APPENDIX. 399 



Page 117. Sp. 4 Hyd. riparia. Kugdlan. — Aira, nitida, sublinearis, capite 

 subelongato, inter oculos profunde punctato, thorace dense punctato, sulco longi- 

 iudinali utrinque ; elytris p'iceo-h7'unneis lineari elongatis, distincte punctato- 

 striatis ; antennis palpis pedibiiscjue piceis. (Long. corp. \\ — 1| lin.) 



Somewhat linear; shining black ; head rather elongate, punctate between the 

 eyes, the latter not very prominent ; thorax thickly punctured, with a lon- 

 gitudinal groove on each side towards the margin ; elytra linear-elongate, 

 pitchy, distinctly punctate-striate ; antennae, palpi, and legs pitchy. 



Found near London, and Hebden Bridge, Yorkshire. 



Page 117. Sp. 5. Hyd. melanocephala. Ent. Mag. v. i. p. 294. — Steph. Nomen. 

 Qd edit. col. 21. — Testacea, capite nigro-piceo, profunde punctato; thorace 

 brevissimo lateribus dense punctatis,foveis quatuor impressis; elytris latioribus, 

 ovatis, leviter punctato-striatis ; antennis pedibusque pallide testaceis, paJpis 

 testaceis, apicibus nigris. (Long. corp. 1 Utk) 



Rather broad, testaceous ; head black, deeply punctured ; thorax very short, 

 with the sides densely punctured, and with four impressed points, on the 

 disc; elytra rather wide, ovate, delicately punctate-striate ; antennae and 

 legs pale testaceous ; palpi testaceous, with the tips black. 



Taken near Netley and near London. 



Page 117. Sp. 6. Hyd. concolor. Ent. Mag. {Waterhouse) v. i. p. 292. — 

 Steph. Nomen. 2d edit. col. 21. — Sublinearis, pallide testacea, capite inter 

 oculos punctato ; thorace lato dense punctato ; elytris elongatis, manij'este 

 punctato-striatis. (Long. corp. 1| 1 n.j 



Somewhat linear; pale testaceous; head rather small, punctate between the 

 eyes, the latter not very prominent; thorax broad, densely punctate; elytra 

 elongate, distinctly punctate-striate. 



Found at Hebden Bridge. 



Page 117. Sp. 7. Hyd. pulchella. Midler. — Germ. Ins. Nov. i. 94. — Steph. Nomen. 

 2d edit. col. 21. — Sublinearis, nigra, thoracis margine antico posticoque piceis, 

 disco obsolete canaliculato, sulco utri7ique impresso ; elytris oblongo-ovafis, 

 punctato-striatis piceis, ante7i?iis pedibusque piceis. (Long. corp. 1^ lin.) 



Somewhat linear, black ; thorax with the anterior and posterior margins 

 pitchy, with disc with an obscure charu;el, and a longitudinal groove on 

 both sides; elytra oblong-ovate, pitchy, punctate-striate; antennas and legs 

 pitchy. 



Found, but rarely, near London. 



Page 117. Sp. 8. Hyd. nigro-picea. Ent. Mag. v. i. p. 294. — Steph. Nomen. 

 2d edit. col. 21. — Piceo-nigra, capite dense punctato; thorace hrevi, dense 

 jmnctato, foveis 4 impressis, elytris oblongo-ovatis, subtruncatis, punctato^ 

 striatis, striis subconflueniibus, antennis pcdibus, palpisque rujo-testaccis. 

 (Long. corp. 1 lin.) 



Pitchy-black ; head densely punctate ; thorax short, also densely punctato, 

 with four larger impressions; elytra ol)long-ovatc, sul)Lruncatc al the apex. 



