448 A. S. Woodward—British Jurassic Fishes. 
British Museum, figured by Leith Adams;,! the length of this region 
equals the width. The skull agrees with those of HE. primigenius, 
and differs from those of H. indicus in the narrow proportions 
of the posterior part of the cranium. The teeth are of the coarse- 
plated HE. columbi type. The individual is not very large, though 
old. The diameter of the tusks at the alveolus is 110mm. Ina 
fragment of a huge specimen from south-western Texas, the diameter 
of the tusk at the base is 210 mm. 
As a result it is not clear that the two American forms can be 
distinguished as yet from the Hlephas primigenius, or from each 
_ other, except as probable sub-species, H. p. columbi, and E. p. ameri- 
canus. But more perfect material than we now possess may yet 
enable us to distinguish one or both of these more satisfactorily. 
No American species of the family exceeded this one in general 
dimensions, especially the form E. p. columbi.” 
EXPLANATION OF PLATE XIII, Forms or PrososcipEan Monars. 
Fic. 1.—Hlephas (Emmenodon) Cliftii, Falconer & Cautley. ‘The first (?) left 
upper true molar in an early stage of wear; from the Siwaliks of 
Burma (4 nat. size). The lower border of the figure is the inner border 
of the specimen. (The original preserved in the Museum of the 
Geological Society of London.) 
Fic. 2.—Elephas antiquus, Falconer. The first left upper true molar in a half 
worn condition; from the Pleistocene of Grays, Essex (# nat. size). 
The lower border of the figure is the inner border of the specimen. 
(Original preserved in the British Museum, Natural History.) 
Fie. 3.—Wastodon latidens, Clift. The third left upper true molar of a small 
individual in a partially-worn condition: from the Pliocene of Borneo 
(2 nat. size). The lower border of the figure is the inner border of the 
specimen. 
EXPLANATION oF FicurES upon PacE 447. 
Forms of Skulls and Skeleton of Proboscidea. 
Fie. 5.—Elephas ganesa, Falconer & Cautley. Profile of the skull; from the 
Siwalik Hills (ss nat. size). [After Gaudry.] The original preserved 
in the British Museum (Natural History). 
Fie. 6.—WMastodon (Tetrabelodon) angustidens, Cuvier. [After Gaudry.] Middle 
Miocene, Sansan (Gers), France. The entire skeleton restored and greatly 
reduced. 
Fic. 7.—Elephas planifrons, Fale. & Cautl. Profile of skull restored ; from the 
Pliocene of the Siwalik Hills (45 nat. size). [After Gandry. ] 
Fie. 8.—Wastodon sivalensis, Cautley. Profile of skull restored ; from the Pliocene 
of the Siwalik Hills (5 nat. size). [After Gaudry. ] 
Tl].—Pretiminary Nores on some NEW AND LITTLE-KNOWN BriTIsH 
JuRASSIC FisHEs.? 
By A. Smirx Woopwarp, F.G.S., F.Z.S., 
Of the British Museum (Natural History). 
INCE the works of Agassiz and Egerton, few contributions have 
been made to the knowledge of British Jurassic ‘‘ Ganoid” and 
“‘Teleostean” Fishes, and a considerable amount of undescribed 
material has thus accumulated in various collections. Much more 
progress has been made upon the Continent, where the Lithographic 
1 Mon. Pal. Soc. 1879, Brit. Foss. Elephants, p. 69, pl. vi. and vii. 
2 Read betore Section C (Geology), British Association, Newcastle, Sept. 1889. 
