TETRERES NESIOTES. 493 



fine capillary setae. On the abdominal somites the neuropodials are more 

 numerous and are, in the main, much finer, plumose setae. The shaft of each is 

 capillary and distally drawn out into a fine, more or less curved, tip. (Plate 

 75, fig. 2). On at least some of the somites, a much coarser and longer, more 

 or less remote, seta is present. The notopodial setae of the four parathoracic 

 somites are very coarse paleae flattened in the cephalocaudal direction. They 

 are somewhat oar-shaped, being, however, wide even at the proximal end, 

 moderately enlarging distad, with the thin apical portion, when entire, moderately 

 acute and somewhat curved caudad. The tip often frayed through use. (Plate 

 75, fig. 5). The uncini are very numerous. They have the usual general 

 structure. Each bears a series of mostly nine acute, overlapping teeth, which 

 are longest at the middle of the plate. The blade of the uncini is transparent, 

 narrow, and in outline somewhat clavate. (Plate 75, fig. 1). 



Locality. Paumotu Islands: Makemo, Reef Flat. 20, 21 October, 

 1899. Two specimens. 



Paumotu Islands: Fakarava. 12 October, 1899. One specimen. 



This species has structural resemblances to T. giardi (Mcintosh) , taken off 

 Port Jackson, Australia. The outer paleae of the operculum are similarly 

 smooth and free from all denticulation along the edges. However, the paleae 

 are proportionately very much shorter, do not have a similar fusiform outline, 

 and are conspicuously bent at the distal end toward the center of the circle of 

 which they form the circumference, instead of being bent outward. The speci- 

 mens representing the present species indicate a much larger form than giardi. 

 The papillae along the caudal side of the outer opercular paleae are longer and 

 more uniform, and the cirri of the first thoracic somite are widely different. 

 It seems also to have affinities with laevispinis Grube; but, among various other 

 points, differs in having but two nuchal hooks instead of four. 



