79 
of British Mollusca . 
land, and Greenland ( Morch ), Jan Mayen (. Becker ), Spits- 
bergen (G. 0. Sars ) , N.E. America ( Couthouy (fee.), Arctic 
Pacific [Bergh ) , Behring Strait [Aurivillius ) . 
It is Tritonia Eeynoldsii, Couthouy, Tritonia pulchella 
and Dcndrotus arborescens , Aid. & Hanc., and perhaps Z)e«- 
dronotus elegans , Verrill (Proc. II. S. Nat. Mus. 1880, 
p. 385). 
Fain. 7. Dotonidae, 
Genus Doto, Cuvier. 
108. Dotofragilis (Forbes). 
Firth of Clyde and Shetland (A. J/. A T .) , St. Andrews 
[MMntosh), Norfolk coast, 12-16 fath. ( Meyer ), off Puffin 
Island, Anglesea [Herdman), Plymouth [Garstang ) . 
Distribution . Adriatic (Graeme), Christiania Fiord, Norway, 
20 fatli. (G. G. Sars). 
Synonym . Melibcea pin natifida, Johnston. 
109. Goto pennatifida (Montagu). 
110. Doto coronata (Gtnelin). 
Shetland (A. M . A.), Moray Firth (G. Murray ), St. An- 
drews ( M c lntosh ), Arran, N.B., 10-20 fath., and Liverpool 
district, many places ( Herdman ), Plymouth [Garstang ) , Firth 
of Forth (A. M. Balfour). 
Distribution . Mediterranean ( Verany (fee.), Adriatic (/SW- 
s7cA), S.VV. France [Fischer), Kiel [Meyer cfe Mobius ) , Den- 
mark ( Kroyer ), Sweden ( Loven ), Norway and Finmark 
down to 10 fath. (G. G. Sars), N.E. America [Stimpson (fee.). 
It is Scillaia punctata (Bouch. -Chant.), Melibcea ornata , Aid. 
& Hanc., Melibcea arbuscula , Agassiz, and Tergipes lacinu- 
latus , Delle Chiaje, and, according to Bergh, Forbesii , 
Deshayes, D. uncinata , Hesse, /). pinnigera , Hesse, 7). armo- 
ricana , Hesse, and D . confluens , Hesse. 
111. Doto cuspidata , Aid. & Plane. 
Shetland (A. M. A.). 
Genus Hancock ia, Gosse, 1877 
= Go via, Trinchese, 1886*. 
Bergh thus defines this interesting genus 
“ Margo frontalis utrinque digitatus ; rhinophoria quasi ut 
* Trinchese, “ Kiclierche anat. sul genere Govia ” (Mem della It. Acc. 
delle Sc. dell’ Instituto di Bologna, s, 5, vol. vii. pp. 183-101, pi. 
