88 CATALOGUE OF THE INSECTS OP 



2. Ph. corticalis, Grav. 



Erichso7i, Gen. et Spec. Staph., 77. — Steph. Manual, No. 

 2775. — Aleocliara corticalis, iS'^ep/i. Illust.,Mand.yy., 127. — 

 Aleocliara teres, Ih. I.e., v., 117. 

 Under the bark of Scotch pine, on Whitsun Bank hill, in 

 July.—/. H. 



169. Tachyusa, Erichson. 



1. T. coNSTRiCTA, Evich. 



Erichson, Gen. et Spec. Staph., 70. — Steph. Manual, No. 

 2772. 

 Not unfrequent. On the Till, below Weetwood Bridge, in 

 July.— e/. H. 



It runs about in the sunshine, on the fine sandy mud, with 

 extreme celerity, carrying its abdomen curved upwards. 



2. T. CCERULEA, Sahlherg. 



Erichson, Gen. et Spec. Staph., 76. — Aleochara coerulea, 

 Sahib. Ins. Fenn., i., 351, — Ischnopoda chalybea, Rudd, 

 Steph. Manual, No. 2767. — Tachyusa chalybea, Erichson, 

 Gen. et Spec. Staph., 916. 

 With the preceding, on the banks of the Till. — J. H. 

 I do not observe blue tints on the legs, but in other respects 

 Sahlberg's description agrees well with the specimens. I possess 

 a German type of Erichson's species. 



3. T. FOVEOLATA, Lcach. 



Aleochara foveola, Steph. Illust., Mand., v., 124. — Tachyusa 



umbratica, Erichson, Gen. et Spec. Staph., 73. 



Beneath decaying sea-weed, at Embleton Bay, Shoreston, South 



Shields, Marsden, and Hartlepool, and under rubbish in the 



Ravensworth woods, and above Swalwell. — J. H. March and 



April. 



I have examined both German and French specimens of T. 

 umbratica, with which our specimens entirely agree. 



4. T. uviDA, Erich. 



Nigra, subnitida, antennis pedibusque fuscis; abdomine 

 linear i; minus subtiliter punctato, thorace subquadrato 

 fronteque late canaliculate. Long. 1^ lin. 



