, elongate, and 

 hairless above. Genital opening somewhat shield-shaped, smaller than 

 anal opening, and situated about twice its greatest diameter in front 

 of the latter. Legs long but hind pair not extending beyond the 

 tip of the abdomen. Length, 0.92 mm.; width, 0.61 mm. 



From top of Mary's Peak, Oregon ; under moist stones ; by 

 the writer. From Corvallis, Oregon ; under an old piece of 

 wood which was lying on damp ground ; by the writer. The 

 single specimen which I have from Corvallis is larger than 

 those obtained from the top of Mary's Peak, but appears to be 

 the same in other respects. The type from Mary's Peak. 



Notaspis bipilis Hermann. 



Recorded from top of Mary's Peak, Oregon ; under a rotting 

 log; by the writer. Recorded also from Corvallis, Oregon : on 

 ground under an old piece of wood ; by the writer. 



Cepheus flavus n. sp. (PI. Ill, figs. 14, 15). 



A long, recticulated, rough species. Lamellae very large, covering 

 much of the cephalothorax, and united along their median free part 

 so as to form a hood-like structure overhanging the rostrum. Lamel- 

 lar and apparently interlamellar hairs also wanting. Pseudostigmatic 



