Messrs Leslie & Herdman on Invertehrata of Firth of Forth. 213 



shells. We have also taken it at low- 

 water on Cramond Island. 

 Alcyonidiiim hirsutum (Flem.). 



On Fucus serratus, Firth of Forth {M'B) ; 

 Entrance to Firth of Forth, 30 fathoms 



We dredged this species last summer off 

 Aberlady Bay in 9 fathoms. 



A. 7nytili (Dalyell). 



We have taken this species in the Firth. 



A. parasiticum (Flem.). 



Firth of Forth {M'B) ; Firth of Forth 

 {Ed. Mus.) ; entrance to Firth of Forth, 

 30 fathoms ; Firth of Forth, 24 fathoms ; 

 Bass Eock, 24 fathoms {K). 

 We have obtained this species north- 

 east of Inchkeith, 12 fathoms ; west of 

 Inchkeith, 5 fathoms; off Aberlady Bay, 

 9 fathoms ; Kirkcaldy Bay, 9 fathoms ; 

 off Aberdour, 5 fathoms; and frequently at 

 Newhaven. It is common in the Firth. 



A. polyoum (Hassall). 



Firth of Forth {M'B.). 



The Sarcochitiim pohjoum of Johnston 



and others. 



FLUSTRELLIDiE. 



Flustrella hisjnda (Fabr.). 



On Fucus serratus, Firth of Forth (JIPB.). 

 Common on Fucus at low water mark, 

 Aberdour. 



VESICULARIIDiE. 



Vesicidaria spinosa (Linn.). 



Firth of Forth {M'B)-, Leith shore {D. 

 Landsb.,ju7i). 



We have dredged this species in abund- 

 ance west of Inchkeith in 5 fathoms, and 

 have obtained it frequently from the 

 dredges at Newhaven. It is often found 



