28 MALACOZOA. CEPHALOPODA. SEPIINA. SEPIOLA. 



lindrical filaments or tentacula a little flattened and enlarged at 

 the end, where they have membranous margins, come off 

 between the medial pair and the next, internally of the con- 

 necting membranes. They are smooth, unless at the enlarged 

 terminal portion, where they are furnished with a number of 

 irregularly disposed very small suckers. The head and outer 

 surface of the tentacula are dotted with reddish-brown, like 

 the body, but paler ; the long tentacula are white, slightly 

 dotted at the end only. 



Inch. Lines. 



Length from the end of the abdominal sac 



to that of long tentacula 2 2 



, , to end of upper pair of arms 1 7 



,, „ anterior margin of mantle 7 



,, ,, mouth 11 



,, ,, base of upper pair of arms 10| 



Breadth of body, excluding fins 8 



,, ,, head, across the eyes 6 



Greatest breadth of fin 3| 



Length of first pair of arms 8£ 



,, „ second do. 9 



„ „ third do. 8J 



„ ,, fourth or anterior 8 



,, ,, pedunculated arms 1 4 



Diameter of transparent part of eye 1£ 



The above description is from an individual found by one of 

 my pupils, Mr. Blake, in February, 1 842, and by him presented 

 to me. It occurred in the Bay of Aberdeen. 



Sepia Sepiola, Linn. Syst. Nat. i. 1096. — Sepia Sepiola, Penir 

 Brit. Zool. iv. 54. PI. 29. f. 46. — Sepiola Rondeletii, Risso, Eur 

 Merid. iv. 7. — Loligo Sepiola, Delle Chiaje, Aniin. di Nap. iy. 59- 

 PI. 58. f. 30.— Loligo Sepiola, Flem. Brit. Anim. 253. 



Genus 2. Sepia. Cuttle. 



Head very large, distinct, with eight short, triangular, 

 tapering, fleshy arms, furnished with two rows of aceta- 

 bula, having entire horny margins, and two more elon- 

 gated, pedunculate, claviform, acetabulate arms. Body 

 oval, obtuse, depressed, margined on each side with a 

 narrow membrane, or natatory appendage. An internal, 

 dorsal, oval or elliptical, thick, lamellar, cellular, calca* 



