MODERN' SYSTEM. 
190 
Stiri’s 1- — No scale between the posterior angles of the thorax and 
the exterior base of the elytra. 
Division I. — Thorax almost quadrate, more, or less transverse. Mandibles 
entirely corneous. 
Subdivision 1. — Labrum prominent even beyond the clypeus. Maxilla in- 
teriorly armed with u horny hook, simple or bifid. Body nearly globular 
or ovoid. Elytra tumid, embracing the sides of the abdomen. 
Genus 159. — /KGIALIA. Latr., Leach. Aphodius. Panz., Illig- 
Psammodius. Gyll. 
Antenna distinctly longer than the head, composed of nine joints, the 
first of which is cylindric and a little hairy : body nearly globular : 
wings none. 
Sp. 1. JEgi. globosa. Black, shining: head granulated : elytra striated, 
impunctate. 
Aphodius globosus. Illig. Psammodius globosus. Gyllenhall. iEgi- 
alia globosa. Latr., Leach. 
Inhabits the sandy shores of the sea. 
Genus 160. PSAMMODIUS. Gyll., Leach. 
Body elongate, convex : antenna distinctly longer than the head: wings 
two : thorax transversely striated. 
Sp. 1. Psam. Sulcicollis. Gyll. 
Aphodius Sulcicollis. Illig. 
Inhabits sandy places. Taken at Swansea by Mr. W. S. Millard, a 
most assiduous and successful collector of British insects. 
Genus 161. TROX. I 'abr., Oliv., Lam., Latr., Leach. Scarabjeus. 
Linn., Marsh., Geoff., Be Geer. 
Antenna scarcely longer than the head, composed of ten joints, the 
first obconic and very hairy : body ovoid: maxilla with a simple 
hook. 
Sp. 1. Trox sabulosus. 
Inhabits sandy places. 
Subdivision 2. — Labrum not projecting beyond the clypeus. Body not glo- 
bose. Elytra not embracing the sides of the abdomen. 
* Body subeylindric. 
Genus 162. SINODENDUON. Fabr., Latr., Don., Leach. Sca- 
RABiEus. Linn., Dc Geer., Oliv. Lucanus. Marsh. 
Antenna with a lamellated club not capable of being folded: the la- 
mella very short, resembling the teeth of a saw: body cylindric : 
maxilla coriaceous, bilobate. 
Sp. 1. Sin. cylindricum. Black, shining, impressed-punctate, cicatrieu- 
lose; the punctures umbilicated, the umbilici perforate. (Male with 
a conic-compressed horn, the female with a short horn on the head-) 
