SUPPLEMENT TO SIWALIK AND NARBADA PROBOSUIDIA. 3—65 
size seem to be the first and second true molars. 1 Tbe teeth agree in general charac- 
ters precisely with those figured in the first volume. 
The dimensions are as follows : — 
Length of 1st true molar ...... 4' 3 
Width of „ „ . ■, . . •. 2 - 4 
Length of 2nd 50 
Width of „ „ . . . . . . 2‘6 
The first true molar agrees almost exactly in size with the specimen of the 
homologous tooth described on page 219 of the first volume. 
Punjab specimen.— Another very similar specimen is in the Lahore Museum, 
from the Siwaliks of the Punjab. 
British Museum specimen. — Mr. William Davies, of the Palaeontological Depart- 
ment of the British Museum, recently showed me a small fragment of the distal 
extremity of the right ramus of a mandible of a young mastodon, lately discovered 
among some Siwalik fossils, which is worthy of a short notice here. The fragment 
(of which the Indian Museum has acquired a cast) is some five inches in length, 
and two in depth ; it is elongated and laterally compressed. It shows the alveoli of 
three teeth of the milk-molar series. The first of these alveoli is of such small 
dimensions (f'ths of an inch in diameter).* that I am strongly inclined to think that 
it contained the pre-antepenultimate milk-molar, a tooth only very occasionally 
developed in the Proboscidia, 
The distal extremity of the specimen has been ground and polished, and 
exhibits the transverse section of a small and laterally compressed milk-tusk. 
Erom the elongated and laterally compressed form of this jaw, and from the 
presence of the tusk, I agree with Mr. Davies in thinking that it should probably 
be referred to M. pandionis. It would be a matter of much interest to discover 
whether four milk-molars were normally developed in this species, since it is. among 
the simple-toothed trilophodons that we should expect to find the whole four present. 
OCCURRENCE OF SIWALIK AND NARBADA PROBOSCIDIA IN JAPAN. 
Introductory. — Since the publication of the concluding fasciculus of the 
first volume, a memoir by Dr. E. Naumann, on the occurrence of fossil elephants in 
Japan, has appeared in the German “ Palaontograpliica.” 2 In that memoir there 
are described and figured remains of two species of Indian stegodons, and of 
Bleplias namadicus, all of which were found in Japan. 
Stegodon clifti . — Of the stegodons* the first species described is Stegodon 
clifti , of which a last lower molar is figured (pi. I) . This specimen was obtained 
on the coast of a small island called Shozushima, situated in the inland sea, lying 
1 In the above-quoted note in the ‘ Records ’ I classed these teeth as 2nd and 3rd true molars, having in a hasty 
examination mistaken the talon of the last tooth for a true ridge : hence I thought the specimens abnormally small. 
The note having been printed in my absence contains the absurd sentence “ the penultimate and last two molars it 
.should have been “ the penultimate and last true molars.” 
2 “ fiber japanische Elephanten der Vorzeit,” “ Palaontograpliica,” 1881. 
