A SINGULAR DWELLING. 49 



mates, this effect being produced by a very fine granulation of 

 the elytra. There are more than thirty known British species 

 of this o-enus. 



The mandible of a Harpalus, with its bold scoop towards the 

 point, is shown at Fig. c^ of the same illustration, and the 

 maxillary palpi at e. The species from which these specimens 

 were taken is Hai'palus riijicornis. 



Proceeding with our list, we take an example of another 

 genus, a Beetle having the somewhat strange title of Steno- 

 lo2yhus Sh'imshiranus. The principal mark to distinguish this 

 genus from the preceding is that the notch of the mentum is 

 without the lobe, which is to be seen in that of Harpalus. 

 The species of this genus mostly inhabit wet and marshy places, 

 such as under stones on the banks of ponds, ditches, and 

 sluo-uish streams. The colour of this Beetle is dull reddish- 

 brown, darkening into blackish-brown towards the apex of the 

 elytra, which are regularly striated. There is a slight groove 

 along the centre of the pale brick-red thorax, which has also a pit 

 on either side of the base. The head and the under surface 

 of the body are pitchy-black. This species is mostly found 

 in Norfolkshire, and derives its specific name from the ento- 

 mologist who sent a specimen of it to its describer, Mr. J. F. 

 Stevens. 



On Woodcut No. V. Fig. 1, is given a much enlarged figure of 

 a very small Beetle called jEpys marinus, an insect which is 

 on an average less than the twelfth of an inch in length. In this 

 gentis only the two basal joints of the front tarsi are dilated in 

 the male insect, and they are rather triangular in shape. The 

 fourth joint of the same tarsus is armed with a strong spine. 

 The parts of the mouth and head are very remarkable, and are 

 therefore drawm in the same illustration. Fig. a represents the 

 maxillary palpi, and b the labial palpi ; c is the labium, d the 

 right mandible, showing its curious notches or dentations, and 

 e the antennji. 



This insect is the least of the Harpalidaj, and, partly from its 

 small dimensions, and partly from its habits, is not often seen, 

 except by those who intentionally look for it. It is one of the 

 maritime Beetles, but carries its love for salt water farther 

 than almost any other insect, inasmuch as its favourite haunt is 



E 



