REPORT ON THE CEPHALOPODA. 



153 



horny rings of the largest suckers {fig. 8) are provided with about twenty larger teeth, 

 with which smaller ones alternate somewhat regularly ; the lateral bear about ten distant 

 acute teeth on the outer margin, while the proximal and distal groups are similarly 

 armed on the distal margin. 



Tlie Surface is smooth. 



The Colour is a dull yellow with purplish chromatophores. 



The Gladius (fig. 9) is of the usual form, the narrow anterior portion being less than 

 one-fourth of the total length. 



Dimensions. 



Length, total. 













260 mm. 



End of body to mantle-margin, 













115 





End of body to eye, 













126 





Breadth of body, . 













31 





Breadth of head, . 













26 





Eye to edge of umbrella, . 













15 





Length of fin, 













67 





Breadth of fin. 













63 





Breadth of each lobe. 













21 





Length of heotocotylus, . 













35 





Diameter of largest sucker on sessile arm, 











2 





Diameter of largest sucker on tentacle, 











2 





Eight. 



Left. 



Length of first arm, ....... 41 mm. 



45 mm 



Length of second arm. 











52 „ 



51 „ 



Length of third arm, 











.57 „ 



60 „ 



Length of fourth arm. 











52 „ 



51 „ 



Length of tentacle. 





^n__ 



.. 7".7- 





105 „ 



.7. • T __ 1, , 



115 „ 



Loligo ediilis seems to find its nearest ally in Loligo pealei, Les., whose habitat is 

 very far removed from its own, but it differs in the form and number of the teeth on the 

 suckers. It is quite clearly distinguished from all other forms from the same region. 



Loligo hrasiliensis, Blainville. 



1823. Loligo hrasiliensis, Blv., Journ. de Phys., t. xcvi. p. 132. 



1833. Loligo poeyanus, F^r., PL de Calmars, xix. figs. 1-3. 



1835. Loligo hrasiliensis, d'Orb., Amer. m^rid., p. 63. 



1838. „ „ d'Orb., MolL des AntiUes, t. i. p. 38. 



1839. „ „ d'Orb. et E^r., Ceph. acet, p. 313; Calmars, pi. xii, pi. xix. 



figs. 1-3, pi. XX. figs. 1-5. 

 1853. „ „ d'Orb., Cuba Moll., p. 38. 



Habitat.— Station 321, ofi" Monte Video, February 25, 1876 ; lat. 35° 2' S., long. 

 55° 15' W.; depth, 13 fathoms. Six specimens, 2 ? , 4 immature. 

 Coasts of Brazil, the Antilles, Cuba (d'Orbigny). 



(ZOOL. CHALL. EXP. PART XLIV. 1886,) ^^ 20 



