PLATE 9. 
Fig. 
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Fig. 
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Fig. 
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Fig. 
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Kg. 
10. 
Polypora SmitMi, Eth. fil. Impression of the back of portion of a poly- 
zoarium. Stanwell. 
Do. Fragment highly magnified, showing the form of the fenestrules, 
and the striated interstices. 
Do. Impression of another example. Stanwell. 
Fenestella fossula, Lonsdale. Impression of the celluliferous face of a 
crumpled frond. Bowen River. 
Do. Fragment highly enlarged, with casts of the cell-mouths and 
fenestrules. 
Fenestella internata, Lonsdale. Impression of the poriferous face of a 
large colony. — f. Stanwell. 
Do. Portion highly magnified. 
Rhombopora laxa, Etheridge. Portion of a branch, with two bifurcations, 
and showing general habit. Gympie. 
Do. Natural section, with tubes enlarged, x 4. 
Dielasma cymboeformis, Morris, sp. Internal cast of a fine example. Bowen 
River. 
Do. Side view of the same specimen. 
Spirifem, allied to S. striata, Shy. Dorsal valve of a small individual (after 
Etheridge, Quart. Journ. Geol. Soc., xxviii., t. 18, f. 8). 
Don River. .[R.D.] 
Spirifem Darwinii, Morris. Ventral valve of a young specimen. Bowen 
River. 
Do. Dorsal valve. 
Spirifem trigonalis, var. bisulcata, Shy. Ventral valve (after Etheridge, 
Quart. Journ. Geol. Soc., xxviii., t. 17, f. 4). Bowen River. 
[R.D.] 
Do. A large individual (<S. striata, Etheridge, Quart. Journ. Geol. 
Soc., xxviii., t. 17, f. 5. Bowen River.) [R.D.] 
