Vol. xxix] 



ENTOMOLOGICAL NEWS. 



stigmatic organs are longer and subfusiform in shape instead of be- 

 ing clavate. The lamellae, also, are not so conspicuous. Length. 

 0.46 mm. ; breadth, 0.32 mm. 



1-Yorn Corvallis, Oregon; under a log; by the writer. 



Achipteria oregonensis n. sp. (PI. Ill, fig. 3 and text fig. 4). 



A very dark brown, smooth species. Lamellae extending beyond 

 the tip of the cephalothorax. and each ending in a cusp-like point. 

 Lamellar hairs reaching to about the tips of the lamellae, curved, 

 pectinate, and each situated on the inner margin of the free part of 

 the lamella near the base. Interlamellar hairs, long, curved, simple 

 (or minutely pectinate), and not reaching the tips of the lamellae 

 Pseudostigmatic organs extending forward, subfusiform, and simple. 

 Abdomen almost as broad as long, evenly rounded behind, and hair- 

 less above. The long cusps of pteromorphae are curved outward and 

 downward toward their tips, and do not reach the tip of cephalo- 



8 



Fig. 4. Achipteria oregonensis n. sp. Cusp of right pteromorpha, dorso-lateral aspect. 

 Pig. 5. Achipteria oregonensis n. sp., var. borealis n. var. Cusp of right pteromorplia, 



dorso-lateral aspect. 



Fig b.Jugatala lamellata n. sp. Left pseudostigmatic organ seen from above. 

 Fig. i.Jugatala lamellata n. sp. Left lamella from above. 

 Fj K . %, Oribatella acuta n. sp. Left pseudostigmatic organ from above. 



