BUTTERFLIES TTERRERA AND FIELD 479 



Male genitalia not illustrated and not different from the typical 

 subspecies. Five males dissected and studied. 



Female: Plate 2, figure 52a. Head as in the male. Wings smaller 

 than in typical theodice with black bar at end of cell on upperside 

 of forewing narrower and with ground color considerably more suf- 

 fused with fuscous in basal half of both v/ings above. Orange-yellow 

 markings below considerably paler than in the typical subspecies. 



Length of forewing, 19-24 mm. (average, 22.5 mm.). 



Female genitalia not illustrated and not different from the typical 

 subspecies. Four females v/ere dissected and studied. 



Type locality: Near 'Tunta- Arenas" =Punta Arenas, Depart- 

 ment of Punta Ai-enas, Province of Magallanes, Chile. 



Location of type: Li the "Zoologisches Museum der Humboldt- 

 Universitat, Berlin." 



Method of identification: By a stud}^ of the original description 

 and comparison with topotypical material. The name gymnodice is 

 based upon a pair of rather rare individual variants lacking most of 

 the yellow between the sagittate markings and veins of the hindwings 

 below. In spite of this individual variation the population here 

 described deserves recognition. 



Synonymical notes: Giacomelli (1916) misspelled the name as 

 gymmodice. 



Misidentifications: Mabille (1888) confuses this population with 

 typical theodice. Elwes (1903) designates this population as argyrodice. 



Distribution: The extreme southern parts of Argentina and Chile 

 north of the Magellan Straits and in the northern part of Tierra del 

 Fuego. 



Chile: Territory of Magallanes, Department of Punta Arenas, Punta Arenas 

 (January, February); Department of Ultima Esperanza, Puerto Prat (January, 

 February), Puerto Bories (February), Gregory Bay, Dos Lagunas (February); 

 Department of Tierra del Fuego, Porvenir (February). Argentina: Territory 

 of Santa Cruz, Rio Tunel. 



Material studied: 11 males, 10 females. 



' Tatochila theodice staudingsri Field, new subspecies 



Tatochila theodice Boisduval, Staudinger nee Boisduval (a misidentification), 

 Lepidopteren, in Hamburger Magalhaensische Sammelreise, vol. 2, art. C, 

 pp. 10-14, 1898. 



Veins and legs display no subspecific characters. 



Male: Plate 2, figure G. Head with scales behind eyes and with 

 outer faces of palpi white to pale yellow, rarely pale orange. Wings 

 above similar to 2. theodice gymnodice, having the black bar at end 

 of cell on upperside of forewing narrower than in typical theodice. 



