NEW BRITISH SPECIES NOTICED IN 1858. 121 



Monotonia, no authors' names being appended to the species 

 nor any reference given to Stephens. 



1. Notiophilus substriatus, Waterhouse, Cat. Brit. Col. 

 4 (1858). 

 Notiophilus suhstriatus, Waterhouse, Ent. Mag. i. 211, 



17 (1833). 

 Notiophilus punctulatus, Wesmael, Bullet, de l'Acad. 

 de Bruxell. ii. 22 (1835) ; Fairm. et Laboulb. Faune 

 Ent. Frang. i. 9, 3 (1854) ; Schaum, Naturg. d. Ins. 

 Deutschl. i. 65, 4 (1856). 

 Notiophilus semipunctatus, var. y, Dawson, Geod. Brit. 

 55, 4 (1854), excluding N. nitidus and biguttatus, 

 Waterhouse, which, judging from the original descrip- 

 tions, cannot be synonymous with the insect now 

 under consideration. 

 Distinguished from N. biguttatus, F. {semipunctatus, F., 

 Dawson, but with regard to which it is perhaps most ad- 

 visable to adopt the course pursued by Dr. Schaum and 

 followed by Mr. Waterhouse, and to reinstate the specific 

 title biguttatus, F., since the description thereunto appended 

 suits the ordinary phase of the species, whilst that given 

 under semipunctatus applies to a form of comparatively rare 

 occurrence) by the parallel frontal sulci, the fine striae on 

 the posterior part of the head immediately behind the eyes ; 

 by the longer, narrower, and more parallel elytra ; by the 

 interstices between the suture and the first, and between tire 

 second and seventh striae, being exceedingly finely chagrined, 

 imparting an opaqueness to those parts, which contrasts 

 strongly with the broad glabrous space between the first and 

 second striae ; moreover in semistriatus the spaces between 



