Tertiaries in the Neighbourhood of Melbourne. 191 



these could be obtained in situ by sinking a couple of feet at low 

 tide, but the band containing them is not exposed. Loose 

 nodules of limestone occur on the beach mingled with ironstone 

 pebbles, which form a coarse shingle. Many of the limestone 

 nodules contain perfect casts of fossils, which are, as our list 

 shows, all typical Eocene species. We have not spent much 

 time in collecting these forms, and have not recorded any 

 collected from holes sunk on the beach floor, but have confined 

 our attention to the strata which crop out along the base of the 

 cliff. An examination of the fossils obtained from the cliff 

 justifies us in referring the exposed beds to Miocene age. There 

 are a few species of which the range will be thus extended into 

 the Miocene ; but if, on the other hand, the beds were regarded 

 as Eocene, a very large number of the most characteristic 

 Miocene fossils would have to be considered as common to both 

 Miocene and Eocene on the evidence of this section alone. The 

 band yielding teeth, bones and ironstone concretions will probably 

 be found to mark the junction of the two formations, the 

 Eocene beds occurring below it. 



Some of the fossil bands are fairly rich in mollusca, but they 

 are much decomposed as a rule, and the greatest care is requisite 

 to obtain whole specimens. Still, we have obtained a fair 

 number of species, and quite enough to determine the age of 

 the beds. 



The character of the beds, seen in cliff section, has been so 

 carefully described by Mr. Hart (12) that further comment is 

 almost unneccessary. Taken as a whole, they consist of quartzose 

 sand, with a varying amount of argillaceous material, and, 

 excepting near the top of the cliffs, are strongly ferruginous. 



The following fossils have been obtained from the cliffs at this 

 locality : — 

 Crustacea (Cirripedia). 



1 Balanus sp. 

 Echinodermata. 



Lovenia forbesi, Woods and Duncan. 



Cidaroid spines. 

 Zoantharia. 



Placotrochus deltoideus, Duncan. 



Placotrochus elongatus, Duncan. 



