PLA Peel, 
Fig. 1 Geodia? clavata n. sp. Zone spicule with bifid head 
Fig. 2 The same. Zone spicule with simple trifid head . 
Fig. 3 The same. Zone spicule with compound trifid head 
fig. 4 The same. Zone spicule with compound trifid head 
fig. 5 The same. Head of compound trifid spicule . Se WEE 
fig. 6 Geodia? coronata n. sp. Zone spicule with simple trifid 
head. Pe re ee acai) Sven s'. “Hommne cet 
Figs. 7, 8 The same. Zone spicules with compound trifid head 
figs. 9, ro Stelletta sp. Zone spicules with simple trifid head . 
figs. 17, 17a Stelletta sp, Zone spicule with simple trifid head 
I1a Head of spicule seen from below. 
Fig. 12 Geodia? Wrightii n. sp. Zone spicule with simple trifid head 
figs. 13—15 Geodia? sp. Simple and compound trifid spicules . 
Fig. 16 Geodia? sp. Simple trifid spicule . : 
Figs.17—18 Geodia? sp. Simple trifid ’fork‘ spicules . 
fig. 19 Geodia? sp. Bifid ‘fork’ spicule 
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All the figures on this plate are drawn to the scale of 20 diameters by means 
of the Camera lucida. 
