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CLASS III, — ORDER I. 
the interior full of small lacinules ; surface many- 
lobed, divided, and laciniated; texture fibrous and 
reticuated; slightly in crusted, 
FILAMENTOUS. 
10. Spongia jilamentosa . Orbicular ; the surface co- 
vered with upright lobes, separated above and united 
below by lateral transverse filaments. 
Seas of New Holland ; King’s Island. 
HONEY -COMBED. 
11. Spongia favosa . Masses oval, or oblong, and 
convex; surface covered with cells like a honey- 
comb, subangular and unequal, of which the sides are 
nearly membranous. 
Australasia; King’s Island. 
CELLULAR. 
12. Spongia cellulosa . Masses proliferous or 
lobed ; surface covered with honey-combed unequal 
cells, whose sides are thick and porous. 
Australasia ; King’s Island. 
PARTITIONED. 
13. Spongia septosa . Fibres completely incrusted, 
forming a sort of net-work, the layers of which irre- 
gularly cross each other and form large and unequal 
cells or holes. 
Southern seas. 
PIERCED. 
14. Spongia fenestrata. Simple and incrusting. 
