6 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 122 



Dae tylocy there jeanaCf new species 



Male.^ — Eye present. Shell (fig. Ih) highest posterior to midlength, 

 much higher posteriorly than anteriorly; ventral margin with very 

 shallow excavation just anterior to midlength; submarginal setae 

 present except dorsally and closer together anteriorly and posteriorly 

 than ventrally. 



Copulatory complex (fig. Ig): Peniferum with thickened, rounded, 

 ventral extremity; accessory groove extending posterodorsally to 

 level of dorsal extremity of spermatic loop; penis L-shaped with 

 bulbous area in horizontal position and subequal in length to slender, 

 terminal vertical portion. Finger guard essentially bifid with 

 anterior ramus longer than posterior. Dorsal finger comparatively 

 heavy with apical part appearing bifid (probably spatulate); ventral 

 finger slender and gently curved to base of terminal "segment." 

 Clasping apparatus with extensions of two rami forming angle of 60° 

 to 80° and without thickening at their junction; vertical ramus with 

 angular prominence just proximal to midlength of posterior surface, 

 anterior border entire; horizontal ramus with external (ventral) 

 border entire and internal border with two teeth on distal third; 

 apex with three dorsodistally du"ected denticles. 



Female. — Eye present. Shell (fig. li) highest posterior to mid- 

 length and much higher posteriorly than anteriorly, ventral margin 

 with distinct concavity anterior to midlength. Submarginal setae 

 present except dorsally from level of eye to amiculum. Amiculum 

 and J-shaped rod present; however, latter often resembles inverted 

 L more than usual J. 



Measurements (in millimeters). — 



kolotype males allotype females 



number of specimens 

 length (range) 0.50 



average 

 height (range) 0.29 



average 



Type-locality. — Roadside ditch in Virginia Beach on Rte. 605, 

 near Stumpy Lake, Princess Anne County, Virginia. Specimens 

 removed from crayfishes dug from burrows. 



Disposition of types. — The holotypic male, and allotypic female 

 (113475) and a dissected paratypic male (113476) are deposited in 

 the United States National Museum. Paratypes are in the collection 

 of Mr. C. W. Hart, Jr., and in the joint collection of Miss Margaret 

 Walton and the author. 



Range. — Other localities from which specimens were collected 

 are: (1) 3.5 mi. north of Snow Hill on Rte. 258, Greene Co., N.C.; 

 (2) Landstown Road, off Princess Anne Road, Virginia Beach, Princess 



