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PROCEEDINGS OF THE NATIONAL, MUSEUM. 



VOL. 60. 



7-segmented, rather slender; legs small, normal, digitules slender, 

 slightly knobbed, claw with a denticle, tarsus considerably longer 

 than tibia ; ventral surface between anterior and intermediate legs and 

 around mentum more heavily chitinized, bulging into symmetrica] 



Fig. 21. — Ekiochiton hispidds Maskell. A. i^rva, X us ; B. lauva^ apex of abdomen, 



X335; C. ADULT FEMALE, SPIRACLE, X 335 ; D. ADOLT FEMALE, ANAL PLATES, X 220 ; E. 

 ADULT FEMALE, OUTLINE OF BODY, DOKSAL, X 17.5 ; F. ADULT FEMALE, ANTENNA, X 165 ; G. 

 LARVA, LEG, X 220 ; H. SAME, CLAW SHO^TNC DIGITULES AND DENTICLE, X 640 ; I. ADULT 

 FEMALE, BODY SPINB, X 500 ; J, ADULT FEMAI L . MIDDLE LEG, X 165 ; K, SAME, CLAW, X 640 ; 

 Ij. larva, ANTENNA, X 220 ; M. ADULT FEMALE, TUiiULAU DUCT, X 1500 ; N. ADULT FEMALE, 

 QUINQUELOCULAR PORE, X 1500 I O. ADULT FKMALE, VENTRAL SETA, X 500. 



folds partly overlapping the mentum below, the latter apparently 

 1-segmented; whole dorsal surface with numerous long, but fairly 

 slender, somewhat tapering truncate spines, these more numerous in 

 a row along the margin; spiracular spines not differentiated; dorsal 



