76 MANDIBULATA. — COLEOPTERA. 



piceous : legs rufo-testaceous, with the femora beneath, and the base of the 

 tibia?, especially the posterior, dusky. 

 The spot on the margin of the elytra is sometimes divided in two. 



Not very common near London ; more frequent in distant parts, 

 especially in Glamorganshire ; and I believe not uncommon in Nor- 

 folk. " Dartmoor and Bristol." — Dr. Leach. " Bishop's Castle, 

 Salop, and in brooks near Hampstead." — Rev. F. W. Hope. " Rare 

 in Cambridgeshire; a single specimen met with near Bottisham." 

 — Rev. L. Jenyns. " Wandsworth-common, and Epping-forest." — 

 Mr. Ingpen. " GlanvnVs Wootton."— </. C. Dale, Esq.—" In 

 profusion near Kimpton." — Rev. J. T. Rudd. 



Sp. 23. chalconotus. Oblongo-ovatus, nigro-asneus, depressus, subtilissime reti- 

 culato-strigosus, thoracis lateribus pedibusque rufo-piceis. (Long. corp. 4lin.) 

 Dy. chalconotus. Illiger. — Co. chalconotus. Steph. Catal. p. 50. No. 503. 



Oblong-ovate, brassy-black, depressed, very finely reticulate- strigose : head, 

 with the mouth, and edge of the forehead, ferruginous, with two transverse 

 rufous spots on the crown : thorax, posteriorly, slightly waved; rather convex, 

 with the lateral margin more or less reddish-pitchy : elytra oblong-ovate, sub- 

 depressed, immaculate blackish-brass, the lateral margins piceous ; on the sides 

 are three rows of scattered impressed dots, most abundant towards the apex : 

 body pitchy-black beneath : four anterior legs pitchy-red, the posterior pitchy- 

 black. 



Var. /3. With the abdomen and legs rusty-red, the margins of the thorax 

 pitchy-red. 



Extremely common in the spring, in ponds and ditches, round 

 London : also found in Norfolk, Suffolk, and near Swansea. " York- 

 shire." — Dr. Leach. " Netley, abundant." — Rev. F. W. Hope. 

 u Occurs occasionally near Bottisham, but is not plentiful." — Rev. 

 L. Jenyns. 



Sp. 24. montanus. Oblongo-ovatus, nigro-ceneus, subdepressus, subtilissime 

 coriaceus, thoracis lateribus concoloribus, pedibus nigro-piceis, elytris vix 

 striatis. (Long. corp. 3 lin.) 



Co. montanus. Leach MSS. — Steph. Catal. p. 50. No. 504. 



Oblong-ovate, brassy-black, somewhat depressed, finely coriaceous : head as in 

 the last species, but the transverse spots on the crown obsolete : thorax scarcely 

 waved posteriorly, rather convex, immaculate brassy-black : elytra oblong- 

 ovate, rather depressed, immaculate brassy-black, the lateral margin obscurely 

 piceous, the disc with three scarcely visible punctate striae : body beneath 

 pitchy-black, with the margins of the abdominal segments rufo-ferruginous : 

 legs pitchy-black, the anterior palest. 



It appears to me that the above is a mere variety of Co. chalconotus, differing 



