62 



togenia\ it looks very iinpi-obable that such able investigators as Savigny '), AuDOuix et Milxk 

 Edwards -) and Grube •') (who amonj^ the Philippinc-worms met with representants of both 

 oenera) should have overlooked the elytra. Moreover the appearance of the dorsal bristles 

 (loc. cit. PI. \'I '^, fig. 8) of the Challenger-worm does not agree with that of Palm. aarifera, 

 as figured by Audouin et M. Er)\v.\RDS. Augener, who examined a spechnen oi Paliu. aiirifcra 

 MVom Kings-Mills Islands and also coidd state the absence of elytra, comes to the same con- 

 clusion (Fauna Südwest-Aiistraliens, Polychaeta, jj. 8oj. 



1. J'outogenia nitiia n. sp. PI. XI\', hgs. 5 — 7. 



Stat. 204. 4° 20' Lat. S., 122° 58' Long. E. Buton .Strait. Depth from 75 to 94 M. i specimen. 

 Stat. 305. Solor Strait. Depth 113 M. i specimen. 



The largest spechnen measures 25 mm. in length and possesses 37 segments. It is 

 specially characterized by the absence of a dorsa 1 fel t. The papillae covering the skin 

 are much longer than those in /'. clirvsocoina. There are 15 pairs of elytra, the anterior of which 

 are much smaller than the succeeding ones. Each scale (PI. XIV, hg. 7) has somewhat the 

 shape of a painters-palette, with a concavity in its posterior margin ; its surface shows parallel 

 striae, that arise from the posterior part of the median .side. The paleae are rather broad, 

 faintly cufved and provided with an obtuse apex; they show two rows of cusps, lying at 

 some distance from each other (PI. XI\ , fig. 5). These cusps are cup-shaped, alternating with 

 each other and much more conspicuous than in the paleae of P. chrysocoina. Dorsallj- from 

 them there occurs a short fascicle of capillary setae, but there is not formed a dorsal feit as in 

 P. indica and P. cJirysocöma. Ventrally there is an other group of slender capillary bristles; 

 these however are so covered with detrital particles, that it is not possible to decide wether 

 they are also provided with appendages, as observed by Potts in P. cJirysoconta, var. mmuta 

 (PI. XXI, fig. 36). The teeth of the bifurcated apex of the neuropodial bristles (PI. XIV, 

 fig. 6j are more obtuse and .shorter than in P . ckrysocotna, except in the 2'^ and t,'"^ segment, 

 where they resemble those of P. clirysocoiua, as figured by de St. Joseph (PI. III, fig. 63)*). 

 Like in the last-named species the neuropodium contains some small pinnate bristles, differing 

 however from these of P. chrysocoina by the absence of denticulations in their distal part. 

 The palps are beset with fine, spinous papillae, only visible by high power. 



2. Pontogcnia spiiwxa n. sp. PI. XI\', figs. 8 and g. 



Stat. 154. o°7'.2 Lat. N., 130° 25'. 5 Long. E. North off Waigeu Island. Depth 83 M. 2 spec. 



At the above-named Station two /-^öw/öf'^w/^-specimens, a large and a smaller one, were 

 dredged, which undoubtedly cannot be identified with the preceding- species. The largest speci- 

 men measures about 25 mm. in length and consists of 35 segments. The paleae (PI. XI\', 



1) Système des Annélides, p. 17. 



2) Ann. d. Sc. iiatur. t. 27 (1S32), p. 445, PI. X, ligs. 1 — 6. 



3) loc. cit., p. 13. 



4) I.es Anncl. 1'olych. des ('üles de l-'ranee: .\nn. Sc. nat.. Zoölogie, (S. IX), \'ol. III, 1906. 



18 



