296 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 99 



and eight pairs of dorsosubmedian cloudlike setae (the anterior lateral 

 setae may or may not be on edge of shield) ; shield about as wide as 

 long, narrowing to rear which is rounded. Three pairs of anal bristles, 

 the posterior pair squamiform serrate, other anal and genital setae 

 simple. Leg I about 300/i long; IV, 266/t long. Tarsus I, 127/* long; 

 tibia I, 57 fi long; all tarsal setae simple, not squamiform; dorsally a 

 long rodlike sensory seta ; guard seta slightly longer than sensory seta ; 

 tibia I with three squamiform setae and a short, curved clublike 

 sensory seta. Tibia III with two dorsal squamiform serrate setae, and 

 ventrally a lanceolate serrate seta and a simple seta. Length of body 

 513/1, length including rostrum 680]^; width about 380ju,. 



Male. — Palpi long, slender ; palpal femur 21/2 times as long as broad, 

 the dorsal seta squamiform; genu with a squamiform dorsal and a 

 slightly broadened ventral seta ; femoral and genual setae as in female ; 

 palpal claw with a single small basal tooth; outer comb with about 

 19 teeth ; inner comb with about 22 teeth. Rostrum long, narrow, with 

 a few longitudinal markings ; peritreme composed of seven pairs small 

 segments. Propodosoma entirely covered by shield, with four pairs 

 of marginal and three pairs of dorsal submedian squamiform serrate 

 setae. Shield covering all of hysterosoma ; shield with four pairs of 

 marginal and two pairs of dorsal submedian squamiform serrate setae. 

 Genital opening on posterior-rear. Tarsus I, 116ju, long; tibia I, 90/* 

 long. Tarsus I sensory seta long, extending past tip of tarsus ; guard 

 seta simple, less than one-half as long as sensory seta. Tibia I with 

 lanceolate serrate setae. Length of body 307/t, including rostrum 513/i ; 

 width about 266/a. 



Type host. — Neotoma fuscipes (occupied nest). 



Type locality. — Monterey, Calif. 



Type.—V.S.^.U. No. 1768. 



The female type and a male were collected from an occupied nest 

 of Neotoma fuscipes^ February 14, 1946, and a female paratype was 

 collected on N. fuscipes^ March 16, 1946, at ISIonterey, Calif., by J. M. 

 Linsdale. Two females were collected on pine mouse, College Park, 

 Md., June 14, 1933, by F. C. Bishopp, and another female was collected 

 on pine mouse. Burnt Mills, Md., March 29, 1932, by R. Greenfield. 



The peritreme, palpi, and setal arrangement on the dorsal posterior 

 plate and type of setae on tibia III distinguish this species from 

 Eucheyletia -fiabeUifera (Michael). 



EUCHEYLETIA HARDYI. new species 



Plate 16, Figtoes 140-144 



Female. — Palpi and rostrum somewhat large in proportion to body. 

 Palpal femur strongly swollen on outer side; dorsal palpal femoral 



