328 LAMELLICOKNIA. 



1. DaBmonoplus mniszechi. (Tab. XIX. figg. 10, 10 a, s ; 11, $ .) 



Dcemonoplus Mniszechii, Thorns. Archiv. Entom. ii. p. 69,, t. 2. fig. 2. 

 Heterogomphus Mniszechi, Gemm. & Har. Cat. Col. iv. p. 1262 1 . 



Eab. Mexico 1 ; Costa Rica {Van Patten) ; Panama, Volcan de Chiriqui 4000 feet 

 (Champion). 



5 . Erons unituberculata ; thorax simplex, prope marginem antieum breviter bituberculatus, dimidio anteriore 

 punctato-rugosus. 



The anterior tibise have four rather fine sharp teeth, and the terminal tooth is formed 

 like the others, and not broad and almost duplicated as Burmeister states of E. hopei. 

 The apical rim of the hindmost tibise has four very short teeth, and that of the middle 

 tibiae one very long and sharp projection which is bidenticulate on one side. In these 

 points, and in the three slender, equal, and obliquely elevated thoracic horns of the 

 male, the species also differs from E. hopei. 



A male from Costa Rica and a female from the Volcan de Chiriqui are figured. 



ENEMA. 



Enema, Hope, Col. Man. i. p. 83, t. 1. fig. 2 (1837); Burmeister, Handb. der Ent. v. p. 233; 

 Lacordaire, Gen. Col. iii. p. 439. 



A genus confined to the tropical zone of America. Six species have been described. 



1. Enema infundibulum. 



Scarabams Enema, Eabr. Mantissa Ins. i. p. 4 (1787) ; Syst. Ent. i. p. 6 ; Oliv. Ent. i. 3, p. 22, 



t. 12. fig. 114, t. 17. fig. 157. 

 Enema infundibulum, Burm. Handb. der Ent. v. p. 234 \ 



Eab. Nicaeagua, Chontales (Belt, Janson). — South America to South Brazil 1 and 

 Paraguay. 



One male and one female example ; considerably smaller than those found commonly 

 Guiana and on the Amazons. 



2. Enema pan. (Tab. XIX. figg. 12, 12 a, <s , tot.) 



Scarabams Pan, Eabr. Syst. Ent. i. p. 6 * ; Perty, Del. Anim. Art. Bras. p. 44, t. 9. fig. 10 ( <J ). 



Enema Pan, Burm. Handb. der Ent. v. p. 235 2 . 



Scarabceus Titornus, Perty, loc. cit. p. 45, t. 9. fig. 12 ($ minor). 



Scarabaus guadrispinosus, Fabr. Species Ins. i. p. 11; Oliv. Ent. i. 3, p. 35, t. 19. fig. 179 ( ? ). 



Eab. Mexico, Toxpam (Salle), Jalapa (Edge) ; Nicaeagua, Chontales (Belt, Janson). 

 — South America to South Brazil 1 2 and Paraguay. 



Var. S . Cornu capitis postice sine tuberculo. 



Enema lupercus, Chevr. in Guer. Mag. Zool. 1843, Col. Mex. p. 28 x . 



Scarabceus ceneas, Kirby, Trans. Linn. Soc. xii. p. 399 2 ? 



Eab. Mexico 1 , Cordova (Salle), Jalapa (Edge).— South America, Colombia 2 , Paraguay. 



