March, 1898.] GROTE : CLASSIFICATION OF LEPIDOPTERA. 



EXPLANATION OF PLATE I. 



Fig. 1. Stage I of PackarJia, dorsal view, enlarged. 



" 2. Stage II, side view enlarged. 



" 3. The subdorsal seta; of one tubercle, stage IT, more enlarged. 



" 4. Granules of Packardia geminata, stage III, enlarged. 



-" 5. Granules of Packardia elegans, stage III, enlarged. 



" 6. Mature larva P. geminata, three-quarters view. 



*' 7. Moth of P. geminata. 



*' 8. The same, dark form. var. albipnnctata. 



•" 9. Mature larva of P. elegans, three-quarters view, partially pigmented. 



<( 10. The same, dorsal view, fully pigmented form. 



" 11. Moth of P. elgans. 



" 12. The same, pale form, var. fusca. 



AN ATTEMPT TO CLASSIFY THE HOLARCTIC LEP- 

 IDOPTERA FROM THE SPECIALIZATION 

 OF THE WINGS. 



PART II.— THE HAWK AND EMPEROR MOTHS. 



By A. Radcliffe Grote, A.M. 



<C. Radius 5 -branched; vein IV2 central or cubital; hindwings with intercostal 



crossvein...: SPHINGIDES. 



ci. No costal vein (vein J) on primaries; vein III2 absorbed by Radius; 



crossvein degenerate; vein IV2 decidedly cubital ENDROMIDID.E. 



ci. A costal vein (vein I) on primaries; vein III2 from Radius before ex- 

 tremity of cell ; crossvein entire ; vein IV2 not decidedly cubital 



SPHINGIDyE 

 O. Radius 3-4 branched; vein IV2 central or radial; hindwings with no intercostal 



crossvein SVTURMADES. 



di. Vein IV2 continuous with vein IV 1 SATURNIAD.'E. 



d2. Cell open ATTACiNiE. 



d2. Cell closed. 



d3. Hindwings without vein VIII Saturnian/E. 



d3. Hindwings with vein VIII Hemileucin^e. 



di. Vein IV2 from crossvein AGLIAD.E. 



d4. Hindwings without vein VIII. 



d5. Crossvein, between IV2 and IV 1, directed obliquely outwardly 



Ai'.i.lAN.E. 



CI5. Crossvein transverse .' Auti»merin/e. 



d 4 . Hindwings with vein VIII CITHERONIAD.i:. * 



* This table ( C, D), and that of the Day-Butterflies (A, B), is compiled in ac- 

 cordance with the sequence in the Lepidoptera which I recommend, and not altering 

 the Linnean arrangement upon opinionative grounds. 



