A HISTORY OF CORNWALL 



10. Forbesella tessellata, Forbes. Rame-Eddystone 



Gnds. ; a single spec. Eddystone Gnds. on fine 

 gravel (M.B.A.) ; trawl refuse, Mevagissey ! 

 Falmouth B. scarce ! in 25 fm. Mount's B. 

 (Alder). [C. Kmacina, Forbes, from 25 fm. 

 Mount's B. (Forbes and McAndrew) and from 

 Scilly (Carus), may be a var. of this species] 



11. Stye/of sis grossularia, van Beneden. Abund. on 



rocks between t-m. Mt. Edgcumbe, occ. in 

 dredgings from Queen's Gnd., n. unc. particu- 

 larly on Pecten shells on the gravels W. of 

 Eddystone (M.B.A.) ; f. c. locally, Falmouth B. 



12. Polycarpa rustica, L. N. unc. Falmouth B. ; 



Scilly (Carus) 



13. P. pomparia, Savigny. Eddystone Gnds., on one 



occ. v. plentiful 4 m. WNW. of the Eddystone 

 (M.B.A.) 



1 4. Corella larvaeformis, Hancock. Off the Eddystone 



(M.B.A.) 



15. C. parallelogramtna, Mull. Two specs. Devonshire 



side of Plymouth district (M.B.A.) ; Scilly 

 (Carus) 



1 6. Phallusia mamillata, Cuv. N. unc. Devonshire 



side of Plymouth district (M.B.A.); Polperro ! 

 Gyllyngvase, Falmouth ! 



1 7. Ascidtella venosa, Mull. Occ. specs, on the Eddy- 



stone Gnds. (M.B.A.) ; Falmouth B. sparingly, 

 5 to 25 fm. ! 



1 8. A. aspersa, Mull. Locally c. Plymouth S. 



(M.B.A.) ; Sennen Cove ! Scilly (Carus) 



19. A. arachnoldea, Forbes. N. unc. on Cornish 



Coast (Alder) 



20. A. scabra, Mull. Gen. present on Eddystone 



Gnds. but spec, abund. where Sertularella Gayi is 

 plentiful; Rame-Eddystone Gnds. (M.B.A.) ; 

 c. in about 40 fm. off the Dodman ! Falmouth 

 B. ! Scilly (Carus) 



21. A. clbida, A. & H. In trawl refuse from Fal- 



mouth Harb. (Cocks) ; Helford ! (May be a 

 var. of the preceding species) 



22. A. conchilega, Mall. N. unc. in Falmouth Harb. 



and not infrequently cast up in Falmouth B. 

 during a storm 



23. A.prunum, Mull. F. c. locally, Falmouth B. 



24. A. mentula, Mull. Devonshire side of Plymouth 



district (M.B.A.) ; n. unc. Falmouth Harb. 

 and B. ; Scilly (Carus) 



25. A. depressa, Alder. Bolt Hd. (M.B.A.); n. unc. 



Falmouth B. (Cocks) 



26. A. pmtulosa, Alder. Dredged by Alder in 



Fowey Harb. 



27. A. elRptica, A. and H. Under stones at l.w-m., 



St. Mary's Chan. Scilly 



28. A. pelluclda, A. & H. Under stones between 



t-m., Gorran ; at 1. s. t. Falmouth (Cocks) 



29. A. sordida, A. & H. Attached to hydroids in 



shallow water, Polperro and Falmouth B. 



30. A. vitrea, van Ben. Occ. Falmouth B. (Cocks) 



3 1 . dona ean'ma, Mull. N. unc. Falmouth B. ; 



Scilly ! 



32. C. intestinaRs, L. Comparatively r. in Plymouth 



district till 1901 when it became v. abund. in 

 Millbay docks (M.B.A.) ; Fowey ! sometimes 

 c. in Falmouth Harb. and B. ; plentiful New- 

 quay, 1905 ! Scilly! 



33. Diazona violacea, Sav. Eddystone Gnds. (M.B.A.); 



in 20 fm. off Helford ! 



\Perophora banyuknsis, Lahille. Duke Rk. Plymouth 

 (M.B.A.)] 



34. P. listen, Wiegmann. Queen's Gnd., Asia shoal 



(M.B.A.) ; Polperro ! Fowey, on the fronds of 

 fucus \ n. unc. Falmouth B. and Harb. ; 

 Mount's B. 



35. Pycnoclavella aurilucens, Garstang. Plymouth S. 



and at Mewstone (M.B.A.) 



36. Clavelina kpadiformls, Mull. Occ. at extreme 



1. t. Drake's Is., Queen's Gnd. Mt. Edgcumbe, 

 rr. in 10 to 15 fm. off Penlee (M.B.A.) ; in 

 shallow water, Polperro ! in Falmouth Harb. 

 and B. ; Scilly 



37. Distapelia rosea, Delia Valle. On stones and 



dead shells in the Plymouth district (M.B.A.) 



[Arckidlstoma aggregation, Garstang. V. abund. Duke 

 Rk., Plymouth] 



38. Distoma rubra, Sav. On stones, in pools, and on 



taminarian stems, Gyllyngvase, and Pennance 

 (Cocks). 



39. D. crystallinum, Ren. Sennen B., Land's End ! 



40. Aplidlum zostericola, Giard. Attached to stalks of 



Bowerbankia or Amathia, Plymouth (M.B.A.) 



41. A. fallax, Johnst. Attached to rocks and the 



under surface of stones, Falmouth B. (Cocks) 



42. A. ficus, Linn. Trawl refuse, Bream B. sands, 



Falmouth, r., Helford river, c. (Cocks) 



43. A. nutans, Johnst. N. unc. on rocks and under- 



surface of stones, Falmouth B. (Cocks) 



44. Amouroucium alblcans, Milne-Ed. OfF the Mew- 



stone, Plymouth (M.B.A.) ; on stems of young 

 Fucus serratus and the under surface of stones, 

 Falmouth (Cocks) 



45. A. nordmanni, Milne-Ed. One spec. Church 



Reef, Wembury B., Plymouth (M.B.A.) ; c. in 

 pools at Falmouth on stones and shelving rocks 

 (Cocks) ; Falmouth (Alder) 



46. A. proliferum, Milne-Ed. On stones and rock- 



sides in pools at l.w-m., Falmouth, c. (Cocks) ; 

 n. unc. in Cornwall (Alder) 



[A. punctum, Giard. A single colony 3 m. S. of 

 Mewstone (M.B.A.)] 



47. Morchellium argus, Milne-Ed. C. everywhere in 



Plymouth district on rocks between t-m. 

 (M.B.A.) ; Polperro ! Fowey ! c. at l.w-m. 

 Falmouth and Mount's B. ; Sennen ! 



48. Morchelhodes alderi, Herdman. On stones, shells, 



and roots of Laminaria, Asia shoal, Plymouth 

 (M.B.A.) 



\Fragarium elegant, Giard. Duke Rk., Plymouth, on 

 stones (M.B.A.)] 



158 



