16 AUSTRALASIAN ANTARCTIC EXPEDITION. 



Of the six species in the collection, Exogone anomalochceta is new; which with 

 Autolytus charcoti and PiornsylUs comosa is limited, so far as is known, to the region. 

 The atokous and both sexes in the epitokoiis phases of Autolytus were met with. 

 Sfhcprosyllis mcintoshi passes northwards beyond this region to Kerguelen and South 

 Georgia. Trypanosyllis gigantea occurs in the Magellan area, and Syllis clostero- 

 branchia passes beyond the Sub-antarctic region into the Southern Temperate zone 

 to West Africa and to New Zealand. 



Family APHRODITID.E. 



Hitherto twelve species have been noted as occurring in the Antarctic, of which 

 five are found in the present collection, and two additional species are to be recorded 

 as entering the region. Of these seven species Enipo rhomhigera, Hermadion. rouchi 

 and Harmothos tuherosa are confined to the region. H. spinosa, a very common worm 

 here, is also met with in the sub-antarctic area. Lretmonice producta is the most 

 widely distributed, passing northwards in the Atlantic to the West Coast of Ireland, 

 and up through the Pacific to the Japan coast. 



The two additions to the Antarctic fauna are Eunoa abyssorum, which is known 

 elsewhere only in deep water to the south east of Australia ; and Eulagisca corrientis 

 ranges up the east coast of South America as far as Buenos Ayres. 



Family PHYLLODOCID^. 



This family is represented in the region by sixteen species, three of which occur 

 in the " Aurora" gatherings. Of these Eulalia clmrcoti, Eteone regi, and Pelagobia 

 viguieri are confined to the Antarctic ; and two new species have to be added to the 

 list, namely, Pterocirrus Mclcant, and Pt. hunteri. The fifth is Phyllococe tnadeirensis , 

 whose specific name would scarcely lead us to expect it in these waters, yet it has 

 already been recorded from Cape Adare as well as from South Georgia and Juan Fer- 

 nandez. Fauvel has suggested, in explanation of the wide distribution of this and some 

 other species, that it descends in the equatorial regions to great depths, and passing 

 southwards reappears in the colder waters at less depths. 



Family ALCIOPID^. 



The only spec'es observed is Vanadis ant sctica, which has a world-wide range 

 through the oceans, as one would expect from its pelagic habit. 



Family TOMOPTERID.E. 



The only species which have been collected in Antarctic seas are the two species 

 included in the present report, namely, T. carpenteri, the history of which will be 

 found detailed in the systematic portion, and T. septentrionalis , which has recently 

 been recorded by Gravier from the Weddell Quadrant. 



