16 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 124 



Cleptoria rileyi alabama, new subspecies 



Figures 9, 10, 12 



Holotype. — Male, USNM 3245, also six male and female 

 topoparatypes, from Auburn, Lee County, Ala., collected by O. F. 

 Cook, July 1896. 



Diagnosis. — Similar to C. r. rileyi in most respects but differing in 

 more strongly produced sternal areas and in details of gonopod struc- 

 ture, particularly appreciably larger flange of femoral portion as seen 

 in mesal aspect (cf. figs. 9 and 10). 



Description of holotype. — Length, ca. 44 mm, width of sixth 

 segment 12 mm, of twelfth segment 12.8 mm, of sixteenth segment 

 11.0 mm; W/D ratio at twelfth segment 61 percent. 



Agrees in details with description of C. r. rileyi but with following 

 exceptions: 



Collum not distinctly broader than following tergite. 



Hypoproct with distinct median projection. 



Podosterna more strongly modified, produced into subacute conical 

 lobes between bases of posterior legs of each segment, but most dis- 

 tinctly developed on segments 8-14. Many of these segments also 

 have sterna produced into low but distinct transverse ridge running 

 mesally from base of coxa of each of anterior legs, these ridges car- 

 rying transverse row of setae noted for other subspecies. Interzonal 

 furrow very pronounced down sides and deepest just in front of 

 large, auriculate stigmata, edge of prozonite here emphasized as 

 suberect, acute-edged flange. 



Caudal edge of sides of segments set off by conspicuous elevated 

 marginal ridge running from paranota down to upper end of coxal 

 openings, becoming higher and more distinct ventrally, this ridge 

 preceded by well-defined submarginal furrow similar to that of 

 Deltotaria brimleii. Lower sides with short ridge just above coxae, 

 variously denticulate and much more prominent than in two related 

 subspecies. 



Sterna between third legs produced strongly distad into medially 

 suturate, apically somewhat divergent process, sternum between 

 fourth legs with two processes as described for C. rileyi but these 

 about twice as long, attaining level of ventral surface of adjacent 

 coxae. 



Gonopods generally similar to those of C. r. rileyi but somewhat 

 more abruptly curved in femoral division and with adcoxal femoral 

 flange larger and better defined; in mesal aspect tibiotarsal part of 

 gonopod is distinctly more massive than corresponding area in 

 C. rileyi. 



Distribution. — Known so far only from east-central Alabama. 

 The following material, all topotypical, has been examined: 



