A HISTORY OF DEVONSHIRE 



TUNICATA {continued) 



AsciDiiDAE {continued) 



Ascidiella aspersa (O.F.M.). Plymouth Sound; Yealm, 

 c. ,• Sakombe, v.c. ; Exmouth, c. in Dock ; Tei^- 

 mouth Bay, occ. (M.B.A.) 



— scabra, O.F.M. Plymouth Sound ; Yealm, occ. ; 



Sakombe, c. ; Eddystone Gnds. c, growing on 

 stem of Sertularella gayi (M.B.A.) 



— venosa, O.F.M. Eddystone Gnds. occ. (M.B.A.) 

 Ascidiadepressa, Aid. Shell gcAwdoSBoltHeadi^K.'BA.) 



— arachnoider, Fb. Devon coast, m.c. (F. and H.) 



— mentula, O.F.M. Plymouth Sound occ, Mewstone 



Gnds. (M.B.A.) ; Torcross (A. and H.) 

 Ciona intestinalis (L.). Small specimens (4—5 in. 

 long) n.c. shore — 3 5 fins, off Plymouth, Torbay, 

 Teignmouth Bay. In 190 1 became v.c. and of 

 large size (12 in. in length) in Millbay Docks, 

 Plymouth, and Exmouth Dock. It resumed its 

 normal abundance the year after as far as Ply- 

 mouth was concerned, but the writer has no 

 record oi Exmouth (M.B.A.). In 1905 it ap- 

 peared in Millbay Dock again in great profusion 

 (E. J. Allen). B. vi-ix. Those from Exmouth 

 were often infested with Notopterophorus gibba 

 (M.B.A.) 



Clavelinidae 



Diazona violacea, Sv. Eddystone and Stoke Point 



Grounds, n.c. (M.B.A.) 

 Perophora banyulensis, Lahille. Duke Rock, Plymouth 



Sound (M.B.A.) 



— listeri, Wiegmann. Plymouth Sound, v.c. ; Tealm ; 



Sakombe (M.B.A.) 

 Pycnoclavella aurilucens, Garstang. Mevistone Ledge, 



10—20 fms. on various objects ; Plymouth Sound 



once on red weed (M.B.A.) 

 Clavelina lepadiformis (O.F.M.). Plymouth Sound, 



m.c. ; Mevistone Ledge; on Salstone, Sakombe, 



v.c. B. vi-vii (M.B.A.) 



BOTRYLLIDAE 



Bottyllus violaceus, M. E. Gen. dist. and c. on rocks, 

 stones, weeds, etc. at l.w. B. vi-viii (M.B.A.) 



— bivitattus, M. E. Torquay (F. and H.) 

 Botrylloides rubrum, M. E. Plymouth Sound, c. under 



stones, l.w, B. viii-x (M.B.A.) 



TUNICATA {continued) 



DiSTOMIDAE 



Distaplia rosea, Delia Valle. Plymouth Sound, Duke Rk. 



on stones and shells, etc. (M.B.A.) 

 Archidistoma aggregatum, Garstang. Plymouth, Duke 



Rk., v.c. on stones ; 2 m. S. of Metvstone, rr. 



B, vi (M.B.A.) 



POLYCLINIDAE 



Aplidium zostericola, Giard. Plymouth, on stalks of 

 Bowerbankia or Amathia (M.B.A.) 



Amaroucium albicans (M. E.). Plymouth Metostone 

 (M.B.A.) 



— nordmanni (M. E.). Wembury Bay; Sakombe, 



c. on Salstone. B. vi (M.B.A.) 



— punctum, Giard. 3 m. S. oiMewstone (M.B.A.) 

 Morchellium argus, M. E. Plymouth Sound, c. ; Yealm, 



Sakombe (Salstone), v.c. on shore, occ. in dredg- 



ings. B. ix (M.B.A.) 

 Morchelloides alderi (Herdman). Plymouth Sound, on 



stones, shells ; Laminaria roots, m.c. (M.B.A.) 

 Fragarium elegans, Giard. Plymouth, Duke Rk. on 



stones (M.B.A.) 

 Circinalium concrescens, Giard. Plymouth Sound occ.; 



Wembury Bay (M.B.A.) 



DoLIOLIDAE 



Doliolum nationalis, Borgert. Plymouth, v.c, Aug., 

 Sept., 1893; v.c, 1895; occ. Nov., 1905 

 (M.B.A.) 



Salpidae 



Salpa fiisiformis, Cuv. Eddystone, 1904 (M.B.A.) 



— mucronata, Fr. Plymouth, v.c. 1893 mid June 



to 1st week of July ; Nov. 1903. B. viii-x 

 (M.B.A.) 



Appendiculariidae 



Oikapleura dioica, Fol. Plymouth, gen. present in 

 tow-nettings, occ. c. B. viii-x (M.B.A.) 



Fritillaria borealis, Lohmann. Plymouth, Mar., Oct., 

 Nov., 1899; Aug., 1903 (M.B.A.) 



158 



