PLATYSOMA. 153 



a. — Ste. M. iii. 161. — Oblong, flattish; pitchy-black; delicately punc- 

 tured : thorax and elytra with the lateral margins almost parallel ; base 

 of the latter with 1 or 2 faint stria? ; apex pitchy ; legs and antenna? 

 pitchy-red; anterior tibia? slightly denticulated. (L. 11.) Under bark : 

 Norwich ; Swansea ; Bristol ; Camberwell : 6. 



1230 eomplanatus Pk. M. IT. 105. pi. 8. f. 7. ? — He. picipes var. ? Ste. 

 M. iii. 161. — Pitchy-black : thorax margined; very smooth; elytra 

 punctulated, base not striated ; legs and antenna? pitchy ; tibia? simple, 

 anterior slightly dilated. (L. 1 1.) Boleti : near Bristol ; London: 6. 



223 Platysoma Leach. 



1231 frontale Pk. M. IT. 44. pi. ix. f. 8. — Oval, flattish; black: lateral 

 margins of the thorax, head, and abdomen, rather deeply punctate ; disc 

 and elytra very smooth, the latter with a very short sutural stria near the 

 apex, 2 longer ones, extending forwards to about the middle, and 3 entire 

 ones; legs' dull pitchy ; club of antenna? rusty. (L. 1^1.) Under bark, 

 near London : 6. 



1232 depressum Fab. E. i. 91. — Pz. F. lxxx. f. 6. — Ste. M. iii. 162. — 

 Deep glossy black : thorax finely punctured on the sides ; elytra smooth, 

 with 3 entire stria? on the outer edge, and 2 short ones at the apex 

 towards the suture, the inner one sometimes wanting : legs pitchy ; antenna? 

 rusty. ( L. 1^1.) Under bark of oaks, near London ; in Norfolk and 

 Swansea : 5-6. 



1233 oblongum Fab. E. i. 92. — Pk. M. 93.' pi. x. f. 3. — Ste. M. iii. 

 162. — Linear-oblong; flattish, shining black: lateral margins of the 

 thorax finely punctate ; elytra linear, with 6 stria?, the 3 inner ones ab- 

 breviated at the base: legs pitchy; antenna? rusty. (L. 1^ 1. ) Under 

 bark of beech, near Norwich and London : 6. 



§ 3. Stirps 2. LAMELLICORNES Latreiile. 



Fam. 27 Lucanidje. Ant. 10-jointed, geniculated ; club somewhat per- 

 foliated, or pectinated, consisting of 3 or 4 lamella? (or plates) : mand. in 

 $ large: legs, especially the anter., elongate; claws large, with a bifid 

 claw-like process between them. 



Fam. 28 Scarab^eidje. Ant. 9-jointed ; club large, 3-leaved : mand. mem- 

 branaceous : maxillae with membranaceous processes ; their palpi naked, 

 labial hairy : scutellum concealed : legs stout ; poster, remote ; tibia; broad, 

 dentate ; tarsi small ; claws minute. 



Fam. 29 Geotrupid^e. Ant. 11 -jointed; club large, 3-leaved, somewhat 

 globose : mand. porrect, horny : maxilla; with membranaceous processes ; 

 their palpi naked, labial slightly pilose : legs very stout ; tibia broad, 

 spinose at the tip, dentate; tarsi rather long, slender. 



Fam. 80 ApHoniiDiE. Ant. 9-jointed ; club 3-leaved, somewhat globose- 

 ovate : mand. concealed : maxilla; with membranous processes : palpi 

 glabrous : legs short, equidistant ; thighs with a row of hairs within ; tibiae 

 broad, dentate. 



Fam. 31 Trogid^:. Ant. 9- or 10-jointed; club 3-leaved, ovate, transverse: 

 mand. horny, stout, acute at the tip : maxilla; horny : labrum conspicuous, 

 coriaceous : elytra ample, gibbous : leg's short, stout ; tibiae compressed, 

 anter. slightly dentate. 



Fam. 32 Dynastidje. Ant. 10-jointed; club 3-leaved, short, ovate: mand. 

 convex, obtuse at tip : maxilla; horny : clypeus concealing the labrum, and 

 mostly horned : legs stout ; tibiae broad, anter. much dentate ; tarsi 

 long. 



