68 



I would refer to Mastiphanes) as " Spinigera,'' in different collec- 

 tions. Interrupta, Bdv., is founded on a drawing by Abbot. It is 

 described as smaller than P.fz/ the moth may be Grisea-Piidorata); 

 the caterpillar is flesh color, with red tubercles, surmounted with 

 tufts or whorls of hair. 



6. Thoracica, Grote, N.Am., Ent.. I, 94. Colorado. The 

 disc of thor^ax is discolorous ; the insect is nearest, perhaps, to 

 Furcifera. Larva unknown. 



7. Tritona, Hubn.. Zutr., 107-0; Guen., 1,42. This is 

 small, with dark blue-gray primaries and brown hind wings. 

 Larva unknown. " Brown dagger." 



8. Grisea, Walk., C. B. M., 56, Piidorata Morr. Ann, N. Y. 

 Lye, 83, 1875. Like Tritona in size and form, but pale gray with 

 whitish secondaries. Larva unknown. " Pale dagger." 



9. Falcula, Grote, Can. Ent., 9, 8, 6 ; Coquillet, Papilio 1,6. 

 This differs from Tritona by the bright brown edging of the 

 thoracic tuft behind ; the external margin is a little drawn in 

 below apices ; the dash at internal angle does not cross or indent 

 the transverse posterior line, in which it resembles Parallela. 

 Larva on hazel. " Edged dagger." 



10. Parallela, Grote, Can. Ent., 9, 5, 3, Colorado, Texas, 

 small, with pearly-white secondaries. A very pretty and distinct 

 species. Larva unknown. 



11. Albarufa, Grote, Proc. Bot., S. N. H., 239, 1874; 

 Walkeri, Andrews Can. Ent., 9, 98. Larva unknown. The hind 

 wings of male are white ; of female fuscous. This species is 

 known by the red and pale discal stigmata. " Red and White 

 Dagger." 



12. Paupercula, Grote, Proc. Ac. N. S. Phil., 197, 1874, 

 Texas. Larva unknown. Fresh specimens are olivaceous in tint. 



13. ViNNULA, Grote, Proc. Ent. Soc", Phil., 2,436, pi, 9, fig. 

 2, Canada to Middle States, " Olive Dagger." 1 am rather 

 doubtful of this little species really belonging to Triana {Sama- 

 phona Guen.). It is distinctly olivaceous in color ; it does not 

 show the usual marks. Mr. Thaxter reports the larva on elm. 

 I have seen no description of it. These are all I would now 

 refer to this section of Apatela. 



Sub-genus Acronicta, Ochs. 



1. Lepusculina, Guen. Noct. i, 46; Popnli, Riley, 2nd Mo. 

 Rep. 119. Larva on poplar. Larger and stouter than the 

 European Leporina, but belonging to this group with Leporina 

 and Vulpina. Its range extends beyond the Mississipi and, 

 perhaps, across the Continent. " Poplar Dagger." 



2. Felina, Grote, Bull. U. S. Geol. Surv., 5,208. California. 

 Larva (Pacific Coast Lep., t'S) described by Mr. Hy. Edwards on 

 poplars. Replaces on the West Coast our Eastern Lepusculina;. 

 the imagines differ but slightly, as far as observed. 



3. VULPINA, Grote, Can. Ent., Jan., 1883 ; Thaxter, Papiliq 



