237 



33. Penultimate superior subcostal nervule diverging from the main nervure 



at its origin and pursuing a uniform course Clilorippo. 



34. Costal and mcMlian veins swolk-n at the base Eiiiiica. 



34. Costal and median veins not swollen at the base 35. 



35. Upper surface of hind wings provided with a distinct submarginal row of 



white or blue spots Basilarcliia. 



35. Upper surface of hind wings with no distinct submarginal row of 



spots Limt'iiitis. 



3G. Costal and median veins of fore wings prominently swollen at tlie 

 base Mestra. 



36. None of the veins prominently swollen at tlie base 37. 



37. Veins closing the cell of fore wings distinctly swollen beneath 



Amphiclilorn. 



37. Veins at apex of cell of ordinary size 38. 



38. Cells of both wings open 39. 



38. Cells of both wings closed by a feeble vein 44. 



39. Hind wings regularly rounded 40. 



39. Upper median nervule of hind wings more or less produced into a 



tail 41 . 



40. Outer margin of fore wings uniformly and slightly convex. . .Diaethi'ia. 



40. Outer margin of fore wings sinuous Jiiiionia. 



41. Tail of upper median nervule of hind wings much less than half as long 



as the antennae 42. 



41. Tail of upper median nervule of hind wings much more than half as 



long as the antennae 43. 



43. Upper median nervule of fore wings curved much more strongly near 



the base than that of hind wings Victorilia. 



43. Upper median nervule of fore wings greatly curved, as in the hind 



wings Anartia. 



43. Basal half of wing beneath silvery white, in striking contrast to the rest 



of the wings Tiliietes. 



43. Basal half of wings beneath nearly concolorous with the outer half 



Athena. 



44. Upper median nervule of hind wings produce 1 to a more or less promi- 



nent tail or tooth 45. 



44. Border of hind wings not more produced at the upper median nervule 



than elsewhere Vanessa. 



45. Upper surface of wings with a distinct, continuous, marginal or submarg- 

 inal band of lighter color than the rest of the wing 46. 



45. Upper surface of wing without any continuous band of light color. . .47. 



46. The light band submarginal Aglais. 



46. The light band marginal Papilio. 



47. Inner margin of fore wings straight 48. 



47. Inner margin of fore wings distinctly excised in the apicjil half 



rolvgunia. 



