90 
EXPLANATION OF PLATE. 
{jrhis plate has been kindly preseyited to the Society by 
W. Eeed, Esq., F.Gt.S.) 
Fig. 1. Echinus paucimiliaris, n. sp. Ped Crag, Butley. Nat. size. 
,, 2, 3 & 4. Echinus hensloivi, Forbes, female form. Led Crag, 
Walton. Fig. 2 : Mag. 2 dia., side view. Fig. 3 : 
Ambactinal view : showing the depressions: mag. 
2 dia: Brit. Mus. E 3107. Fig. 4a : enlarged plates 
at the ambitus ; ih\ plate below the ambitus. 
,, 5. Echinus sphceroideus^ Cotteau. Coralline Crag, Boyton: 
[x 4 dia. 
,, 6. ,, ,, ,, Ambital plates of same 
specimen enlarged. 
,, 7. Strongylocentrotus scaber, n. sp. Coralline Crag, Aldboro’. 
Nat. size. 
,, 8. Echinus ivoodi, Desor. Coralline Crag, Orford. Nat. size. 
4L .. 
97 Qy 
^ ■' -i i:. 
