222 ANNALS OF SCOTTISH NATURAL HISTORY 



CALATHUS MICROPTERUS, Duft. Carrbridge, Inverness-shire, 1890 

 (July), and at Moffat July 1890. 



CALATHUS PICEUS, Marsh. A single specimen, Moffat, July 1890. 



PRISTONYCHUS TERRICOLA, Herbst. A single specimen in my 

 lodgings at Thurso, 1892 (August). 



PATROBUS SEPTENTRIONIS, Dj. Two on Ben Nevis, 1891, about 

 1000 feet below summit (August). 



CYMINDIS VAPORARIORUM, L. One under a stone, Carrbridge, 1890 

 (July). 



HYDRADEPHAGA. 



CCELAMBUS NOVEMLINEATUS, Steph. A single specimen in tarn, 

 Dunnet Head, Caithness, 1892 (August). 



HYDROPORUS PLANUS, F. ; H. ERYTHROCEPHALUS, L. / H. PALUSTRIS, 

 L. (with very dark varieties) ; H. NIGRITA, F. ; H. MEMNONIUS, 

 Nic. ; H. GYLLENHALII, Schiodte. All from tarns in the neigh- 

 bourhood of Thurso, 1892 (August). 



AGABUS ARCTICUS, Payk. Abundant in a tarn near Dunnet Head, 

 Caithness (1892). 



AGABUS GUTTATUS, Payk. 



BIPUSTULATUS, L. 

 ,, CHALCONOTUS, Pz. 



NEBULOSUS, For st. 



ACILIUS SULCATUS, L. 

 COLYMBETES FUSCUS, L. 



RHANTUS EXOLETUS, Forst. 



All occurred more or less commonly 

 in ponds or tarns near Thurso, 

 1892 (August). 



A. sidcatus, L., was quite the type 

 form. 



PALPICORNIA. 



LIMNEBIUS TRUNCATELLUS, Thorns. Common in water-channels on 

 moors near Thurso, August 1892. 



BRACHELYTRA. 



TACHINUS PROXIMUS, Kr. \ These species were common on the 

 LATICOLLIS, Grav. ) cliffs at Thurso in August 1892. 



By mistake proximus was named " pallipes " in notice given in 

 "Ent. Mo. Mag.," June 1893. 



QUEDIUS UMBRINUS, Er. Very common on the shore at Thurso, 

 1892, under little stones (August). 



QUEDIUS SEMI^ENEUS, Steph. One at Thurso, 1892 (August). 



CAFIUS XANTHOLOMA, Or. ~) ^ . .... 



f Common in same localities as above, 



OCYPUS BRUNNIPES, F. > , o / A 



~, ' ( Thurso, 1892 (August). 



MORIO, Grav. ) 



