Pomona College Journal of Entomology 



505 



A long hair on apex of penultimate joint. A few hairs on tarsi II, III and IV 

 are fine and pectinate. Unguis monodactyle. Femora gradually clavate, projec- 

 tion between legs I and II blunt anteriorly. I-eg I on a chitinous projection of 

 cephalothorax, coxse and trochanters I and II drawn into cephalothorax and ap- 

 parently missing. This s])ecies is easily distinguished from D. tenuipes Michael, 

 D. geniculatus Koch, and D. concolor Koch, by difference in length; also by gen- 

 eral shape of pseudostigmatic organ and by absence of furrows or other markings 

 on ceplialothorax. Under rotting boards, New Haven, Conn., 



Notaspis bilamellatus n. sp. 

 (Figure 162) 

 Length .79-.96 mm. Light cliestnut, smooth, but not polished. Abdomen broader 

 than long, globular, without wings. Cephalothorax large, anchylosed to abdomen. 

 Mandible large chelate. Lamellie blades on edge, running from pseudostigmata 

 and meeting forward; cusps of lamella thickened, free, and projecting forward 

 horizontallj'. Lamellar liairs long, sout and smooth. Rostral hairs half as long. 



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Figure 162. Notaspis bilamellatus 



