COMPARATIVE ‘TABLE OF 
RELATED TO 
Australian Species. 
Orthonota australis, (Mel- 
bournian). 
Grammysia cf. arcuata, Conrad sp. 
(Yeringian). 
G, all. plena, J. Hall (Melbournian). 
Sp. nov. 
Leptodomus maccoyianus, sp. Nov. 
(Melbournian). 
L. heathcotiensis, sp. nov. (Mel- 
bournian). 
Paleanatina cf. solenoides, J. Hall 
(Melbournian). 
Edmondia  perobliqua, sp. nov. 
(Melbournian). 
Panenka planicosta, sp. nov. (Yerin- 
gian). 
Paracardium  filosum, sp. nov. 
(Yeringian). 
Ctenodonta portlocki, sp. nov. (Mel- 
bournian and Yeringian). 
Nuculites maccoyianus, sp. nov. 
(Melbournian). 
N. subquadratus, sp. ov. (Mel- 
bournian). 
N. jutsoni, sp. nov. (? Yeringian) 
Nucula melbournensis, sp. nov. Mel- 
bournian). 
N. umbonata, sp. nov. (Melbournian). 
N. arceformis, (Mel- 
bournian). 
N. taylori, sp. nov. (Melbournian). 
sp. nov. 
N. opima, J. Hall, var. australis, 
nov. (Melbournian and Yeringian). 
N. cf. lirata, Conrad sp. (Mel- 
bournian). 
Palaoneilo victoria, sp. nov. (Mel- 
bournian). 
P. raricoste, sp. nov. (Yeringian). 
P. producta, sp. nov. (Melbournian). 
P. ? constricta, Conrad (Mel- 
bournian). 
sp. 
P. cf. brevis, J. Hall (Melbournian). 
VICTORIAN SPECIES OF 
FORMS FOUND 
SILURIAN BIVALVED MOLLUSCA OF VICTORIA. 
SILURIAN PELECYPODA, 
ELSEWHERE. 
Related Species. 
O. extrasulcaia, Salter. 
low, England. 
(. arcuata, Conrad sp. 
group ; North America. 
G. plena, J. Hall. Chemung 
Upper Lud- 
Hamilton 
and 
Waverley groups; North America. 
Grammysia subarcuata, J. Hall, 
Chemung group; North America. 
Leptodomus truncatus, McCoy. Up. 
Ludlow ; England. 
P. solenoides, J. Hall. Chemung 
group; North America. 
(/. obliqua \ J. Hall, Chemung 
(2. subovata) — group; N. America. 
P. nana, Barrande. Silurian; Bo- 
hemia. 
P. filiferum, WBarrande. Silurian ; 
Bohemia. 
Arca [Ctenodonta| dissimilis. Port 
lock. Up. Ordovician; Ireland. 
N. oblongatus, Conrad. Hamilton 
group; North America. 
N. nyssa, J. Hall. Hamilton group ; 
North America. 
N. oblongatus, Conrad. 
group; North America. 
Nucula bellistriata, Conrad sp. Hamil- 
ton group; North America 
N. waricosa, J. Hall. 
group; North America. 
N. subequalis, McCoy sp. 
| dovery ; England. 
N. anglica, dOrbigny. Up. Ordo- 
vician and Silurian; England. 
NV. nyssa, J. Hall. Hamilton group ; 
| North America. 
N. lirata, Conrad sp. Hamilton 
group; North America. : 
P. muta, J. Hall. Hamilton group ; 
North America. 
muta, Ve LeLeLls 
North America. 
Hamilton 
Hamilton 
Up. Llan- 
Hamilton group ; 
P. elongata, J. Hall. Chemung 
group; North America. 
P. constricta, Conrad. Hamilton, 
Portage, and L. Chemung groups ; 
North America. 
P. brevis, J. Hall. 
North America. 
Chemung group ; 
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