KXi'LA N ATION OF FLATES 43. 44. 
03 
Plate 43. V. I. pp. 358, 359. 
W Nautilus sypho, in the collection of 
• I. Broderip, Esq. from the Miocene division of 
Bie Tertiary formations at Dax, near Bourdeaux. 
Ihe accidental fractures of this fossil afford an in- 
structive display of the disposition of the transverse 
Plates and Siphuncle. (Original.) 
Pig 2. Another fractured shell of the same species from 
Dax, in the collection of Mrs. Buckland, shewing 
at a% n,3, the disposition of the lateral lobes* 
See V. I. p. 359, Note. (Original.) 
ig. 3. Cast of the interior of Nautilus Ziczac, in the 
collection of Mr. James Sovverby, shewing the dis- 
position of the lateral lobes. (See V. I? pp. 359 
360. (Original.) ’ 
Fig. 4. Cast of a single chamber of Nautilus Ziczac, in 
the collection of Mr. J. Sowerby, shewing the dis- 
position of the ventral and dorsal Lobes and Si- 
phuncle. See V. 1. p. 359, Note. (Original.) 
Plate 44. V. I. p. 361, et seq. 
*g- 1. Molluscous animal inclosing the Spirula Peronii. 
See V. I. p. 362.* (Blainville.) 
2. Section of a Spirula (Nat. size), shewing its trans- 
verse Plates and siphuncular sheath. (Original.) 
recently discovered between the Canaries and 
cons imperfect bodies of a small species of inollus- 
Animal, each inclosing a Spirula. 
Hjjj, these the position of the shell is not at the posterior extre- 
back specimen found by Peron, but in the 
staire the axis of the body, like the shell of the Sepio- 
"ith '1?*^ 'Aternal shell of (he common Sepia. This position agrees 
Can . , the animal figured bj' Blainville, if we suppose the 
A portion of the latter to have been lost, 
as ■ body are two expansions that act like Fins, 
tA the Sepiole. Beneath the neck is the aperture of the Funnel. 
