332 
GAMMARJDiE. 
sent to us by Mr. Loughrin, who took it at Polperro. 
Not having then seen the type of the species it was 
described by us under another name ; but more recently 
we have taken advantage of an opportunity to examine 
the original specimen, and no doubt is left on our 
minds that the British form is identical with that found 
on the coast of France, described by M. Edwards. 
The following vignette represents an incident in the 
pursuit of science that befell one of the authors near 
the Lizard Point, Cornwall. 
