190 MODERN SYSTEM. 



Stirps 1. — No scale beUveen the posterior angles of the thorax and 



the exterior base of the elytra. 

 Division I. — Thorax almost quadrate, more or less transverse. Mandibles 

 entlrelxj corneous. 



Subdivision 1. — Lahrum prominent even beyond the clypeus. Maxilla in- 

 teriorly armed zcith a horny hook, simple or bifid. Body nearly globular 

 or ovoid. Elyt7-a tumid, embracing the sides of the abdomen. 



Genus 159.— .^EGIALIA. Latr., Leach. AphodiVs. Panz., Illig. 

 PsAMMomus. Gyll. 



Antenna distinctly longer than the head, composed of nine joints, the 

 first of which is cylindric and a little hairy : body nearly globular : 

 uings none. 



Sp. 1. jEgi. globosa. Black, shining : head granulated : elytra striated, 

 impunctate. 



Aphodius globosus. Illig. Psammodius globosus. Gylknhall. E.g\- 

 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: uings 

 two : thorax transversely striated. 



Sp. 1. Psarn. 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. TllOX. Fahr.,OUv., Lam., Latr., Leach. Sc.\r.\bxus. 

 Linn., Marsh., Geoff., De Gcer. 



AntenncE 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. — Lahrum not projecting beyond the clypeus. Body not glo- 

 bose. Elytra not embracing the sides of the abdomen. 



* Body subcylindric. 



Genus 162. SINODENDIION. Fabr., Latr., Don., Uach. Sca- 



RAB^us. Linn., De Geer., Oliv. Lucanus. Marsh. 



Antcnnce with a lamellated club not capable of being folded : the la~ 



mdle very short, resembling the teeth of a saw : body cylindric : 



maxilla: coriaceous, bilobate. 



So. 1. Sin. cylindricum. Black, shining, impressed-punctate, cicatricu- 



lose ; the punctures umbilicated, the umbilici jjerforate. (Male with 



a conic-compressed horn, the female with a short horn on the head.) 



