SILURIAN BIYALVED MOLLUSCA OF VICTORIA. 
IV. 
57. ParallelocLon cequalis , sp. nov. [Type.] S. Yarra. [7924.] x 3. 
58. ? Parallelodon kilmoriensis, sp. nov. [Type.] Kilmore. [7 925.I 
x 2. 
59. ? P. cf. kilmoriensis , sp. nov. Swanston St. sewer. [7926.] X2. 
60. Pterinea lineata, Goldfuss. Left valve. Croydon, near Lilydale. 
[7927.] Nat. size. 
61. P. tenuistriata, McCoy. S. Yarra. [7928.] xf 
62. Lunulicardium antistriatum, sp. nov. [Type.] McMahon’s Creek. 
[2257.] Nat. size. 
63. L. antistriatum, sp. nov. Reefton, Warburton. [2255.] Nat. size. 
63A. L. antistriatum, sp. nov. Vental margin of shell. Reefton, War- 
burton. [2255.] Nat. size. 
64. 65. ? Lunulicardium antistriatum , sp. nov. Probably young examples. 
Mouth of Starvation Creek, Upper Yarra. [2260-61.] xz. 
66. Ambonychia acuticostata, McCoy. Cave Hill, Lilydale. [2268.] 
x 2. 
67. Mytilarca acutirostris, sp. nov. [Type.] Junction of Woori Yallock 
and Yarra. [7930.] x 2. 
68. Actinopteria texturata, Phillips, sp. (x 2): 68a, portion of shell- 
surface more highly magnified 1 x 4). Near Lilydale. [2264.] 
69. A. boydi, Conrad, sp. Near Lilydale. [ 7933-1 x 2 - 
V. 
70. Actinopteria boydi, Conrad, sp. Another specimen to show variation 
in surface ornament. Croydon, near Lilydale. [7935;] Nat. size. 
71. A. asperula, McCoy, sp., var. croydonensis, var. nov. Croydon, near 
Lilvdale. [7936.] Nat. size. 
72. A. cf. ’ sowerbii, McCoy, sp. From a wjix impression. Reefton, near 
Warburton, Upper Yarra. [7937-1 Nat. size. 
73. A. heathcotiensis, sp. nov. [Type.] Heathcote. [7838.] Nat. size. 
74. Leiopteria cf. oweni, J. Hall. Left valve. 74A, profile. Croydon, 
near Lilydale. [7939-1 Nat. size. 
75. Aviculopecten spryi, sp. nov. [Type.] S. Yarra. [7940.] X3. 
76. Modiolopsis melbournensis, sp. nov. [Type.] Left valve. 76A, antero- 
dorsal profile of valve. S. Yarra. [7941-] X2. 
77. M. complanata, Sowerbv, sp. S. Yarra. [7942.] X2. 
VI. 
78. Modiolopsis nasuta, Conrad, sp. var. 
S. Yarra. [7943-1 * 
79. Glossites victories, sp. nov. [TyP e -J 
Lilydale. [7944-1 x 2. 
80. Goniophora australis, sp. nov. [Type.] 
81. G. cf. glaucus, J. Hall, sp. S. Yarra. 
[ 61 ] 
australis, var. nov. [Type.] 
Right valve. Croydon, near 
N. of Lilydale. [989.] xf. 
[7945-1 X 2 - 
