PLATE LXXVL 
propriety in naming it the Jura Sucker, and therefore calls it the 
Cornish Sucker, (Cyclopteras Cornubicus J in allusion to its original 
discovery on the coast of Cornwall : in every other particular Dr. 
Shaw has too implicitly acquiesced to the descriptive detail of Pen- 
nant, the substance of which it will not be improper to transcribe in 
this place previous to entering upon the history of this fish. 
“ Its length is about four inches. The skin without scales, slip- 
pery, and of a dusky colour. The body taper. The nose grows 
slenderer from the head, and ends round.” 
“ The teeth small. Before each eye is a small filament. Behind 
the eyes are two semilunar marks. 
“ In the middle of the back an oval mark formed by small dots of 
a whitish colour. The dorsal fin lies near the tail, and consists of 
eleven rays. The tail is rounded. The ventral have four rays, are 
joined by an intervening membrane with an oval depression in the 
middle. Beyond that is another strong membrane with a similar 
depression. By means of these instruments it adheres to stones or 
pocks.” Penn. Brit. Zool. v. 3. p. 137. 
Early in the month of February last, through the politeness of a 
very valuable correspondent, G. Montagu, Esq. of Kingsbridge, De- 
vonshire, we were enabled to correct several errors in the above 
description. Mr. Montagu, before this time, had taken an opportu- 
nity of describing this as a plentiful species on the rocks of Milton on 
the coast of Devonshire, in an interesting miscellaneous paper in- 
serted in the seventh volume of the Transactions of the Linnean 
Society of London: the observation induced us to request the favour 
