from the South-west Coast of Ireland. iUO 



Dimensions. ^ . 



mm. 



Total length o82 



End of body to mautle-margin 103 



M » eye Ill 



Breadth of body 70 



„ head 62 



Eye to edge of umbrella 102 



Diameter of largest sucker 4 



Length of arms * : — 



1st on right 471 mm. 1st on left 4G0 



2nd „ 440 „ 2nd „ mutilated. 



3rd „ 264 „ (hect.). 3rd „ ditto. 

 4th „ 370 „ 4th „ 327 



Approximate number of suckers, 1st arm on right, 2o4. 



Dimensions. ? . 



mm. 



Total length 457 



End of body to mantle-margin 62 



» » eye 78 



Breadth of body 50 



Eye to edge of umbrella 105 



Diameter of largest sucker, nearly 4 



Length of arms : — 



1st on right 377 mm. 1st on left 379 



2nd „ 370 „ 2nd „ 371 



3rd „ 290 „ 3rd „ 312 



4th „ 238 „ 4th „ 290 



Approximate number of suckers, 1st arm on right, 218. 



Polypus Normani, sp. n. 



Head rather broader than body. Eyes large and prominent, 

 circumference of aperture in the type 11 mm. A number of 

 deep wrinkles extend across the surface between eyes, 

 originating from dorsal side of eye-aperture. Surface other- 

 wise smooth in all parts. Arms 4-sided and keeled, some- 

 what slender, largest at the base, tapering gradually to very 

 fine points, and arranged in the order 1, 2, 3, 4. Arms about 

 four times the length of body, the two dorsal pairs more bulky 

 than the rest. Suckers sessile, large, and with the arrange- 

 ment in the centre of arm noticed by M. Joubin in 0. levi'sf. 

 Each sucker with circular aperture and numerous radial 



* The arms are measured from the mouth. 



t '•' Entre les ventouses, sur la face orale des bras, on voit une crete 

 peu saillante mais bien nette qui passe d'une ventouse de droite a cells 

 immediatement superieure k gauche, puis de la revient a droito et ainsi 

 de suite. L'ensemble de cette disposition a I'aspect d'un lacet reliant 

 alternativement deux rangees de boutons." Campagnes Scientifiques du 

 Prince de Monaco. Fascicule xvii. (1900) : C6phalopodes provenaut des 

 campagnes de la Princesse Alice (1891-1897), par Louis .luubin. 



25'^ 



