Messrs Leslie & Herdman on Invertebrata of Firth of Forth. 311 



We have dredged this species near Inch- 

 keith. 



Tritoniid^. 

 Tritonia homhcrgi (Cuv.). 



Firth of Forth {Flem., and Ed. Mus.); Firth 



of Forth, 30 fathoms (Metz. and Meij.). 

 T. ylebeia (Johnst.). 



Firth of Forth {MB). 



We have found this species at Elie. 



POLYCERID^. 



jEgirus punctilucens (D'Orb.). 



Shallow water, Firth of Forth {F. M. B). 

 Triopa claviger (Miiller). 



Shallow water, Firth of Forth (F. M. B.). 

 Polycera guadrilineata (MUller). 



Firth of Forth {M'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 (WB.); An- 



struther {K D. S. G.). 



We have found this species frequently at 



Elie, Wardie, and Aberdour, and have also 



dredged it. 

 Idalia aspersa (Aid. and Han.). 



Off the Bass Rock, 24 fathoms (Metz. and 



Mey.). 

 Goniodoris nodosa (Mont.). 



Between tide marks (F. M. B.). 



We found several specimens lately at low 



water mark, west of Aberdour. 



DOEIDIDiE. 



Doris tuberculata (Cuv.). 



Firth of Forth {M'B., and Ed. Mus) ; be- 

 tween tide marks {F. M. B.). 

 This species is common in the littoral zone. 



