Vol. XXviJ ENTOMOLOCICAI. vtvvv II3 



longrr ' '•-. with a small tpinc near its tip. and a similar spine on 



each 5! r anus. Anus situated about its width from the front 



nurgin of the anal pbte. 



Legs moderate: first pair extending beyond the tips of the 

 palpi by about one-third their length; fourth pair not quite reach- 

 ing the posterior margin of the abdomen. The fint and fourth 

 pairs of legs are subequal in length. The Mcood pair it sfifhdy enlarg- 

 ed. Tamu of leg I. clothed at tU tip with many fine bristles. Ptthrilli 

 of all the legs rather large, tarsal daws moderate, strongly curved. 

 Toul length of female. asS mm.; width. 0^34 mm. 



Maie. — Not observed. 



FixMii Rockport. Missouri ; taken from hat. Vesper swbuio' 

 /MX Say by C. R. Crosby. 



Three adult females and one immature specimen obtained 

 Description made from a single individual, the type s p ecimen. 

 1*he other adult females labeled as cotypes. This spedes dif- 

 fers from Liponyssus omrricamus Banks in the shape of its 

 body which is more pear-like, in having mtich shorter and 

 stouter leg's, as welt as in several Other characters. 



Fam. AnAtOMiaAt. 

 Proctophyllodcs trisetoaos n. s^ (Plate IV. Fig. 4.) 



A rocdram-sited. light brown sp e ci es; wiili p o s terior bristles qpnle 

 prominent 



J/afr«— llootli-pafts calmdin g forward for aboot oae-half the 

 length of the first pair of legs. 



Dorsal shield of ccphalothorax granular, modcratdy chitintacd, 

 slightly broader than long; and bearing near each side a large tactfle 

 bristle which is longer than the shield itself. Epinera of irst pair of 

 legs well ch i tinia ed, and contignotn at their posterior ends IfKiig't not 

 fused t ogeth er . Epimera ol second pair of legs w«0 diitiniied. cres- 

 cent-shape, and diverging strongly for the posterior two-fifths of 

 their length. 



Dorsal plate of abdomen broadest at its anterior end ; about two and 

 one-half times as long as broad, and slightly granular. From the sides 

 of the abdomen just in front of the third pair of legs there extends 

 a long pair of bristles. These bristles are about one-half as long as 

 the abdomen. Genital area inverted U-shaped. Penis sharp, stoat, spine- 

 like: extending from the anterior margin of the genital area bacfc- 

 warH about two-durds the distance to the bases of anal socfcers. Anal 

 tuckers strongly diitinised. aboot one and one-half times as long as 

 they are broad at thrir bases. Hyaline plates foliaceons. not more than 



