102 THE INVERTEBRATE FAUNA 
DENDRONOTIDA. 
Dendronotus arborescens (O. F. Miill.). 
Firth of Forth (B., and Dr Grant). 
We have dredged this species near Inch- 
keith. 
TRITONIIDA. 
Tritonia hombergi (Cuv.). 
Firth of Forth (Flem., and Ed. Mus.); Firth 
of Forth, 30 fathoms (Metz. and Mey.). 
T. plebeia (Johnst.). 
Firth of Forth (‘B.). 
We have found this species at Elie. 
POLYCERID&. 
Aigirus punctilucens (D’Orb.). 
Shallow water, Firth of Forth (7. JZ B.). 
Triopa claviger (Miiller). 
Shallow water, Firth of Forth (7. . B.). 
Polycera quadrilineata (Miller). 
Firth of Forth /‘B.). 
P. lessoni (D’Orb.). 
We dredged this species on the oyster 
bank last summer in 5 fathoms. | 
Ancula cristata (Alder). 
Off Seafield, March 1857 (/B.); An- 
struther (H. D. S. G). 
We have found this species frequently at 
Ele, Wardie, and Aberdour, and have also 
dredged it. 
Idalia aspersa (Ald. and Han.). 
Off the Bass Rock, 24 fathoms (Metz. and 
; Mey.). 
Goniodoris nodosa (Mont.). 
Between tide marks (Ff. . B.). 
We found several specimens lately at low 
water mark, west of Aberdour. 
