NORTHUMBERLAND AND DURHAM. 59 



RHIZOPHAGUS, Herbst. 



1. R. depressus, Fab., 1. c. 



2. R. cribratus, Gryll., 1. c. VI., 230. 

 Rare. Houshel and Hartford Bridge. 



3. R. ferrugineus, Payk., 1. c. I., 85. 



4. R. parcdlelocollis, Gryll., Nat. Hist. Trans. I., 133. 

 On the walls and tombstones of grave-yards. Not rare. 



5. R. dispar, Payk., Trans. CI. I., 86 ; R. cylindricus, 1. c. 85. 



6. R. bipustulatus, Fab., 1. c. 86; R. ntfus, var., 1. c. 85. 



7. R. cm-uleus, Waltl., 1. c. II., 275. 



Rare. Under the bark of alder, on the Derwent, Mr. J. Hardy. 



TROGOSITID^. 



TROGOSITA, Oliv. 



1. T. mauritanica, Linn., 1. c. I., 85. 

 Imported in rice, corn, and other substances. 



THYMALUS, Lat. 



1. T. limbatus, Fab., 1. c. 81. 

 Very rare. " Ravensworth," Mr. J. Hardy. 



COLYDIAD^. 



SARROTRIUM, III. 



1. S. clavicorne, Linn. ; S. muticum, 1. c. II., 196. 

 " Near Bamburgh Castle," W. C. Hewitson, Esq. 



ANOMMATUS, Wesm. 



1. A. 12-striatus, Mull., 1. c. III., 89. 

 A single specimen, taken at Morpeth, is in my collection. 



CERYLON, Latr. 



1. C. histeroides, Fab., I. c. I., 86. 

 Beneath bark. Ravensworth, and near Gilsland. Rare. 



