18 A CATALOGUE OF THE INSECTS OF 



28. H. nigrita, Fab. ; Aube. ; Erichs. ; Scbaum, 1. c. ; H. 



glabellus, Tbonison, 1. c. IX., 80. 



Dr. Sbarp separates (1. c. 82) tbe old nigrita of our collections 

 into two species, giving tbe above synonyms. 



Having myself taken botb in some plenty in several widely 

 separated localities, always finding tbem in company, and in 

 nearly equal numbers, I cannot tbink tbem to be more tban 

 male and female of one and tbe same species. 



Tbey frequent small streams, wells, &c. : tbe runner from a 

 spring on tbe moors is a favourite locality. 



29. H. melanoccphalus, Gyll., Trans. CI. III., 88. 



On moors, &c. Not uncommon. Specimens in Mr. Hardy's 

 collection are from tbe summit of Cbeviot. 



30. H. elongatulus, Sturm. ; T. J. Bold, Ent. Mon. Mag. IV., 



284. 

 A male, taken by myself on a moor east of Lanercost, is tbe 

 only Britisb specimen known of tbis species. 



31. H. tristis, Payk., Trans. CI. II., 267. 

 Abounds in mossy boles on tbe moors. 



32. H. iimbrosus, Gyll., 1. c. 325. 

 Gosfortb. Somewbat rare. 



33. H. angustatus, Sturm., 1. c. I., 61. 



34. H. obseurus, Sturm., 1. c. II., 268. 



35. H. vittula, Er., 1. c. HI., 88. 



36. H. incognitas, Sbarp, 1. c. 84. 



Rare. I bave seen nine local specimens. 



37. H. jialustris, Linn., Trans. CI. L, 61. 



38. H. lineatus, Oliv., 1. c. 62. 



39. H. granularis, Linn., 1. c. II., 268. 



40. H. pictus, Fab., 1. c. I., 64. 



41. H. lepidus, Oliv., 1. c. 63. 



