CEPHALOPODA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 97 



owing to its colour being neither so dark above nor so pale below as is indicated 

 in D'ORBIGNY'S description and figure. 



FIG. 5. Radula of Polypus te.huelchus, S [H 1696]. x 52. 



Mosckitea charcoti (Joubin), 1905. 



Locality Station 325, Scotia Bay, South Orkneys. 7th August 1903. 10 

 fathoms. One specimen, $ [H 929J. Same locality. 30th May 1903. 9-10 

 fathoms. Temperature about 28. One specimen, ? [H 936]. 



FIG. 6. Hectocotylised arms of Utoschites charcoti. a, oral aspect of the 

 extremity. Natural size. 



Previous Records. Booth-Wandel Island. Lat. 65 05' S. Among algae on the 

 beach. 3rd September 1904. 



The hectocotylised arm (fig. 6) is short and stout ; the ridge bounding the 

 seminal groove is very well marked, and is continuous with the margin of the 

 umbrella. The groove itself is broad and deep, the extremity measures 7x5 mm. ; 

 the longitudinal groove is triangular in form, and has four transverse ridges in its 

 bottom. 



(ROY. soc. EDIN. TRANS., VOL. XLVIII., 279.) 



