44 TRAVELS AMONGST THE GREAT ANDES. 



The tiavescent cdIouf of tlie hind-body is coutined to the membranous 

 lioi'der in which the stigmata are situated, the dorsal and ventral plates 

 being entirely Ijlack. The Peruvian M. pustulatus, Er., is an insect marked 

 in a manner similar to M. se.ajuttafus, Ijut has the thoivax tuberculate and 

 rugose at the sides. 



14. Ancmca debilis, n. sj). 



Hub. Machachi (9-10,000 feet), Illiuiza (14,000 feet). Two examples. 



Sordide testacea, opaca, i>rothoracis lateriljus, al)domine, pedibusque in 

 medio fuscescentibus ; anteuuis tenuibus, elongatis, corpora paium brevioril;)us ; 

 prothorace subintequali, crebre punctato, seti;lisque depressis concoloribus 

 munito ; elytris dense punctatis et setulosis, lineis elevatis longitudinalibus 

 obsoletis. Long. cori>. 9-11 mm. 



Var. abdomine testaceo, concolore. 



One example from each locality. Thougli diU'ering in the colour of the 

 liiud-l)ody Ijeneath, I have no doul:>t they are one species ; the specimen from 

 Machachi with dark hind-boilv being the male. 



COL EOPTER A (Continued). 

 By the Rev. HENRY S. GORHAM, F.Z.S. 



Faiu. ELATERID^. 

 1 . Athous dispar, n. sj). 



H(ih. Eastern side of Chimborazo (11,700 feet). Four specimens. 



Nigro-piceus, nitidus, antennis, palpis, pedibus(|ue rutis, caj^ite ci'ebre, 

 prothorace minus crebie distincte punctatis ; elytris punctato-striatis, punctis— 

 obsoletis. Long. 13-1 7 ndllim. ^ $. Mas, minor, prothorace oblongo lateri- 

 bus leviter sinuatis. 



Femina, latior, prothorace latiori magis convexo laterilnxs foitius siniiatis, 

 elytris convexioril)US pone medium leviter ampliatis. 



Head Avith the nasal portion well produced, coarsely punctured, raised at 

 the edge and a little corrugated ; frontal ridge distinct, flattened between the 

 antenna) and more finely punctured. Antenna) (of the male) aliout two- 

 thirds as long as the body, basal joint a little longer than the fourth, second 

 joint e(puil to the third, and these together shorter than fourth. The 

 icmainder suliequal to the fourth joint with the exception that in one of the 



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