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Carditella, n. sp. 
Limopsis multiradiata, Z'ate. (Aldinga.) 
Plagiarca cainozoica, Zate, (passim.) 
Trophon, sp. aff. polyphyllus, 7.-Woods. (Muddy Ck., Spring 
Ck., Mornington.) 
Triton, sp. indet. 
Tritonidea, 7. sp. 
Nassa? sp. 
Ancillaria ligata, Zate. (Aldinga.) 
Trivia, n. sp. aft. T. pompholugota, Vate. 
Turritella, sp., worn (prob. T. Aldinge, Yate). (Aldinga. 
Cape Otway.) 
Eulima, n. (2) sp. 
Ataxocerithium concatenatum, Zate. (Aldinga. Muddy 
Creek.) 
Triforis, sp. (Aldinga.) 
Lovenella, 5 spp. 
Litiopa, 2. sp. 
Rissoa, sp. (Muddy Creek.) 
Rissoa, 2 7. spp. 
Liotia Roblini, Zate. (River Murray, Muddy Creek, Table 
Cape. ) 
Delphinula, 2 2. spp. 
Phasianella, 7. sp. 
Leptothyra parvula, 7’.- Woods. (Muddy Creek. Corio Bay.) 
Leptothyra, sp. 
Calliostoma, sp. 
Euchelus, sp. , 
Meretrix, sp., indet. 
Amphihelia striata, 7.- Woods. (Aldinga.) 
n. sp. signifies not identical with any belonging to other Eocene 
sections in Australia. 
The names in brackets after various species are the localities 
whence those species have already been obtained, ‘ passim” 
denoting a species found at all, or nearly all, Australian Eocene 
outcrops. Professor Tate remarks, with regard to the fossils 
tous ensemble, ‘Specimens usually much broken, or juvenile ; 
hence specific determination not admissible, or only by trouble- 
some comparisons, which time has not permitted to be given.” 
This accounts for the large number on the list unnamed. Of 
those that have been worked out, we have in all 23 species, of 
which ten are hitherto unrecorded, and three widely distributed ; 
while of the others six have been found at Aldinga and Adelaide, 
four. being till now unrecorded elsewhere, and five at Muddy 
Creek, to which place, however, only one is peculiar. Thus we 
