On a nerc Raij from the Mediterranean. 529 



ProtoA'erns stangerl torrenduni, subsp. ii. 



A yellowish orcy-hejukHl forni willi a signattis-\\k() lateral 

 line. 



General ii]>|)cr colour biifTy yellowish, grizzled with black, 

 not rufous as in ehorivorus and centricola, but nearly as 

 yellow as in stangeri. Top of head strongly-contrasted 

 hoary-grey. Throat greyish white with brown bases to tlie 

 liairs. Belly-hairs ochraceous buffy, the line edging the 

 belly black as in si</nafus, a few hairs only with white rings. 

 A butly patch behind each ear. Forearms ochraceous butfy, 

 and the hands also more ochraceous than in the neighbouring 

 t'ornis. Inguinal region and inner side of legs also ochra- 

 ceous huffy, which becomes more strongly reddish on the 

 ankles and distal part of the feet. 



Hind foot of type 60 mm.; condylo-incisive length of 

 skull 58. 



Hah. Eastern province of the Congo, to the east of the 

 Stanley Falls. 



Ti/pp. Adult female. B.M. no. 1. 5. 4. 3. Original 

 number 364. Presented by the CJongo Museum, Tervueren. 

 One specimen. 



The combination of yellowish ground-colour, contrasted 

 grey head, huffy postauricular patches, and black signaius- 

 like lateral line will readily distinguish this well-marked 

 subspecies. 



The Museum now possesses four further examples of 

 P. s. sic/natu,<!j collected by the IIqv. H. M. Whiteside at 

 Ikau and Bompona. 



LVI. — A neiu Ray from the Mediterranean. 

 By C. Tate Regan, M.A., F.R.S. 



(Published by permission of the Trustees of the British Museum.) 



Raia polystiyma, sp. n. 



Eaia hatis (non L.), Bomip. Faun. Ital. Pesci, Fasc. xxix. p. 1.51^ 

 pi. Ixvii. tig-. 1. 



Disc broader than long, its width ;3 to § of the total length; 

 anterior margins slightly uuduhitcd ; outer angles obtuse; 



