INSECTA. 533 



ucrassated towards the extremity, longer than maxillary palps, 

 vith base little covered or quite naked. Integuments hard. Elytra 

 sometimes abbreviate, in all however covering the greatest part of 

 tbdomen. Joints of tarsi mostly entire. 



Scydmcenus LATR. Maxillary palps elongate, with fourth joint 

 lubulate, small or very small, scarcely distinguishable. Antennae 

 noniliform, gradually incrassated towards the apex, or clavate. 

 Elytra mostly solute. Head exsert, mostly constricted posteriorly. 



Sp. Scydmcemis Hellwigii LATR., Notoxus minutus PANZER Deutschl. Ins. 

 Heft 23, Tab. 6 ; Scydm. Godarti LATR. Gener. Crust, et Ins. Tab. vm. 

 fig. 6, &c. Several species are described and figured by STURM Deutschl. 

 Fauna, Ins. xm. pp. 151, Tab. 259 264. 



Ctidius LAPORTE. 



Mastigus ILLIG. Antennas filiform, scarcely incrassated at the 

 pex, with first joint very long. Maxillary palps elongate, clavate. 

 Elytra connate, wings none. Head exsert, constricted posteriorly. 



Sp. Mastigus palpalis LATR. 1. 1. fig. 5, Cuv. R. Ani., e<L ill., Ins. PI. 34, fig. 

 10. For other species see KLUG Entomolog. Monogr. pp. 161 168. 



Hister L. Antennae short, geniculate, with first joint elongate, 

 lavate, with capitujum oval or subglobose, solid, triarticulate. Man- 

 ibles arcuate at the apex, denticulate, mostly exsert. Maxillae with 

 I vo membranous lobes. Palps filiform. Head small, mostly re- 

 actile within thorax. Feet contractile, anterior approximate at the 

 ase, posterior remote at the insertion, with tarsi all five-jointed, 

 llytra shorter than abdomen, truncated. Body smooth, mostly 

 ibquadrate. Abdomen composed of five segments, 



a) With head not retractile. 

 Hololepta PAYK. 



b) With head retractile. 



Sub-genera: Saprinus ERICHS., Abrceus LEACH, Onthophttus 

 LEACH, Hister LEACH, Platysoma LEACH, <fec. 



Sp. Hister unicolor L., STURM Deutschl. Ins. I. Tab. 16 ; Hister maculatus 

 L., &c. 



Necrophorus FABR. Antennae short, clavate, with capitulum 

 4bglobose. Maxillae unarmed. Palps short, filiform. Ligula 



