176 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 115 



Sternal f urea attached to ventral surface of cephalothorax between, 

 and slightly posterior to, maxilliped bases. Width of base offurca 

 equal to distance between outer distal margins of tines. Right tine 

 broken on holotype specimen; left tine with rounded distal margin. 

 Tines directed laterally from origin at apex of bifurcation. Bifurca- 

 tion extending two-fifths length of process; apex flat, length slightly 

 less than half width of base (fig. lO^. 



First thoracic leg biramous though endopodite reduced to simple, 

 minute lobe on inner distal surface of protopodite. Protopodite 

 one-segmented, inner proximal surface extending as small articular 

 process. First segment of two-segmented exopodite slightly longer 

 than protopodite; proximal and distal margins irregular. First seg- 

 ment with single, small spine on outer distal margin. Second segment 

 of exopodite short, less than half length of first segment. Distal 

 margin of second segment with four flexible processes, innermost 

 spinelike, second outermost bifid (fig. lOn). Inner lateral margin of 

 second segment with three plumose setae, distalmost seta with stiff 

 setules on proximal portion (figs. 10m,n). 



Second thoracic leg biramous. Protopodite two-segmented; first 

 segment short, proximal region slender, proximal end a two-lobed 

 articular surface. Second segment broad, greatest width twice that 

 of first segment; greatest length slightly more than twice that of first 

 segment. Distal end of second segment irregular. Exopodite three- 

 segmented; greatest length of first segment equal to that of combined 

 second and third segments. First segment with strong, simple spine 

 on outer distal corner, directed at angle across outer distal corner of 

 second segment. Second segment short, with strong, simple spine on 

 outer distal corner, directed at an angle across middle of third segment. 

 Third segment longer than second, width greater than length; lateral 

 margins with irregular convex curve, distal margin forming rounded 

 apex of union of lateral margins. Outer lateral margin of third 

 segment with two spines, small spine from middle of segment curving 

 medially, second spine just distal to fu'st, more strongly developed, 

 with thin membrane along inner and outer margins. Endopodite 

 three-segmented; first and third segments shorter than second. 

 Third segment broadly rounded (fig. lOo). 



Third thoracic leg biramous. Protopodite one-segmented, broadly 

 flattened. Exopodite two-segmented, with three-parted, spinelike 

 process arising from junction of protopodite and exopodite, and curving 

 inward. First segment of exopodite almost twice length of second, 

 second segment broadly rounded, distal and lateral margins contin- 

 uous. Endopodite two-segmented ; first segment short, with indistinct 

 proximal margin, second segment broadly rounded laterally, flattened 

 distally (fig. lOp). 



