16 LAMELLICORNIA, 
[ Aphodius. 
No less than one hundred and nineteen species of the genus are found 
in Europe, of which thirty-nine occur in Britain ; these may be divided as 
follows :— 
I. Seutellum large or very large. 
i. Elytra yellowish or brownish-yellow ; posterior 
_ tibiae with apical setee unequal 
i. Elytra black; posterior tibize with apical sete 
equal. 
1. Upper surface yl ae ; strie of elytra near 
suture suleate . . 5 
2. Upper surface convex ; striw of calytra finer, 
not suleate : 
Elytra black, with apex more or less broadly 
pede posterior tibize with apical sete equal 
Il. Seutellum moderate or small. 
i. Posterior tibia furnished with short apical setz 
which are of equal length. 
1. Base of thorax distinctly bordered through- 
out. 
A. Thorax very slightly sinuate before pos- 
terior angles, more or less plainly im- 
pressed in front in male; mesosternum not 
carinate. 
a. Thorax black, with anterior angles red ; 
elytra bright red. 
a*, Abdomen nearly always more or less 
red; thorax longer in proportion. . . 
b*. Abdomen black; thorax shorter in 
proportion 
. Thorax black unicolorous ; ‘elytra of a 
Cae -yellowish colour, with a more or less 
distinct dark band at sides : 
B. Thorax not sinuate before posterior angles, 
with sides nearly straight. 
a. Mesosternum finely carinate between 
intermediate coxe. 
a®. Upper surface entirely or almost en- 
tirely black. 
ay. Thorax closely punctured. 
at, Elytra dull, shorter. . . . 
bt. Elytra shining, lonyer 5 
bt. "Thorax very diffusely punctured k 
b*. Elytra yellowish or reddish-yellow, 
with suture darker . . . 
. Mesosternum not carinate between inter- 
mediate coxe 
a*, Seventh stria of elytra not produced 
beyond the adjacent striae; clypeus 
straight or nearly straight, with 
anterior margin broadly red. 
at. Form more depressed; apex of 
elytra dull, pubescent ’ 
b{. Form more convex ; apex of. elytra 
shining, glabrous 
b*. Seventh stria of elytra pr roduced con- 
siderably beyond the adjacent strie ; 
. ERRATICUS, L. 
. SUBTERRANEUDS, I. 
A. Fossor, L. 
. HEMORRHOIDALIS, L. 
. F@TENS, Ff. 
A. FIMETARIUS, LD. 
> bbb 
. SCYBALARIvS, F, 
. ATER, De G. 
. consrans, Duft. 
. GRANARIUS, L. 
. NITIDULUS, F. 
. SORDIDUS, F. 
A, RUFESOENS, F. 
