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.] 31 A, umbonal aspect of left valve. 
S. Yarra. [7895.] x 2. 
32. N. ? melbournensis, sp. nov. 32A, antero-dorsal view. Merri Creek, 
Kalkallo. [7879.] x 2. 
33. N. ? melbournensis, sp. nov. Attached valves. 33A antero-dorsal pro- 
file of valves. S. Yarra. [7898.] x 2. 
34. N . umbonata, sp. nov. [Type.] Kilmore. [7899.] x 2 
35. N. umbonata, sp. nov. Inner surface of valve showing cardinal line 
and ligament pit. Yan Yean. [7900.] x 2. 
36. N. arcceformis, sp. nov. [Type.] Domain Rd. sewer, S. Yarra. [7901.] 
x 2. 
37. N . taylori, sp. nov. [Type.] S. Yarra. [7907.] x 2. 
38. N . taylori , sp. nov. Wax impression of an internal mould. Broad- 
hurst’s Creek, E. of Kilmore. [7908.] x 2. 
III. 
39. Nucula opima, J. Hall, sp., var. australis, var. nov. Yan Yean. [7910.] 
x 2. 
40. N . opima, J. Hall, sp., var. australis, var. nov. [Type.] Yan Yean. 
[7909.] x 2. 
4r. N. opima, j. Hall, sp. var. australis, var. nov. S. Yarra. [7911.] 
x 2. 
42. N. opima, J. Hall, sp., var. australis. Internal cast. Fraser’s Creek, 
Springfield. [965.] x 2. 
43. N. opima, J. Hall sp., var. australis, var. nov. Abnormal form 
South Yarra. [7912.] x 2. 
44. N. cf. lirata, Conrad sp. Yan Yean. [7914.] x 3. 
45. N. lamella! a, J. Hall. A short variety. Broadhurst’s Creek, E of 
Kilmore. [2252.] x 2. 
46. /V. lamella! a, J. Hall. Schist Hill, Merri Creek. [2243.] X 2. 
47. Palaoneilo victoria:, sp. nov. Left valve. [Type.] S. Yarra. [7913.] 
48. P. 
49- P- 
50. P. 
51. P. 
victoria, sp. nov. 
lines in position. 
victoria, sp. nov. 
Elongate form ; the two valves with the cardinal 
S. Yarra. [7916.] x 2. 
n P ' n ° V 'p R i ght VaLve c °{ r an elon Sate and finely costate 
form. Domain Road sewer, S. Yarra [7917 ] X2 
rarkosta, sp. nov. [Type ] Left valve. Junction of Woori 
Yallock and Yarra. [7918.] x 2. 
spectabilis, sp. nov. Right valve. [Type.] S. Y, 
x 2. 
aria. 
[79I9-] 
52. P • 
53 - P. 
54- P- 
spectabilis, sp. now 
valve. Jolimont, E. 
products, sp. nov. 
S. Yarra. [7921.] 
? constricta, Conrad 
x 2. 
Interior of left valve and cardinal area of right 
Melbourne. [7920.] x 2. 
[*>P e -] 53A, dorsal aspect of right valve. 
x 2. 
sp 
■ Cast of right valve. S. Yarra. [7923.] 
55- P. of. brevis, J. Hall. Merri Creek, Kalkallo. [968 1 
56. P. cf. tcnmstnata, J. Hall. Merri Creek, Kalkallo. [967.] 
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