10 LEPIDONOTUS LORDI. 



an inch broad. The colour is of a light brown, 

 a broad line of a much darker brown running 

 along the whole length of the centre of the back. 



On the under-surface a groove runs down the 

 centre of the body throughout its whole length. 

 The elytra are thirty-five pairs in number, thin, 

 membranous, and of a light-brown colour. The 

 two first overlap each other slightly in the 

 middle, but for the rest of its length, the centre 

 of the back is uncovered. The antennae are five 

 in number the central one short, of much the 

 same length as the internal ones ; the two ex- 

 ternal the longest, white, with a bright black 

 ring round the upper part, but leaving the point 

 white, which is acute at the apex. The feet are 

 tolerably stout, and the two divisions are both 

 furnished with sharp, but curved, pointed bristles. 

 The superior cirri are white and of a moderate 

 length, the inferior ones very short. 



A good many specimens of this species were 

 taken, and they were all found nestling under 

 the shell, and occasionally coiling themselves 

 under the foot, of the animal of Fissureila 

 cratitia. 



The Keyhole Limpet, I may briefly state for 

 the benefit of the unlearned in shellfish, is a 

 gasteropodous mollusc, belonging to the family 



