HYDR0F0RUS. 67 



head with a bilobed black spot, or 2 dots behind ; thorax with hinder edge 

 dusky or black in the middle ; elytra with the suture and 4 parallel lines 

 black, the base in $ with 6, and in <j> with 4 punctate striae ; legs dull- 

 red. (L. 2\ 1. ) London district; Norfolk; Suffolk; Devons. ; Swansea ; 

 Southend ;" Weyhill, &c. : 3-7. 



509 dorsalis Fab. E. i. 269. — Pz. F. xiv. f. 2. — Ste. M. ii. 53 Oblong- 

 ovate ; rather flat ; pubescent ; pitchy-red ; thorax transversely impressed, 

 its sides, and sometimes a broken band behind, dull-red ; elytra with a dot 

 at the base, and the sides irregularly dull-red ; legs and base of antennae 

 dull red. The red markings are at times nearly obliterated. (L. 2-2f 1.) 

 London district ; Ely ; Netley, &c, i 3-7. 



510 opatrinus DeJean.? — Ste. M. ii. 192. — Oblong-ovate; black; rather 

 pubescent : thorax slightly cordate, with a bent transverse impression, the 

 edges punctured ; elytra irregularly punctured on the disc, which has 

 several slightly elevated lines; legs and antennae pitchy-black. (L. 2| 1.) 

 Netley, and near London : 7. 



511 latus Rudd. — Ste. M. ii. 192. — Hy. ovatus, Stu. D. F. ix. pi. 207. 

 f. c. ? — Flat, ovate ; broad ; black ; coarsely punctured : head behind 

 and lateral margins of the thorax dull-red ; disc of the latter with an ob- 

 scure transverse elevation ; elytra transversely pitchy-rust-colour at the 

 base, the outer margins, legs and antennas pitchy. (L. 2^-2^ 1.) Marton ; 

 Hebden-bridge ; Dorset, &c. : 5-7. 



512 alpinus Pk. F. i. 226. — Ste. M. ii. 54. pi. xi. f. 5. — Oblong-ovate; 

 slightly flattened ; pitchy-black ; above pale, glabrous : thorax somewhat 

 4-drate, with 2 interrupted black lines on the disc, bounded with a deep 

 striola on each side ; elytra rather acute, the suture and about 8 lines 

 black ; the latter united by a black patch towards the scutellum ; and in 

 some cases confluent. (L. l^-lf 1. ) Mountain districts in Devon and 

 N. of England; Tweed; Teviot, &c. ; Netley: 5-7. 



513 borealis Gyll. iv. 586. — Ste. M. v. 391. — Oblong-ovate; black; 

 above testaceous-yellow : crown with a black crescent on each side ; thorax 

 punctured throughout, except an impunctate line on each side; elytra rather 

 acute, with black (sometimes confluent) lines. (L. 1^-2. 1.) Scotland: 7. 



514 Davisii Cur. viii. f. 343. — Ste. M. v. 391 Somewhat ovate; broad; 



black ; above testaceous-yellow : crown with 2 black crescents behind ; 

 thorax with an impression on each side at the base, which last is more or less 

 varied with black; elytra with 6 somewhat united black lines; and 2 

 lateral spots; legs pale; tips of tarsal joints black. (L. 2-2^1.) Heb- 

 den-bridge, in plenty : 5-7. 



515 palustris L. ii. 667. — Hy. 6-pustulatus Ste. M. ii. 54. — Dy. 

 lituratus Pz. F. xiv. f. 4. — Oblong-ovate, rather depressed, black, 

 slightly pubescent : head, sides of the thorax, and the legs red ; elytra 

 punctate, pilose, the outer edge, and 2 submarginal spots pale-red : the 

 latter sometimes obliterated. (L. lf-2. 1.) 



Var. ? Hy. proximus Wilkin. — Ste. M. ii. 55. — Elytra with a pale curved 

 spot towards the base alone. In profusion in the S. of England : >jc. 



516. Cambriensis Davis. — Ste. M. v. 392. — Oblong ; pubescent ; dull- 

 black ; thickly punctured : head rusty, with 2 oblique black lines ; thorax 

 with the sides pale ; elytra with a pale lateral line incurved at the base and 

 apex. (L. 2 1.) S. Wales and Devon: 5-6. 



517 tristis Pk. F. i. 232. — Ste. M. ii. 55. — Stu. D. F. ix. pi. 209. f. D. 

 — Oblong-ovate, rather depressed ; sparingly punctured ; black : head 

 large, pitchy-red, with a dusky patch between the eyes ; elytra pitchy-red 

 or fuscous, slightly pilose ; legs dull-red ; antennae darker, with the base 

 reddish. (L. 1^-Hl.) Kensington Gardens, &c. ; near London : 5-6. 



