I899-] 



Foslie. — A Visit to Roundstone in April. 



177 



the specimens on the bank consisted of fragments partly 

 dead, partly producing new branches, showing that this part 

 of the bay is much exposed. 



Farther up (station 2) we met with larger specimens of the 

 same forms, and here the specimens were less broken into 

 fragments, the depth being about 3 fathoms. 



At station 3, in a depth of about 1-2 fathoms, we brought, 

 up a few specimens of the same forms previously dredged, but 

 a great number of another and larger species, which apparently 

 seemed to be what hitherto has been considered a form of 

 L. calcareuni, but appears to be more nearly related to 

 L. fasciculatum. 



Fig. 1. A Pi,an of Roundstone Bay. 



At station 4 the Lithotham?iia were very local, but here we 

 met with much larger forms, and partly agreeing with the 

 last mentioned from station 3, partly fully agreeing with 

 typical L. fasciculatum, Harv. Besides we found a few 

 specimens as at station 1 and 2. Also here we met with a 

 form no doubt that figured by Harvey as a variety of 



A3 



