AND ACCOUNT OF A NEW SPECIES FROM THE INDIAN SEAS. 25 
before entering the first stomach or gizzard. The gizzard has a rounded form, with 
strong muscular coats; it is placed near the bottom of the cavity of the mantle, in 
close connexion with the upper surface of the ovarium, and as usual to the right of the 
spiral stomach. The second or spiral stomach is here larger than the first, of an 
ovoidal form, extending horizontally to the left side, marked internally with spiral 
folds, but having only a minute portion of its left extremity twisted in a spiral manner, 
like the spire of a Halotis'. It opens by a wide orifice from the first stomach, and 
receives the termination of the hepatic ducts from the four divisions of the liver. The 
pancreatic glands surrounding the hepatic ducts have here a ramified form, with long 
wide branching ducts, each extreme ramification terminating in a separate small glan- 
dular vesicle. The termination of the united hepatic and pancreatic ducts in this 
large spiral or second stomach, is protected, as usual, by two prominent lips, between 
which it enters obliquely, and these valvular lips extend tapering to beyond the pyloric 
extremity of the stomach. The subdivided form of the stomach is common to the 
Cephalopods, with many other Molluscous animals, and the stomach is the part into 
which the hepatic ducts open in all these classes. But in the Cephalopods these ducts 
open also partially into the duodenum, as in the Vertebrata, by the valvular lips at the 
termination of these ducts extending from the spiral stomach into that intestine to near 
the anus. The intestine passes up in front of the space between the lobes of the liver, 
and over the ventral surface of the large ink bag. The liver is divided into four prin- 
cipal lobes, as in Nautilus, which are quite separate from each other; and the ink bag, 
which is large and situate close to the anus, is placed above and between the upper 
‘two lobes. The lobules which compose these four distinct portions of the liver are 
not, however, detached from each other as in the Testaceous Cephalopod. The high 
Situation, the great size, and the shortness of the duct, of the ink gland, agree with 
those of Sepiola, another small and delicate genus of Cephalopoda. The aleform mem- 
branous appendix attached to each side of the anus is about two lines long, and the 
anus opens by a transverse slit between two prominent semicircular lips, situate at a 
great distance below the syphon. The branchial arteries, or subdivisions of the vene 
cave, pass to the auricles between the two lobes of the liver on each side, and just 
before entering these lateral hearts, they are surrounded by a spherical cluster of 
vesicles®, like those which open into these vessels in Nautilus. The branchial auricles, 
however, are not absent, as in Nautilus; they are of great size, nearly spherical, with 
firm parietes, and are entirely destitute of those singular appendices usually found at- 
tached to these muscular sacs in the Naked Cephalopods. The branchie are single on 
each side, and the smallest in proportion I have yet met with, each measuring only 
two lines in length. They have the usual pectinated structure, with the artery running 
along the connecting ligament on the dorsal surface, and the vein, which is here re- 
1 Fig. 7.- 2 Fig. 8. 
VOL. I. E 
