Explanation of Figures 12-15a 



The uppersurfaces are shown on ihe left and the unJersurfaces on the 

 right. 



Fig. 12. — Tatochila microdice fiteguensis Field, new subspecies; holotype 

 male from Puerto Harberton, Tierra del Fuego, Argentina. 



Fig. 12a. — T. microdice fiteguensis Field, new subspecies; allotype 

 female from Ushuaia, Tierra del Fuego, Argentina. 



Fig. 13. — T. microdice macrodice Staudinger, male from Potosi, Depart- 

 ment of Potosi, Bolivia. 



Fig. 13a. — T. microdice macrodice Staudinger; female from Bolivia. 



P'ig. 14. — T. microdice arctodice Staudinger; male from Banos, Province 

 of Tungurahua, Ecuador. 



Fig. 14a. — T. microdice arctodice Staudinger; female from Ecuador. 



Fig. 15. — T. vanvolxemii (Capronnier); typical male form, from La 

 Rioja, Province of La Rioja, Argentina. 



Fig. 15a. — T. vanvolxemii (Capronnier); male, intermediate to T. micro- 

 dice macrodice or hybrid specimen, from Potrerillos, Pro\-ince of 

 Mendoza, Argentina. 



