1635 
generally the case in such faunas. The soft weathered rock is very 
suitable for preparing the organisms, the harder unweathered cores 
of the large blocks being unsuitable for this purpose. 
Throngh the kind assistance of the military commander at Kalooé, 
Captain van GHEEL GILDEMEESTER, I was able to collect some hund- 
red fossils. An expedition undertaken especially for this purpose 
will yield much more; I had only a single day at my disposal. 
The just-named officer will be pleased to procure a guide for geolo- 
gists who should wish to visit the locality. 
Trilobite faunas outside the Dutch East Indies. For comparisons 
we must look outside the East Indies. The earboniferous fauna of 
the limestone of the Padang Uplands, discovered by Verperk *) and 
described by F. von Roemer *), is of a more recent date and has scarcely 
any species in common with the fanna found by me, as far as I can 
judge at present. For the rest only younger faunas of permian *) or 
more recent date became known from the Kast Indies and the fauna 
found by me is problably the oldest as yet known in these islands. 
From British India however and from Australia we know also 
devonian as well as silurian faunas with trilobites. In N. E. Burmah, 
in the northern Shan States, Noerring and La Tovenr *) found 
silurian and devonian strata east of Mandalay; this fauna has been 
fully described by Coweer Reep *). It originates from a coral reef, 
the Padankpin reef, situated amid a large massive of “lower plateau 
limestone’, for the greater part dolomitised and for the rest contain- 
ing no fossils whatever, except a small fauna of uncertain stratigraphical 
position, in the Wetwin Shales. The Padankpin fauna is mid-devonian. 
Calceola Sandalina is very numerous in it. These limestones, as 
Dr. Norriine lately wrote to me, extend from 26° to 14° Nortb. Lat. 
1) R. D. M. VergeekK, Topografische en Geologische Beschrijving van een gedeelte 
van Sumatra's Oostkust; Batavia, Landsdrukkerij, 1883. See p. 247. 
2) FE. von Roemer, Ueber eine Kohlenkalkfauna der Westküste von Sumatra, 
Palacontographica, Ba. XXVII, 1880; reprint in Jb. van het Mijnwezen in N.O. 
Indië 1881, deel I, p. 289—305. 
3) The trilobites described by Martin from the Lorentz-river in New Guinea 
have only the pygidia preserved. They probally belong to the genera Proetus and 
Phillipsia but are unfit for an excit determination of the age of the rocks in which 
they occur. 
K. MARTIN, Palaeozoische, mesozoische und kainozoische Sedimente aus dem 
stidwestlichen Neu Guinea. Samml. des Geol. Reichsmuseums in Leiden IX, p. 92. 
4) T. H. D. La Tovene, Geology of the Northern Shan States, Memoirs of the 
Geol Survey of India, Vol. XX XIX. part 2, 1913, Calcutta, See p. 182. 
5) T. R. Cowrer Reep, The Devonian Faunas of the Northern Shan States: 
Palaeontologia Indica, New Series, Vol. Il, Memoir NO. 5, 1908. 
105 
Proceedings Royal Acad. Amsterdam. Vol. XVIII. 
