NORTHUMBERLAND AND DURHAM. 13 



MFYS, Leach. 



1. JE. marinus, Strom. ; 2E. fulvescens, 1. c. II., 260. 



2. M. Robinii, Lab., Faune Franc. I., 151 (Trechns). 



Very local, and confined to the sea coast. Both species occur 

 in company. 



BEMBIDIADES. 



CILLENUM, Cust. 



1. C. laterale, Sam., Trans. CI. I., 55. 



TACHYS, Zieg. 



1. T. Fockii, Hum., 1. c. VI., 225 ; Nat. Hist. Trans. I., 315. 



2. T. quadrisignatus, Duft., Nat. Hist. Trans. I., 83 ; 1. c. 318. 



3. T. bistriatus, Duft. ; Schaum, 1. c. 745 ; B. scutellare, 



Trans. CI. IV., 54. 



All taken on the margins of the pools on the sands near South 

 Shields. Single specimens only of the two last have occurred. 



I omit B. incurvum, Trans. CI. II., 266, which no longer exists 

 in Mr. Hardy's collection. 



BEMBIDIUM, Lat. 



1. B. obiusum, Sturm., Trans. CI., II., 266. 



2. B. quinquistriatum, Gyll., 1. c. 



3. B. rufescens, Guer., 1. c. 



4. B. biguttatum, Fab., 1. c. 265. 



5. B. (Biieum, Germ., 1. c. 266. 



Very rare on the sea coast, but plentiful inland in damp places 

 on the banks of pools, streams, &c. 



6. B. guttula, Fab., 1. c. 



7. B. Mannerheimii, Sahib., Nat. Hist. Trans. I., 131. 

 Rare. Amongst leaves at Grosforth. I also took it at Tain, 



Ross -shire. 



8. B.femoratum, Sturm., Trans. CI. II., 264. 



