118 ^Ir. O. Tliomas on new 



Length of tlie onlv specimen (a mature male) 15 mm. 



Locaii/i/. S.U. 3G1, lat. 51° 25' N., lonj?. 11° 29' W., to 

 lat. 51° 25' N., long. 11° 3G' W., 620-G'J5 fath., August 

 1906, fine lut on traul. 



Two species iicav to the British and Irish list may also 

 liere be noticed, Hanxenomysis Fi/Ila (Hansen) and Eri/t/irops 

 7nicrojJiffio/nw, G. O. Sars, liaviug been taken in 400-800 

 fathoms off the coast of Kerry, in August 190G. 



List of Authorities quoted. 



Holt & TATTKiiSAr,L, (1905).— " Schizopoda from the North-east 



Atlantic Slope.' Fi>heriet!, Ireland. So. Invest, iv. 1902-3. 

 IIoLT.V: Tattkbsall, (Kl06). — " rlelillliIlarv^■oticeof the Schizopoda 



collected by II. M.S. ' Discovery ' in the Antarctic Region." Ann. 



& Map. Nat. IIi.«t. ser. 7, vol. xvii. 

 Illio, (]9(K>). — "Bericht u. die neiien Schizopoden-Gattunp; und 



ArtenderPentschenTiefsee Expedition 1898-1899." Zoologischen 



Anzeiger, Bd. xxx. No. 7. 

 Sabs, (^1870-9). — " Carein. Bidrngt. Norg. Fauna." Momig. o. Mysider. 



^I. — On furtlier iieic Mnninials obfaineil Inj the Ruiceyizori 

 Expedition. By Oldfield Thomas. 



Sylviscrfx Grant/, ."p. n. 



A n edium-sized specie.«, with tail about iqual to the head 

 and body. 



Size much less than in the other Rnwcnzovi species, 

 S. lutwris, about the .came as in the Nyas;in S. soy-eUu^. 

 J ur very long ; hairs of back over 7 mm. in length. General 

 colour djirk .^laty grey above, little paler below, but as the 

 only specimen is in spirit, the tones cannot be described with 

 accuracy. Hands and feet pale brown, the digits ratiier 

 lighter. Tail almost as long as the head and body, finely 

 haired, brown above, ratiier paler below. 



Skull short, broad, and rounded, not unlike that of >S'. sorella, 

 but with a broader flatter brain-case and an even shorter 

 muzzle. Teeth practically as in S. soreRa, the second and 

 third upper unicuspids rather more nearly subequal. 



Dimensions of the type (a .«pirit-specimen) : — 



Head and body 55 mm.; tail 54; liind foot 13*1. 



Skull : condylo-Lasal length 17 ; breadth across palate 5'3; 



* P. Z. S. 1897, p. 930. 



