SILURIAN BIVALVED MOLLUSCA OF VICTORIA. 
82. Lypricardinia contexta, Barrande. Right valve. Croydon, near 
Lily dale. [7946.] x 2. 
83. C. contexta, Barrande. Surface of right valve on the umbonal slope. 
Croydon, near Lilydale. [7946.] X4. 
84. C. contexta, Barrande, Left valve. Yering, Upper Yarra. [2242.] 
x 2. 
85. Paracyclas siluricus, sp. nov. [Type.] 85A, umlx>nal aspect of left 
valve. Ranges E. of Heathcote. [7947-] x 2. 
86. P . siluricus, var. heathcotiensis, var. nov. [Type.] 86a, umbonal 
aspect, left valve.. Heathcote. [988.] x 2. 
87. Actinodesma cf. ampliata, Phillips, sp. N. of Lilvdale. [2267.] 
Nat. size. 
88. Prcelucina 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 Printer, Melbourne 
[ 62 ] 
