698 
specimen of Dolium costatum, althougli only an internal cast, is one of so strongly and 
distinctly marked a sjiecies as to be readily recognisable from the other Australasian 
forms ; the simple and distinct eostje and canaliculate suture distinguish it at once. 
The Pecten novts-guinem is not identical, says Mr. Brazier, with any existing species in 
neighbouring waters, and must therefore be regarded, with the so-called Temnechinus, as 
peculiar to the Tule Island deposit. It is, however, remarkably like a South American 
Pecten, described by D’Orbigny, from the Tertiary rocks of Patagonia, as P. paranensis.* 
In addition to these species just mentioned, I detected in one of the blocks of the 
Macleay collection the internal east of a iStrombus, which Mr. Brazier regards as that of 
(S'. ( Gallinula) Oamphelli, Gray, a species now living in the Australian seas. 
E. 
*See Darwin’s Geol. Obs. Vole. Islaudsand Pts. of S. America ; Voy. “ Beagle,” 2nd Edit., 1876, t. 3, 
f. 30. In P. paranensis, each costa, as in the New Guinea species, is divided into three or four ribs. The 
concentric laminse in the latter are continuous over the costa; and intervening valleys, forming frills, but in 
the former the ribs of the coste are separately decorated by concentric lines of projecting tooth-like spines. The 
interior ear also in the South American form is more deeply divided than in our species, and the posterior ia 
less granulate. 
