382 U.S. NATIONAL MUSEUM BULLETEST 236 



Legs 2 to 4 with 3-segmented exopodites and 2-segmented endopo- 

 dites. The particulars of these legs appear in figures 149b-d, the setal 

 formula, and the following notes. Setal formula: 



endopodite exopodite 



leg 2 1.421 0.1.123 



leg 3 1.321 1.1.223 



leg 4 1.321 1.1.223 



Leg 2. No seta at internal margin of 1st exopodal segment; 

 external margin of 1st endopodal segment drawn out in point (fig. 

 1496). 



Legs 3 and 4. Internal margin of 1st exopodal segment with 

 distinct seta (figs. 149c,d). 



Leg 5 (fig. 149e) with baso-endopodites of both sides fused in mid- 

 dorsal line to distinct intercoxal plate on ventral aspect of thoracic 

 somite 5. Baso-endopodite slightly shorter than exopodite, with 5 

 spines: 2 at apex, 3 at internal border. Jointing between exopodite 

 and baso-endopodite indistinct; exopodite elongate, with 6 setae: 1 

 internal, 2 apical, and 3 external. External lobe greatly lengthened, 

 with fine seta. 



Color yellowish, without indication of presence of eyes or pigmented 

 spots. Female carries no eggs. 



Remarks. — The reasons for the inclusion of this species in a new 

 genus have been stated above (p. 378). A single female specimen was 

 obtained in washings of sponges from the Ifaluk lagoon. 



Subfamily Donsiellinae Lang, 1944 



Genus Donsiella Stephensen, 1936 



The sole species of this genus is: 



Females Males 



Donsiella limnoriae Stephensen, 1936. D. limnoriae Stephensen, 1936. 



Genus Laophontella Thompson and A. Scott, 1903 



The only species of this genus, Laophontella typica Thompson and 

 A. Scott, 1903, is known very insufficiently; the male also is still 

 undescribed. Its proper place in the Laophontidae cannot be ascer- 

 tained accurately. 



Genus Pholenota, new genus 



Diagnosis. — Females: Body cylindrical and slender, cephalo thorax 

 and abdomen distinctly separate, of nearly equal length. Head and 

 1st thoracic somite fused. Rostrum short, quadrangular plate, 



