474^ COLEOPTEROUS INSECTS FOUND IN 
summer by Mr James Staek, in the ditches near Craig- 
crook. It likewise occurs in Dumfries-shire. 
Gen. Helophorus. 
H. aquaticus, Steph. Silpha aquatica, Linn. Hydro'ph, 
stagnalis. Marsh. 
The most common insect of the family, abounding in 
every pond and ditch throughout the country. Water -of- 
Leith, to the west of Edinburgh, where it has been ob- 
served on the wing as early as the middle of March. 
H. granulans, Steph. 
Frequent in ponds and marshy places. Braid Hill 
marshes. Duddingston, &c. 
H. griseus, Samou, Steph, Hydroph. afflnis^ Marsh. 
With the others, not rare. 
H. fennicus, Samou. Steph, Hydroph. cinereus. Marsh. 
In marshes, occasional. Braid Hill marshes. Pentland 
Hills. 
H. nubilus, Samou, Steph, Hydroph. nubilus, Marsh. 
Frequent in marshes. Braid marshes, &c. 
Fam. HYDROPHILIDiE. 
Gen. LiMNEBius. 
L. truncatellus, Steph. 
Not unfrequent in shallow stagnant water. It is usually 
found among the mud, or adhering to the submerged stemSj 
and roots of plants. Braid Hill marshes. Pool in an old 
quarry by the side of the road to Collinton, opposite Craig- 
lockhart. March — September. 
