GOEGTTHION. 425 



The distribution of Gorgythion, as in the previous genera, is very wide, one or other 

 of the species extending from North-western Mexico to Paraguay. 



1. Gorgythion pyralina. (Tab. LXXXVIIL figg. 20, 21, 22 s .) 



Helias pyralina, Hopff. in Mus. Berol. 1 ; Moschl. Verh. z.-b. Ges. Wien, 1876, p. 343, t. 4. f. 31 \ 

 Alis piceo-nigris, griseo-fusco variegatis ; anticis maculis basalibus, alteris medianis in linea irregulari trans- 

 versa positis, una subconspicua ad angulum analem, fusco-nigricantibus ; punctis duobus ad angulum 

 apicalem semihyalinis ; posticis fasciis indistinctis maculosis fusco-nigris notatis : subtus fuscis ; anticis 

 punctis semihyalinis duobus sicut in pagina superiore, maculis indistinctis costalibus albicantibus, area ad 

 margmem internum pallida; posticis griseo-fusco variegatis; palpis fuscis, pilis griseis intermixtis ; 

 tibiis posticis cirratis et bis bicalcaratis. 

 $ mari similis, sed alis pallidioribus et maculis omnibus magis obviis. 



Hah. Mexico, Ventanas in Durango (Forrer), Jalapa (W. Schaus), Orizaba (H.J. 

 Elwes), Atoyac in Vera Cruz, Acapulco, Acaguizotla, Dos Arroyos, Tierra Colorada, 

 Kincon, Rio Papagaio, and La Venta, all in Guerrero (H H. Smith), Valladolid in 

 Yucatan (G. F. Gaumer); Guatemala, San Geronimo, Dueiias, Zapote (Champion)-, 

 Hondueas (Dyson) ; Nicaeagua, Chontales (Belt) ; Costa Eica, Cache, Irazu (Rogers) ; 

 Panama, Bugaba (Champion). — South Ameeica generally, from Colombia to Guiana 2 , 

 the Amazons Valley, and Southern Brazil. 



A very common species throughout our region and in the hotter parts of Tropical 

 South America, occurring in abundance both in Western and Eastern Mexico. It is 

 also found from the sea-level to a height of at least 5000 feet in the mountains. 



Moschler described this species in one of his papers on the Butterfly-fauna of 

 Surinam \ and we have several specimens from the adjoining country of British Guiana. 

 These latter differ in no way from our large series from Mexico and Central America. 



The male genitalia have the tegumen ending in a single depressed point : the harpes 

 are asymmetrical, the right side consisting of a simple short rounded lobe, near the 

 base is a tuft of strong bristles directed outwards ; the left side is much more complex, 

 the terminal lobe carries two strong widely-separated points directed upwards, and 

 above them again are two parallel strongly serrated surfaces ; from near the base starts 

 a lobe carrying strong bristles, and another shorter one from about the middle of the 

 harpe. (See Tab. LXXXVIIL fig. 22.) 



2. Gorgythion begga. (Tab. LXXXVIIL fig. 23.) 



Hesperia begga, Prittw. Stett. ent. Zeit. 1868, p. 198 \ 

 Achlyodes begga, Plotz, Jahrb. nass. Ver. xxxvii. p. 18 2 . 

 Hesperia ? alcandra, Mab. Petit Nouv. Ent. ii. p. 229 (1878) 3 . 



G. pyralince persimilis, supra vix distinguenda ; alis posticis ad angulum apicalem forsan nigricantioribus : 

 subtus posticis dimidio anali plus minusve albidis. 



Hob. Panama, Volcan de Chiriqui, David (Champion), Chiriqui (Ribbe). —South 

 Ameeica generally, from Colombia to Southern Brazil 1 3 and Paraguay. 

 biol. centk.-amee., Ehopal., Vol. 11., October 1896. 3 r 



