ON A NEW SPECIES OF SCLEROCHK1LUS. 309 



Sclerocheilus antarcticus, n. sp. 



(Synonym : Euinenia oculafa Gravier nee Ehlers.) 

 Kumenia oculata. Gravier, Deusieme Expi'd. Antard. Frani;.: Anw'Mes I'nlychHes, 1911, p. 112. 



A Sclerocheilus bearing stronger, bent dia't;r in tin 1 first, second, and third noto- 

 podia, lint these arc not so proportionately stout as in >S. num/tux. Stouter, brut 

 eluvt.-i 1 an- not present in the succeeding notopodia or in the neuropodia, the arma- 

 ture of which consists only of slender capillarv rhieta 1 and furcate ch;et;e. Neuro- 

 podial cirri are present on all the segments (except one or t\vo of the last formed) 

 from about the I Nth or -Jlst. 



Only two specimens are known. One. the type-specimen, 11) mm. long, dredged 

 in 10 fathoms in Sent ia Hay, South Orkneys (see p. "J93) ; the other, the para-type, 

 11 mm. long. collected at low water on the east : roast of Petermaiin Island, off Graham 

 Land (see p. 3(i:i). 



Type-specimen in Scottish Oceanographical Laboratory, Edinburgh. 



1'ara-tvpe in Museum d'Histoire Naturelle, Paris. 



Sclerocheilus rn'c* Saint-Joseph is a uuntm /i>nl>/i/> (see p. 303), and N. pacificus 

 Moore is apparently not a Solerocheilus, but should be referred to the genus Oncoscolea 

 (see p. 304). 



ni (Jam* -Jl, I'Jlo). While this paper has been lying in type Mr 

 SOTTHKKX has recorded the specimens of Srt<>r<>r/i<'il>ix mhmtux from Blacksod Bay 

 and (.'lew Bav, mentioned on the opposite page, in /'roc. f\. Ii-ixli Acrid., vol. xxxi. 

 ('/ni-i' Ixlniul Surri'i/. pt. xlvii (I'.)I4). p. 137. Prof. M'lxTosn has given a general 

 account of S. minutus in his Monograph of British Annelids, vol. iii, pt. i (1915), 

 p. 4:2. Dr E. -I. ALI.KX, in a list of the Polvelueta of Plymouth (Journ. Mm-inc 

 Iliu/. J.N-.s-(*t\, N.S., vol. x (11)15). p. 640), states that N. itiiiiutiix was formerly 

 frequently taken near Plymouth, but it has not been found during the last two 

 or three years in spite of .special search. 



\Jnin 1 -~2. 11)15. X(it<> !>>/ (ii'iKT'tl Si't-ri'turi/. The proofs of this paper and of 

 the accompanying plate were passed bv the author on June 1, l'J14; but owing to 

 the war and the unavoidable delay in obtaining delivery of the copies of the plate 

 from abroad, the paper could not lie scut to press until to-day.] 



(ROY. sou. EDIN. TRANS., VOL. L, 421.) 



