INSECTA. 533 
incrassated towards the extremity, longer than maxillary palps, 
with base little covered or quite naked. Integuments hard. Elytra 
sometimes abbreviate, in all however covering the greatest part of 
abdomen. Joints of tarsi mostly entire. 
Scydmenus LATR. Maxillary palps elongate, with fourth joint 
subulate, small or very small, scarcely distinguishable. Antenne 
moniliform, gradually incrassated towards the apex, or clavate. 
Elytra mostly solute. Head exsert, mostly constricted posteriorly. 
Sp. Scydmenus Hellwigtt Latr., Notoxus minutus PANzER Deutschl. Ins. 
Heft 23, Tab. 6; Scydm. Godarti Latr. Gener. Crust. et Ins. Tab. vitt. 
fig. 6, &c. Several species are described and figured by Sturm Deutschl. 
Fauna, Ins. X11. pp. I—51, Tab. 259—264. 
Clidius LAPORTE. 
Mastigus Iuuie. Antenne filiform, scarcely incrassated at the 
apex, 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. Ant., éd ill., Ins. Pl. 34, fig. 
10. For other species see Kuve Entomolog. Monogr. pp. 161—168. 
Hister L. Antenne short, geniculate, with first joint elongate, 
clavate, with capitulum oval or subglobose, solid, triarticulate. Man- 
dibles arcuate at the apex, denticulate, mostly exsert. Maxille with 
two membranous lobes. alps filiform. Head small, mostly re- 
tractile within thorax. Feet contractile, anterior approximate at the 
base, posterior remote at the insertion, with tarsi all five-jointed. 
Elytra shorter than abdomen, truncated. Body smooth, mostly 
subquadrate. Abdomen composed of five segments. 
a) With head not retractile. 
Hololepta Payx. 
b) With head retractile. 
Sub-genera: Saprinus Ericus., Abrewus Leacu, Onthophilus 
Leacu, Hister Leacu, Platysoma Leacn, &e. 
Sp. Hister wnicolor L., Sturm Deutschl. Ins. 1. Tab. 16 ;—Hister maculatus 
L., &e. 
Necrophorus Fasr. Antenne short, clavate, with capitulum 
subglobose. Maxille unarmed. Palps short, filiform. Ligula 
