NO. 35S6 CYCLOPOID COPEPODS — HUMES AND HO 3 



1, 1, 2, and 1,1 (the Roman numeral referring to the claw). Recm-ved 

 claw on last segment 6/x in length, slender seta IT^u. 



Ijabnun with posteroventral border having two widely separated 

 lateral lobes (fig. 9). Mandible (fig. 10) with an attenuated blade 

 concealed in ventral view under posterior part of labrum (see fig. 9). 

 Paragnath absent. First maxilla (fig. 11) a small rounded lobe 

 bearing two naked setae. Second maxiUa (fig. 12) probably 2-seg- 

 mented, though separation of segments not complete. Second seg- 

 ment bearing two inner elements (a slender setnle and a stout hyaline 

 seta) and termmatmg in a finger-like process with a hyaline lamel- 

 late inner margm. Maxilliped (fig. 13) 2-segmented, second segment 

 bearing two small naked setae and termuiating in 2 ii-regular lobate 

 processes. 



Legs 1-4 with general form and segmentation lil^e that shown 

 for leg 1 m figure 14; exopods 3-segmented (the articulation obscure), 

 endopods 2-segmented. Spine and setal formula as follows (Roman 

 numerals mdicating spines, Arabic numerals setae) : 



Pi protopod 0-0 1-0 



P2 protopod 0-0 1-0 



P3 protopod 0-0 1-0 



P4 protopod 0-0 1-0 



In all four legs coxa with a slender setule on posterior outer surface; 

 basis with an outer naked seta and an inner tuft of long hairs. Exopod 

 with stout spines recurved posteriorly (fig. 15); three small slender 

 setae at inner base of terminal spine in legs 1 and 2, two such setae in 

 legs 3 and 4. Long hairs arising from inner margins of first and second 

 segments of exopod. Endopod with long hairs on outer margins of 

 both segments; hist segments with two terminal setae in legs 1, 2, and 4, 

 but unarmed in leg 3 (fig. 16). 



Leg 5 (fig. 17) elongated and slender, with its free segment not clear- 

 ly delimited from body. Segment about 120ju in length and somewhat 

 irregular in width, tapered distally, bearing two unequal terminal naked 

 setae 13^ and 26^ long. A slender seta arising from body wall dorsal to 

 base of segment. Leg 6 absent. 



Color in life in transmitted light slightly reddish brown, eye red, egg 

 sacs orange red to reddish green. 



Male. — Body (figs. 18, 19) rather slender, slightly longer than 

 female. Length 1.15 mm (0.94-1.35 mm), greatest width 0.16 mm 

 (0.13-0.19 mm), based on 10 specimens. Without external segmenta- 

 tion. Caudal ramus (fig. 20) shorter than in female and not distinctly 

 delimited from anal segment. 



