COLEOPTERA. AGATHIDIIDH — SILPHID&. 11 
CORYLOPHUS Leach. Ctyrrasrer Andersch. 1 sp. Derm. cassidoides Marsh. 
Ovate, subdepressed ; head small, hidden beneath the semioval pronotum ; elytra 
rounded at the tips; club of antennz 3-jointed. 
ORTHOPERUS Steph. Dermestes p. Marsh. 6 sp. Derm. punctum M. 
Subovate, subconyex ; club of antennez 2-jointed ; head small ; elytra subtruncate 
at the tip. 
SERICODERUS Steph. Scaruipium p. Marsh. 1 sp. Scaph. dubium M.. 
Subconvex, sericeous ; club of antennz 3-jointed; head small, concealed; elytra 
distinctly truncate behind. 
Stirps 2. Necrophaga Latr. MacL. (Silpha and Dermestes Linn. ) 
Family 1. SCAPHIDIIDZ MacL. (Scaphidiles Latr.) 
SCAPHIDIUM Olivier, &. 1 sp. Scaph. 4-maculatum Oliv. Curt. 379. 
Elytra truncate ; scutellum distinct ; club of antennz with the second joint larger 
than the first. 
SCAPHISOMA Leach. Sitena p. Linn. 2sp. Silph. agaricina Linn. 
Elytra truncate ; scutellum indistinct ; second joint of club of antennz smaller 
than the rest. Panz. 12. 16. ; 
MYLACHUS Latr. Carors p. Payk. 1sp. Myl. brunneus Latr. 
Elytra oval; posterior angles of thorax acute ; club of antennz with the sccond 
joint not smaller than the preceding. Latr. Gen. pl. 8. f. 11. 
PTOMAPHAGUS Illig. Cuotrva p. Spence. 7 sp. Pt. truncatus Il. 
Elytra oval; posterior angles of thorax acute; eighth joint of antennz small ; 
elytra not striated. Pz. 73. 10. ? 
CATOPS Payk. Cuoteva p. Spence. 17 sp.  Helops chrysomeloides Pz. 
Elytra oval; posterior angles of thorax acute; elytra striated; eighth joint of 
antenne small. Curt. 566. 
CHOLEVA Latr. Promaruacus p. Jil. 3sp. Pt. agilis Il. Panz. 18. f. 1. 
Elytra oval; posterior angles of thorax obtuse; elytra striated ; antenne mode- 
rately long. 
Family 2, SILPHIDZ Leach. (Silphales Latr.) 
SPHERITES Duftsch. Sararvus Fisch. 1 sp. Hister glabratus Fab. 
Body quadrate ; club of antennz solid, 4-jointed; elytra truncate; mandibles 
bidentate ; maxilla with an internal horny tooth. Sturm. D. F. 1. pl. 20. 
NECROPHORUS Fad. Necroruacus Leach. Oliv. 7 sp. Silpha Vespillo L. 
Body oblong; elytra truncate; club of antenne large, round, 4-jointed, per- 
foliate ; maxilla unarmed. Curt. 71. 
NECRODES Wilkin. Stuena p. Linn. 1 sp. Silph. littoralis Linn. Curt. 334. 
Body oblong; elytra truncate ; club of antennz gradually thickened; maxille 
with a claw. 
OICEOPTOMA Leach. Pettis p. Geoff. 3sp.  Silpha thoracica Linn. 
Body oval, depressed; club of antennz abrupt, 4-articulate ; elytra 9 rounded. 
Donoy. 3. pl. 63. 
THANATOPHILUS Leach. Otcrorroma p. Steph. 2 sp. Silpha sinuata Linn. 
Oval, depressed ; club of antennz abrupt, 4-jointed ; el¥tra 9 notched near the 
tip. Donoy. 15. 539. 
SILPHA Linn. &e. — 8sp. Silpha 4-punctata Linn. Donov. 2. pl. 86. 
Oval, slightly convex; antennz gradually thickened; club 4-jointed; thorax 
often anteriorly truncate, 

