ORCHESTIA MEDITERRANEA. 
35 
since we are enabled to trace it along the coasts of the 
Mediterranean (according to Edwards, Costa, and Lucas) 
to the shores of the Crimea (Rathke). 
The following vignette of Caswell Bay is from the 
pencil of our friend Mr. Lewis Dillwyn, M.P. for Swan- 
sea. Caswell Bay is of a similar character to, and only 
separated by a ridge of mountain limestone from, Lang- 
land Bay, where the species was first taken. 
o 
D 
