347 
-4. E. VerriU — North American CeptujUopods. 
Family SEPIOLIDAH Keff. 
Kefferstein. in Bronn. Tliier-Reich. iii. p. 1443. 1866. 
Gill. Arrangement of Families of Mollusca. p. 2. 1ST U 
Tryon, Man. Conch., i. pp. 102. 155, 1879. 
Body short, thick, bluntly rounded posteriorly. Fins large, sepa- 
rate, laterally attached, on the middle of the side?- of the body. 
Siphon with small internal valve; no dorsal bridles. A large bra- 
chial cavity, extending back beneath the eye, into which the ten- 
tacular arms can be more or less retracted. Pen little developed, 
lanceolate, not reaching the end of the mantle. Integument beneath 
the eye thickened so as to be used as a false eye-lid, in addition to 
the transparent skin over the eye. A lachrymal pore in front of each 
eve ; a brachial pore between the third and fourth pairs of arms. 
Ecrgs large, few, not enclosed in capsules. Accessory nidamental 
glands well developed. Branchial chamber divided into two cavities 
by a median partition or septum, which extends forward to the 
base of the siphon. This family is, in many respects, closely related 
to loliginidcR , but differs widely from the latter in its visceral anat- 
omy. 
SEPIOLA Leach. 
Sepiola Leach. Zool. Miscel.. iii p. 137. 1817 (t. Gray). 
D’Orbigny. Ceph. Acetab.. p. 224. 
Gray, Fatal. Moll. Brit. Mus.. i, p. 91, 1849. 
Body short, stout, rounded posteriorly. Fins large, narrowed at 
base. Mantle united directly to the head by a large, dorsal commis- 
sure; lateral connective cartilages of the mantle elongated, fitting 
into elongated margined pits on the base of the siphon. Siphon with 
an internal valve. A brachial aquiferous pore between the bases of 
the third and fourth pairs of arms, on each side. A lachrymal pore in 
front of each eye. Buccal membrane with seven lobes, without suck- 
ers. Tentacular arms more or less retractile into large cavities below 
the eyes ; club with numerous, very small, nearly equal, long-pedi- 
celled suckers, in eight or more rows ; rims not toothed. The males 
differ from the females in having some of the middle suckers of the 
lateral arms much enlarged. 
Sepiola leucoptera VerrilL (Butterfly Squid.) 
VerrilL Amer. Journ. Sci . voL xvi, p. 378. 1878. 
Tryon. Man. Conch., i. p. 158. 1879. (Description copied from preceding). 
VerrilL \mer. Journ Sci . xis. p. 291. pi. 15. figs 4 and 5, ApriL 1880. 
Plate XXXI. kigcres 4. 5. Plate LIV, figure 4. 
Species rather small ; the largest specimens observed are probably 
1 bans. Conk. Acad., Yol. V. 42 .Tine, 1881. 
