262 



SoittJicni Cross. 



X 1 1. P O L Y C H A E T A. 



Bv AllTHUE WILLEY, D.Sc, i:Z.S. 



(Plates XLI.-XLVI.) 



The collection of rolycliaeta whicli has been handed over to me for 

 description is small, and in some cases the state of preservation of 

 the specimens leaves something to be desired ; but there is sufficient 

 to indicate the existence of a vigorous Annelid fauna in this region 

 of the farthest south. Fifteen species have been identified, of which 

 three seem to be new. Perhaps the most interesting feature of the 

 collection is the addition of the characteristic northern Maldanid, 

 Rliodine loveni, Mgn , to the Antarctic fauna. Besides this, two 

 other genera, not hitherto recorded in the south, are represented by 

 species slightly different from their northern congeners, namely, 

 Gathjana { = N)/chia) cristata, n. sp., and Malmgrcnia crassicirris, n. sp. 



The three sjjecies, Travisia kcrgudcnsis^ Mclnt., Sculoplos hcrrjuc- 

 hinsis, Mclnt.,^ and Thclcpus antarcticus, Kbg., are hardly distin- 

 guishable from the northern types of the respective genera. 



A singularity of the collection, which, however, bears no apparent 

 significance, is the absence of Lycoridae and Eunicidae. There are 

 some specimens of Sjyirorhis which I have not identified, as the soft 

 jiarts are not adequately preserved. 



I have introduced, in a form more or less modified from the 

 original sources, compressed diagnoses of most of the genera dealt 

 with, in the hope that this metliod, while requiring little extra space, 

 will help to avoid ambiguity. 



The determined species are the following : — 



PAGE 



204 

 26(3 

 268 

 261) 

 270 

 271 



1. Ilarmothoe S2nnosa, Kinberg 



2. Ilarmothoe crossetcnais (Mclntush) 



3. Gattyana cristaia, n. sp. . 



4. Malmyrenia crassicirris, n. sp. . 



5. Fhyllvdocc inadtirensiH, Lanj^erhans 



6. Vanadis antarciica (Mcintosh) 



' IJemarks uikju the siiecies of Travisia and Scolophs, ami other 

 " l)i] Hilar" species aiid jijeuera, are contained in a recent paper by Miss Editli M. 

 I'ratt, 'Some notes on the Biiwlar Theory of the Distribution of Marine 

 (Organisms.' Mem. Munchester Soc, Vol. XLV., Part IV., No. 14, 1901. 



