SPECIES OF SACRED BEETLES. 157 
Gymnopreurus, Illig. 
B. Intermediate tibie with two spurs, basal joint of labial palpi always 
larger than the following. 
a. Four posterior tibie not dilated at the tip, nor in the shape of an 
elongated triangle. 
Genera Sisyphus, Latr.; Circellium, Latr.; Coprobius, Latr.; Che- 
ridium, St. Farg. & Serv. ; Hyboma, St. F. & Serv. ; Eurysternus, 
Dalm. (Zischrotes, St. F. & Serv.). 
b. Four posterior tibie dilated at the extremity, and of an elongated 
triangular form ; head and thoraz often cornuted in the males. 
Genera Oniticellus, Onthophagus, Onitis, Phaneus and Copris. 
Sect. 2. Corresponding with the family Aphodiide, MacL. 
A modification of this distribution, arising from the discovery of another remarkable 
insect, Ateuchus Adamastor, is given in the Encyclopédie Méthodique by Messrs. Serville 
and Saint Fargeau as follows : 
CopropPHaci. 
A. Corresponding with the Scarabeide of MacLeay. 
* Scutellum wanting. 
+ Four posterior tibie subcylindric, not dilated at the tips. 
Genera Ateuchus, Gymnopleurus, Hyboma, Sisyphus. 
+t Four posterior titie, short, dilated at the tips. 
Genera Onthophagus, Phaneus, Copris, Cheridium. 
b. Scutellwm small but distinct, or represented by a space. 
Genera Onitis, Oniticellus, Aischrotes. 
B. Corresponding with the family Aphodiide, MacL. 
The genus Ateuchus, here no longer characterised by the presence of a single spur 
on each intermediate tibia, is thus distributed into sections. 
I. Clypeus trilobed with six points, &c. (Heliocantharus, MacLeay.). 
1. Four posterior tibie obliquely truncate, prolonged into an inarticulate spur. 
(Sacer, &c.) 
2. Four posterior tibie truncated at the tips, the posterior pair having a single 
spur. 
A. Intermediate tibie with a single articulated spur. (Semipunctatus, 
laticollis, &c.) 
B. Intermediate tibie with two articulated spurs. (Ateuchus adamastor, 
Sp. Nov. Cap. Bon. Sp.) 
II. Clypeus not trilobed, four posterior ¢ibie truncated. 
