WORMS. MOLLUSCA. 30- As(erias. 139 



115. M.fusca. Body with 16. brown rays, and a brown 

 circle in the middle ; the circumference edged with 

 alternate oval tubercles and crooked fangs. 



Borl. Carnw. p. 256. t. 25,/. 7. 8.. Br. Zool. n. 48. 



Rays pointing from the circumference to the centre : tentacula 4, 

 jagged,, a little longer than the body.. 



116. M» purpurea. Body with pale purple rays, and a 

 light purple cross in the middle, between each bar of 

 which is a deep purple horse-shoe -shaped mark. 



Borl. Cornw. p. 257. ^25./"*. 9. io.. Br. Zool. 4. 49. 



Rays diverging from the circumference : tentacula 4, short, thick* 

 not longer than the body. 



117. M. tuberculata . With 15 brown rays meeting at the 

 centre, and small oval tubercles round the margin. 



Borl. Cornw. t. 25./. 11. 12, Barbut t. g.f. 8* 

 Tentacula 4, plain, much longer than the body- 



118. M. undulata. Margin undulate, with fangs on the 

 projecting parts ; beneath 4 orifices, between which 

 is a stem divided into 8 ragged tentacula. 



Borl. Cornw* t. 25./. 15. Barbut. t. 9. f. 9. 



119. M. lunulata r Margin tubercled ; beneath 4 conic 

 appendages forming a cross, with several leaf-like 

 serrate-ones surrounding it. 



Borl. Cornw. t. 25. /. 16. 17. Br. Zool. iv. n. 50. 



Tentacula 8, not exceeding the edges of the body,, between eacb 

 of which is a femilunar aperture- 



120. M. simplex * With a plain circumference and 4 aper- 

 tures beneath : tentacula none. 



Borl. Cornw. t. 25./. 13. 14.. Br. Zool. iv. n. 53. 



121. M. cruciata.< Margin fringed with fine fibres ^"the 

 disk marked with a white cross, each arm of which 

 has a blackish spot. 



The Sussex coast. Barbut Worms, t. g^f. 1.. 



Body like a tranfparent colourlefs jelly, furrounded at the edge 

 with a fringe of fibres* 



122. M. capillata. Margin with 16 indentures; beneath 

 with 16 rays meeting at the centre, where they are 

 surrounded by numerous fibres. 



Kentish coast. Barbut Worms t. 9. f. 3^ 



Body whitish, femipellucid, convex, fragile, flat beneath with a 

 rough circle ; the margin divided into 8 portions, each of which i» 

 emarginate. 



3O. ASTERIAS. Star-fish. 

 A. With 5 stellate rays. 



123. A. rubens. Pale orange, with lanceolate convex 

 rays every where clothed with small spines. 



Br. Zool. t. 30./. 58. Basterfubs. t. 12./. i-6> 



Body 14 inches in diameter, varying in colour,, but generally 

 lemon-colour marbled with dark brown, beneath whitish : fpines^ 

 white. 



124. A . spinosa. Rays lanceolate, of nearly equal thick- 

 ness, beset with numerous spines or tubercles. 



Refembles the last, but the rays are not convex. 

 Bet I. Cornw, t, 25./, 18. Bn Zool, iv. n. 6q, 



