SILURIAN BIVALVED MOLLUSCA OF VICTORIA. 
30. Nucula melbournensis, sp. nov. A sub-orbicular variety. Domain Rd. 
sewer, S. Yarra. [985.] x 2. 
31. N. melbournensis, sp. nov. [Type.] 314, umbonal aspect of left valve. 
S. Yarra. [7895.] Ke 
32. N. ? melbournensis, sp. nov. 32A, antero-dorsal view. Merri Creek, 
Kalkallo. [7879.] <E2p 
33. N. ? melbournensis, sp. nov. Attached valves. 33a antero-dorsal pro- 
file of valves. S. Yarra. [7898.] xae 
34. N. umbonata, sp. nov. [Type.] Kilmore.  [7899.] ah! 
35. N. umbonata, sp. nov. Inner surface of valve showing cardinal line 
and ligament pit. Yan Yean. [7900.] ze 
36. N. arcaformis, sp. nov. [Type.] Domain Rd. sewer, S. Yarra. [7901-] 
XZ 
37. N. taylori, sp. nov. [Type.] S. Yarra.  [7907.] x2, 
38. NV. taylori, sp. nov. Wax impression of an internal mould. Broad- 
hurst’s Creek, E. of Kilmore. [7908.] Dp 
II. 
39. Nucula opima, J. Hall, sp., var. australis, var. nov. Yan Yean. [7910.} 
xX 2. 
40. N. opima, J. Hall, sp., var. australis, var. nov. [Type.] Yan Yean. 
[7909.] x 2. 
41. N. opima, J. Hall, sp. var. australis, var. nov. S. Yarra. [7911-] 
Ze 
42. N. opima, J. Hall, sp., var. australis. Internal cast. Fraser’s Creek, 
Springfield. [965.] 4 De 
43. NV. opima, J. Hall sp., var. australis, var. nov. Abnormal form, 
South Yarra. [7912.] x 2: 
44. N. cf. lirata, Conrad sp. Yan Yean. [7914.] xa 
45. N. lamellata, J. Hall. A short variety. Broadhurst’s Creek, E. of 
Kilmore. [2252.] me Ds 
46. N. lamellata, J. Hall. Schist Hill, Merri Creek. [2243.] size 
47. Pal@oneilo victorig, sp. nov. Left valve. [Type.] S. Yarra. [7915.] 
x2. 
48. P. victorig, sp. nov. Elongate form; the two valves with the cardinal 
lines in position. S. Yarra. [7916.] paz 
49. P. victorie, sp. nov. Right valve of an elongate and finely costate 
form. Domain Road sewer, S. Yarra. [7917-] x2. 
50. P. raricost@, sp. nov. [Type.] Left valve. Junction of Woori 
Vallocks and) Varra=) [7908-1 <2: 
51. P. spectabilis, sp. nov. Right valve. [Type.] S. Yarra. [7919.j 
xz 
52. P. spectabilis, sp. nov. Interior of left valve and cardinal area of right 
valve. Jolimont, E. Melbourne. [7920.] 2s 
53. P. producta, sp. nov. [Type.] 53a, dorsal aspect of right valve. 
Sau Warras 2i[/792 0.1] x Ds 
54. P. ? constricta, Conrad sp. Cast of right valve. S. Yarra. | [7923-] 
xi: 
55. P. cf. brevis, J. Hall. Merri Creek, Kalkallo. [968.] x3 
56. P. cf. tenuistriata, J. Hall. Merri Creek, Kalkallo. [967.] yess 
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