ELEPHAS MERIDIONALIS.—DENTITION. 201 
Another interesting specimen (No. 215 a of the Gunn Collection, Norwich Museum) 
was, according to a label attached to the jaw, “ dug out of the Elephant Bed between 
the Coal and Cart Gaps, Bacton.” It is covered with the debris of the Forest Bed, and 
represents a fragment of a right lower ramus containing the diasteme (injured), with the 
horizontal ramus entire up to the commencement of the ascending portion. 
The jaw holds the last five ridges of the second and the first five ridges of the 
ultimate tooth, presenting a united worn surface of 10 inches in length. The specimen 
is described by Falconer. 1 I append, however, several measurements. 
The remaining five ridges of the fifth molar, and the five ridges of the sixth, are 
contained in a space of 4’9 and 6’3 inches respectively. The maximum breadth of the 
crown of the fifth molar is 4 inches, while that of the ultimate is 3’5 inches; the 
discrepancy in the latter arises from the tooth being not so much advanced in wear as its 
predecessors, seeing that only four of the five ridges are detrited. The ridge formula is 
undeterminable, but the massive dimensions of the teeth and their characters are precisely 
as in the preceding. 
The diasteme is injured, but clearly shows that it was not so erect as in the Mammoth 
and E. antiquus. The mental foramina maintain the same irregularity as to position 
observed in the preceding, and in all Elephants’ mandibles; here one foramen is fully 
two inches from the margin. 
The length from the anterior border of the coronoid to the commencement of the 
diasteme is 10 inches. 
The height of the jaw to the alveolar border in front of the coronoid is 7'5 inches. 
Length of the diasteme 8 inches. 
Breadth of the ascending ramus at its commencement 7 inches. 
Height of the jaw at the commencement of the diasteme 9| inches. Height at the 
insertion of the coronoid inches. 
The characters of this ramus and its teeth are precisely like the foregoing jaw. 
The lower jaw described by Falconer 3 was discovered on a cliff near Mundesley, and 
is now in the Norwich Museum, to which it was presented by R. Barclay, Esq. It is 
not so well preserved as the preceding, but contains more of the jaw, seeing that portions 
of the two rami are preserved. The ultimate molars are present, but much mutilated ; 
nevertheless, wherever these and the jaw admit of comparison, they are quite in accord 
with the two fragments just described, and doubtless represent the mandible of the same 
species. 
A fourth fragment (No. 368 of the Gunn Collection) from the Fokest Bed repre¬ 
sents a right lower ramus without teeth, but the sockets of both are entire. The last is 
just commencing wear, with a deep pit in front, possibly for the anterior lung or else a 
fragment of the second molar. The coronoid is also nearly entire, with an almost perpen- 
1 ‘Pal. Mem.,’ vol. ii, p. 133. 
2 Op. cit., vol. ii, p. 140, 
