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 10J 



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, Pemr 

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

 Merid. iv. 7. Loligo Sepiola, Delle Chiaje, Anim. di Nap. iv. 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* 



