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CLASS III.— ORDER I. 
lindrical and nearly tubulous, fixed through their 
whole length. 
Var. G. Spatulated, and very thick. 
Var. D. Surface jagged, and proliferous. 
Australasia ; near Kangaroo Island. 
FAN-SHAPED. 
47. Spongia Jlabelliformis. Upright, pediculated, 
brown or blackish ; fibres stiff, reticulated, and in- 
crusted. 
Indian and Australasian seas. 
FEATHERED. 
48. Spongia pluma. Pediculated, finely fibrous 
as if feathered ; transparent, and a little flattened. 
Southern seas. 
THISTLE. 
49. Spongia carduus. Pediculated, fan-shaped, and 
uneven ; surface incrusted, and having thin conti- 
nuous wrinkles or folds, stuck with a few sharp 
points. 
Southern seas. 
CLOTH-LIKE. 
50. Spongia pannea . Upright, pediculated, and 
very thick, flattened and fan-shaped ; texture fibrous 
and reticulated, like cloth ; upper border osculated. 
Var. B. Very thick, compressed, and round. 
Southern seas. 
CLEFT. 
51. Spongia Jissurata . Pediculated, flat, and thin ; 
