100 E Transactions.—Z oology. 
Puate VII.—Alimentary and Nervous Systems. 
Fig. 1. Sketch of Alimentary and main portions of Nervous System. 
: a, inner lip. 
- b, buccal mass. 
c, esophagus. 
d, nerve collar. 
e, optic ganglion. 
f, liver. 
9, ganglion stellatum 
h, intestine, sini in anus with lateral anal valves. 
i, ink-sac. 
k, pancreatic glands, along the course of the hepatic duct. 
l, splanchnic ganglion. 
m, stomach. 
n, cecum. 
Fig. 2. Mandibles. 
* anterior or upper. 
b, posterior or lower. 
Fig. 3. Scd mass cut open and mandibles removed. The point of the curved needle 
is inserted in the cesophagus. 
a, taste organ. 
b, odontophore, turned aside. i 
e, socket of odontophore. > ds 
d,d, faucial follicles. 
Fig. 4. Portion of pancreatic gland, drawn from the 1 in. objective with the camera 
lucida 
^ Pate VIII. 
Fig. 1. Gladius. 
2. Cephalic cartilage. 
3,4. Neck cartilage, posterior and anterior aspects; showing attached muscular 
bands. 
5-9. Sections through Ist, 2nd, 3rd, and 4th right arms and clavate portion of 
tentacle. The dark line shows the extent of the chromatophoric surface. 
10. A single sucker. 
11. Section of the same. 
12. An otolith, natural E. on dark ground. 
13, 14. View of both surfaces of an otolith, much enlarged, 
15. The funnel cut open. 
i, the infundibular valve. 
