NEW BRITISH SPECIES NOTICED IN 1856. 77 



peculiar facies, happily conveyed by our artist, at once dis- 

 tinguish it. 



22. Het^rius sesquicornis, Preyssler. Fig. 7. 

 Mister sesquicornis, Preyssler in Mayer, Sammlung 



Physikalischen Aufsatze, ii. 3, Tab. 3, fig. 26 (1792), 

 teste Schmidt. Goebel in Ent. Zeit. Stett. xiv. 164 

 (1853). Jlister quadratus, Kugelan in Schneider, 

 Mag. Pt. iv. 529, 21 (1794) ; Payk. Mon. Hist. 96, 

 Tab. xi. fig. 3(1811); Sturm, Deutschl. Faun. Ins. 

 i. 216, Tab. 17, fig. B. (1805). Hetcerius qua- 

 dratus, Erich., Kaf. d. Mark Brand, i. 666(1839); 

 de Marseul, Ann. Ent. Soc. Fr. Ser. 3, iii. 140, Tab. 

 9, fig. 28 (1855) ; E. W. Janson, Proc. Ent. Soc. 5 

 May, 1856, Zool. 5151 (1856). 

 Found by myself at Hampstead, in nests of Formica flava 

 and fusca, beneath stones on a loamy hedge-bank having a 

 western aspect, in 1848 and again in 1856, where I re- 

 peatedly and assiduously searched for it during the inter- 

 vening years, but without success. 



Observation. Neither Paykull's nor Sturm's figures re- 

 present the antennae correctly. 



23. Saprixus piceus, Payk., Gyll., Erich., de Marseul, 

 Ann. Ent. Soc. Fr. Ser. 3, iii. 505, Tab. 19, fig. 120 

 (1856). Hister jnceus, Payk. Mon. Hist. 81, Tab. 

 vii. fig. 7(1811). 



A single indigenous example only, taken by Mr. Water- 

 house, last November, in a nest of Formica rufa, near 

 Erith, has come beneath my notice. Stephens's description of 

 Dendrophilus jriceus, Illustr., Mand. iii. 160, 5(1830),, 

 Manual, 152, 1226 (1839), is copied from Gyllenhal, the 

 Latin diagnosis verbatim, but the insect placed to represent 

 this species in his cabinet is very distinct and answers in no 

 respect to the description, save perhaps in colour. The spe- 



