SILURIAN BIVALVED MOLLUSCA OF VICTORIA. 
. Cypricardinia contexta, Barrande. Right valve. Croydon, near 
Lilydale. [7946.] eae 
- C. contexta, Barrande. Surface of right valve on the umbonal slope. 
Croydon, near Lilydale. [7946.] x4. 
. C. contexta, Barrande. Left valve. Yering, Upper Yarra. [2242.] 
xize 
. Paracyclas siluricus, sp. nov. [Type.] 85a, umbonal aspect of left 
valve. Ranges E. of Heathcote. [7947.] x 2. 
. P. siluricus, var. heathcotiensis, var. nov. [Type.] 86a, umbonal 
aspect, left valve. Heathcote. [988.] KMD. 
. Actinodesma cf. ampliata, Phillips, sp. N. of Lilydale.  [2267.] 
Nat. size. 
. Prelucina ancilla, Barrande. From a wax impression of a mould of a 
right valve in hardened mudstone. 88a, umbonal aspect. Main- 
dample, Gippsland. [7882.] Nat. size. 
By Authority: J. Kemp, Government !’rmnter, Melbourne. 
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