LOLIGIBvE : EOSSIA. 89 



* Cups of sessile Arms similar, equal. — Rossia. 



f Cups of sessile Arms in two alternating Itorvs beneath, and four or 

 more at the Tip. Fins contracted at their Junction with the Body. 



1. RoSSIA PALPEBROSA. 



Body oblong. Head nearly as large as the body, swollen at the 

 eyes. Fins placed anteriorly. Sessile arms short, very unequal; 

 order of length, 3, 4, 2, 1 ; cups in two rows at the base, and 

 in many rows at the end of the arms, with the rings on the 

 inner side of the sphere. Tentacular arms elongate, with very 

 many cups, which are smaller near the tip. 



Rossia palpebrosa Owen, Ross's Voyage, Nat. Hist. 93. t. b. f. 1 . 



and t. c. 1834 ; UOrb. Cephal. Acet. 247. n. 2. ; Rossie, t. 1. f. 



6—10., Moll. Viv. et Fos. i. 256. 

 Sepiola palpebrosa Gervais §• Van Beneden, Bull, de I Acad. Roy. 



de Bruxelles, v. n. 7. 1838. 



Hab. Atlantic Ocean, Prince Regent's Inlet, North Sea. 



2. Rossia maceosoma. 



Body smooth, short, rounded, broader than long. Fins thin, short, 

 semicircular, larger in front. Head short. Sessile arms subu- 

 late, rather compressed, elongated, unequal ; order of length, 

 3, 4, 1, 2 ; cups spherical, in two distinct rows at the base, and 

 four at the tip ; rings large, smooth, and entire. Tentacular 

 arms slender ; cup at the base of the club large, gradually di- 

 minishing in size, and augmenting in number, towards the end. 

 Shell lanceolate, two thirds the length of the body. 



Sepiola macrosoma Belle Chiaje, MS. ; Gervais et Van Beneden, 



Bull, de VAcad. de Brux. vi. n. 1. 1838. 

 Rossia macrosoma D'Orb. $• Feruss. Cephal. Acet. 245. Sepiola, 



t. 4. f. 13—24. 1839, Moll. Viv. et Fos. i. 257. t. 11. 



Hab. The Mediterranean, near Naples. 



|"j" Cups of sessile Arms in two Rows. Fins wide at the Junction 



with the Body. 



3. Rossia subulata. 



Body rather elongate, blunt behind. Fins rounded, largest at 

 their junction with the body. Sessile arms unequal ; relative 

 length, 4, 3, 2, 1 ; cups alternate in two rows, shortly pediceled. 



