1890.] E. Y. Watson— Preliminary List of the Butter-flies of Madras. 267 



24. Zizera gaiha, Trimen. Only observed in May, but probably 



common. 



25. ,, otis, Fabricius. April to August ; very common. 



26. ,, lysimon, Hiibner. April to August : very common. 



27. Tarucus plinius, Fabricius. May to July ; fairly common. 



28. Castalius rosimon, Fabricius. May : a few specimens only. 



29. Everes argiades, Pallas. Only a single male obtained in May. 



30. Gatochrysops strabo, Fabricius. May ; very common. 



31. ;, corejtis, Fabricius. April and May ; very common 



32. ,, coniracta, Butler, July ; very common. Possibly 



a form of the preceding, but the male is easily 

 distinguished by its smaller size, and brighter 

 colours. 



33. „ pandava, Horsneld. July and August ; very 



common. 



34. Polyommatus baiticus, Linn. May ; not common. 



35. Lampides celianus, Fabricius. April to July ; common. 



36. Bathinda amas, Fabricius. A single specimen in July. 



37. Dendorix epijarbas, Moore. A single specimen obtained by 



the Museum collector in July. 



38. Bapala melampus, Cramer. May and July ; not common. 



39. Viracliola isocrates, Fabricius. A single specimen in July. 



40. Aphnaius elima, Moore. A single specimen in June. 



Family PAPILIONILVE. 

 Sub-family Piekinjs. 



41. Leptosia xiphia, Fabricius. March to August ; very common. 



42. Terias hecabe, Linn. Typical. May and June ; common. 



,, ,, form hecabeoides. June and July ; common. 



,, ,, ,, msiope. May to July. The commonest of 



the three forms. 



43. ,, venata, Moore. A single pair in July. 



44. Catopsilia catilla, Cramer. March to August ; very common. 



45. „ crocale, Cramer. May to August ; very common. 



46. „ gnoma, Fabricius. July, August ; not common. 



47. ,, pyranthe, Fabricius. May to August ; very common. 



48. Ixias pyrene, Linn. April to August ; very common. 



49. ,> marianne, Linn. Of this two varieties occur. The 



first, which is near to I. meridionalis, occurs com- 

 monly from April to August ; and the second, 

 which is close to I. depulpoora, occurs appai'ently 

 only in July and August. 

 35 



