lOG 



EE. Subsutural elytral stria continuous 



with fourth dorsal ... ... ripicola, Mars. 



DD. T'rosternum devoid of marginal .strijij. 



E Front tib;;e with five teeth externally ... irimis, Mars. 

 P]E. Front tibiic with only four teeth 



externally ... ... ... oiridipennis, Lewis.- 



CC. Elytra having no (or scarcely a trace of a) 



subsutural stria (O^athoncus) ... intisus, Er. 



BP. Head with a frontal carina (Hyp caccus) 

 C. External hubhuuieral stria of elytra wanting. 



D. Humeral stria of elytra bifid behind ... piscarius, Blackb. 

 DD. Humeral stria of elytra not bifid behind .sinrf, Marp. 

 CC. External subhumeral stria of elytra well 



defined and deep ... ... ... cer nidus, B\a.ckh. 



S. tyrrJieiius, sp. nov. Nitidus ; obscure purpureus, antennis- 

 pedibusque obscure brunneis ; capite Isevi, stria frontaU 

 Integra ; prothorace trans verso, supra in disco Isevi (latera 

 versus, sed a margine sat procul, fortiter vix crebre punc- 

 tulato, area punctulata postice fortiter abbreviata), stria 

 marginali integra ; elytris pone humeros sat fortiter dilata- 

 tis, in parte dimidia (vel etiam plus quam dimidia) postica 

 subtilius vix crebre punctulatis, striis dorsalibus 1 — 3 elytra 

 media fere attingentibus (4=' ut arcus brevis basalis visa), 

 stria suturali antice abbreviata, humerali ultra medium 

 interrupte extensa, subhumerali brevi basali, interstitiis 

 Isevissimis ; pygidio modice convexo, subtilius sat crebre 

 aequaliter punctulato ; prosterno sat piano, stria marginali 

 integra ; mesosterno fortiter transverso, stria integra ;. 

 sternis (sutura crenulata excepta) laevibus ; tibiis anticis 

 extus 5-dentatis, dentibus superioribus 2 parvis (inferioribus 

 3 magnis acutis). Long., 2 1.; 1^ 1. 



This small species in the striation of its elytra resembles 

 S. cyanelhis, Mars., near which would be its place in De Mar- 

 seul's tabulation referred to above, but from which it differs, 

 inter alia, by the extremely nitid and punctureless interstices of 

 its elytra and by the vt ry different armature of its front tibiae. 



N.S. Wales ; Tolarno (Miss Carnie). 



S. westraiienms, sp. nov. Nitidus ; obscure viridis, antennis 

 pedibusque brunnescentibus ; capite obsolete punctulato, 

 stria marginali integra; prothorace transverso, supra in 

 disco l^evi (latera versus, sed a margine sat procul, fortiter 

 vix crebre punctulato, area punctulata postice fortiter 

 abbreviata), stria marginali integra ; elytris pone humeros 

 rotundato-dilatatis, in parte dimidia (vel potius minus quam 

 dimidia) postica subtilius sat crebre punctulatis, striis dor- 

 salibus 1 — 2 elytra media attingentibus (3'' paullo breviori, 

 4"" ut arcus brevis basalis visa), stria suturali antice abbre- 

 viata, humerali ultra medium extensa, subhumerali brevi 



