of British Mollusca. 79 



land, aiul Groeiilaml [Murc/i), Jan Maycu [Becher), Spits- 

 bcTLCcn {G. O. Stn-.s), N.E. America {Coadtou// ((-c), Arctic 

 Paciric {Ben//i), JJclirini,^ Strait {Aunoillius). 



It is Triton ii/ lut/itohlaii, Coiitlioiiy, Tritonia pulc/tclla 

 and Dtndrutus arOorenccns, Aid. c^ Ilauc, and perhaps Den- 

 ilrunotu.s rhyaii.s, Verrill (Troc. V. S. Nat. ^[u.<. 1880, 

 p. 385) . 



Fain. 7. Dotonidae. 

 Geuu.s Doru, Ciivier. 

 108. Dutv fray His (Forbes). 



Firth of Clyde and Shetland [A. M. A".), St. Andrews 

 [Mcintosh), Norfolk coast, 12-lG fath. [Mei/er), off Puffin 

 Island, Anglesea {Iferdi/ian)^ Plymouth [Garstang). 



Distribution. Adriatic (&r«ej^e),Christiania Fiord, Norway, 

 20 fath. (G. 0. Sars). 



Synonym. Meliboea pinnatiti'Ia, Johnston. 



ion. Dot'j /Ktinatifida (Montagu). 



110. Doto coronata {GmeVm). 



Shetland (.4. M. X.), Moray Firth {G. Mxrray), St. An- 

 drews {M'Jntosh), Arran, N.|}., 10-20 fath., and Liverpool 

 district, many places {//en/tnan), Plymouth {(rarstan<j), Firth 

 of Forth {F. M. Balfour). 



Distribution. Mediterranean ( Fe/-«/ty tOc), Adriatic {Sto.'i- 

 sich), S.W. France (Fischer), Kiel [Meyer d- Mobius), Den- 

 mark {Kroyer), Sweden (Loven), Norway and Finmark 

 down to 10 fath. {(t. 0. Sars), N.E. America (Stimjjsou lijc). 



It is Scilbia punctata {Bouch.-Ghixut.) , Me/ibceaornata, Aid. 

 & Hanc, Melibtea arbuscula, Agassiz, and Tergipes lacinu- 

 latus, DcUe Chiajc, and, according to Bergh, Doto Forbesii, 

 Deshayes, D. iincinata, Hesse, D. pinnigera, Hesse, D. armo- 

 ricana, Hesse, and D. confluens, Hesse. 



111. Doto cuspidata, Aid. c^ Plane. 

 Shetland {A. M. X.). 



(jrenus Haxcockia, (tossc, 1877 

 = Govia, Trinchese, 1886 *. 



Bergh thus defines this interesting genus :— 



" Margo frontalis utrinque digitatus ; rhinophoria quasi ut 



* Trinchese, " Kiclierclie anat. siil geuere Goviu '' (Mem della R. Ace. 

 delle Sc. dell' Instiluto di Bologna, s, o, vol. vii. pp. 183-11»1, pi. 



