336 LAMELLICOENIA. 



$ . Nigra, nitida, fortius et crebrius quam in 0. championi punctata, elytris utrinque striis punctatis geminatis 



tribus. 

 Long. 35-48 millim. S 2 • 



Hob. Costa Eica (Salle, Van Patten), Volcan de Irazu 6000 to 7000 feet, Rio Sucio 

 (Rogers). 



Seventeen examples. 



DYNASTES. 



Dynastes, Kirby, Trans. Linn. Soc. xiv. p. 568 (1825); Burmeister, Handb. der Ent. v. p. 256; 



Lacordaire, Gen. Col. iii. p. 444. 

 Theogenes, Burmeister, Handb. der Ent. v. p. 254 (1847). 



Four species have been described of this genus, comprising the grandest forms of the 

 Dynastidee group ; all are American, the two belonging to the northern continent being, 

 however, scarcely more than local forms of one stock. 



1. Dynastes hercules. 



Scarabceus Hercules, Linn. Syst. Nat. i. p. 541 ; Mus. Lud. Ulr. p. 3 ; Oliv. Ent. i. 3, p. 6, t. 1. f. 1 



( S), t. 23. f. 1 ( ? ); Bnrm. Handb. der Ent. v. p. 257 \ 

 Scarabceus scaber, Linn. Mus. Lud. Ulr. p. 17 ( ? ). 



Scarabceus Alcides, Eabr. Mant. Ins. i. p. 3 ; Oliv. Ent. i. 3, t.- 1. fig. 2 (<J minor). 

 Scarabceus Perseus, Oliv. Ent. i. 3, t. 1. f. 3 (£ minor). 



Hah. Guatemala (Champion) ; Nicaragua, Chontales (Belt); Costa Eica (Van Patten); 

 Panama, Bu gab a, Dolega in Chiriqui (Champion). — Teopical South America 1 ; West 

 Indies K 



This species is apparently very rare in Central America. In Guatemala and the State 

 of Panama Mr. Champion only obtained fragments of male examples. 



2. Dynastes hyllus. (Tab. XX. %g. 17, 17 a, 6 .) 



Dynastes hyllus, Chevr. Guer. Mag. Zool. 1843, Col. Mex. p. 33, t. Ill ($), t. 112 ( ? ) \ 

 Dynastes Iphiclus (Panz.), Burm. Handb. der Ent. v. p. 259 2 . 



Hab. Mexico 1 2 , Toxpam, Oaxaca (Salle), Jalapa (Hbge), Acapulco (Baron) ; Guate- 

 mala (Salle), Escuintla (Conradt). 



A male minor from Oaxaca is figured. 



MEGASOMA. 



Megasoma, Kirby, Trans. Linn. Soc. xiv. p. 566 (1825); Gemminger & Harold, Cat. Col. iv. p. 1268. 

 Megalosoma, Burmeister, Gen. qused. Ins. fasc. 7. c. tab. ; . Handb. der Ent. v. p. 273. 



The range of the gigantic beetles constituting this genus is the same as that of 

 Dynastes, except that they do not appear to occur in the West India Islands. Eight 

 species are described. 



