Zoology. 439 
As however several eminent a have expressed doubts as to 
some of the opinions advance by the author in his former memoir, fig- 
ures and descriptions are given in the — resent notice, of beautiful and 
uctive specimens lately discovered in Wiltshire, and which he con- 
es establish his previous conclusions. Dr. Mantell states as the re- 
of his praca of several hundred examples, that our actual 
edge of the organization of the a of the Lelearnite is at 
present limited to the following parts, v 
1.) An external Capsule or i oe m which invested the osselet 
sepiostaire, and extending upwards, constituted the external sheath 
the receptacle. 
(2.) The Osselet, characterized by its fibrous radiated structure, ter- 
nating distally in a solid rostrum or guard, having an alveolus, or 
cal hollow, to receive the apical portion of the chambered phrag- 
one ; and expanding proximally, into a thin cup, which became 
nfluent with the capsule, and formed the receptacle for the viscera. 
(3.) The Phragmocone, or chambered, siphunculated, internal shell ; 
ipex of which occupied the alveolus of the guard, and the upper 
‘constituted a ce ea chamber, from the basilar margin of which 
seded two long, flat, testaceous oeaises: These structures com- 
all that are at present known of the animal to which the fossil’ 
paly called ** The Belemnite,” belonge 
the Belemnoteuthis (the fossil caehalaned which Prof. Owen re- 
as identical with the Be lemnite) many examples of the body with 
258 
of the Belemnite, has a fibro-radiated structure, investing a coni- 
hambered shell; this organ, for reasons fully detailed in the m 
, the author affirms could never have been contained within the b 
olus of a Belemnite ; the soft parts of the animal of the Belemnite are 
therefore wholly unknown. 
Many beautiful specimens of Belemnites and Belemnoteuthis were 
xhibited by pi Mantell to the Society, in peeof of the statements con- 
tained in the m 
2. On the Scan: ; an undescribed gigantic terrestrial -— 
whose remains are oo et those of the Iguanodon and o 
e humerus above mentioned was foun 
ed Mr. Peter "Faller of Lewes, at about twenty feet below the surface ; 
Presents the usual mineralized condition of the fossil bones from the 
