REPORT ON THE CEPHALOPODA. 171 



throughout its whole length as stated by Verrill, is distinctly thickened in the middle of 

 the club may indicate specific or varietal distinctness, but with our present knowledge 

 it would be very undesirable to give this formal expression. 



Family XL n y c h 1 1, Steenstrup. 



Subfamily Onychoteuthid^, Gray. 



Enoplotevthis, d'Orbigny. 



Enoploteuthis margaritifera, Ruppell (PI. XXIX. fig. 11). 



1844. Enoploteuthis margaritifera, Riippell., Giorn. Gab. Messina, t. xxvi. p. 2, fig. 1. 



1851. „ ,, Ver., Geph. m^dit., p. 82, pi. xxx. fig. a. 



1858. „ „ Glaus, Archiv f. Naturgesch., Jahrg. xxiv., Bd. i. p. 262, Taf. 



X. fig. 2. 

 1879. „ „ Tryon, Man. Conch., vol. i. p. 172. 



Habitat. — Station 195, off Amboina, October 3, 1874 ; lat. 4° 21' S., long. 129° 7' E. ; 

 1425 fathoms ; blue mud. One specimen. 



Station 271, Central Pacific, September 6, 1875; lat. 0° 33' S., long. 151° 34' W.; 

 2425 fathoms ; Globigerina ooze. One specimen. 



Mediterranean (Ruppell, Verany, Glaus). 



These two specimens were found at localities widely separate from each other, and 

 from the original habitat of the species, but still they exhibit no characters which would 

 justify their separation. The specimen from the Central Pacific does not possess the 

 round spots under the eye from which the specific name is derived, but since these are 

 invisible below one eye of the other individual, and indistinct below the other, I do not 

 think that much stress can be laid upon this. 



The number of hooks upon the tentacular arms appears to vary between three and 

 four ; and the body is more slender and the fin more rounded than in Verany's figure, 

 approximating to that of Glaus {loc. cit.). 



Tryon's account of this species {loc. cit.) contains a mistake which can only be the 

 result of his having translated Vdrany without taking the trouble to read the context. 

 He says " distinguished .... by the sessile arms having two rows of cups and one of 

 hooks." It is true this is an exact rendering of Vdrany (op. cit. p. 83), but if Mr. Tryon 

 had reflected upon this statement for a moment, he would have perceived that an animal 

 with such a character could not possibly belong to the genus Enoploteuthis, and if he had 

 taken the trouble to read Verany's description on the preceding page he would have seen 

 the sessile arms described thus : " Tons ces bras sont armes d'une double rangee de 

 tubercules charnus, enveloppant une griffe ;" while the tentacles are described as " terminies 



