187-4.] BUTTERFLIES OF COSTA RICA. 341 



116. PAPHIA RYPHEA. 



Papilio ryphea, Cramer, Pap. Exot. i. pi. 48. figs. G, H (1779). 



117. PAPHIA HELIE. 



Papilio helie, Linnaeus, Syst. Nat. 1, ii. p. 773. n. 152(1766); 

 Clerck's Icones, pi. 34. fig. 3 (1764). 



118. Paphia glycerium. 



Paphia glycerium, Doubledav & Hewitson, Gen. Diurn. Lepid. 

 pi. 50. fig 1 (1850). 



119. Paphia amenophis. 



Nymphalis amenophis, Reise der Nov. Lep. Hi. p. 449. n. 735 

 (1867). 



120. Paphia iphis. 



Nymphalis iphis, Latreille, Humb. Bonpl. Obs. Zool. ii. p. 80 

 (1811-23). 



Nymphalis thamyris, Latreille, /. c. pi. 36. figs. 3, 4 (^181 1—23). 



121. Paphia cenomais. 



Paphia cenomais, Boisduval, Le'p. Guat. p. 51 (1870). 



Genus 34. Protogonius, Hiibner. 



122. Protogonius cecrops. 



Protogonius cecrops, Doubledav & Hewitson, Gen. Diurn. Lepid. 

 pi. 49. fig. 2(1850). 



Genus 35. Pycina, Westwood. 



123. Pycina zamba. 



Pycina zamba, Doubleday & Hewitson, Gen. Diurn. Lepid. pi. 48. 

 fig. 3 (1850). 



Genus 36. Aganisthos, Boisduval. 



124. Aganisthos odius. 



Papilio odius, Fabricius, Syst. Ent. p. 457. n, 60 (1775); Sulzer, 

 Gesch. Ins. pi. 13. fig. 2 (1776). 



Genus 37. Megistan is, Westwood. 



125. Megistanis acheronta. 



Papilio acheronta, Fabricius, Syst. Ent. p. 501. n. 249 (1775). 



Papilio cadrnus, Cramer, Pap. Exot. i. pi. 22. figs. A, B (1779). 



Kirby has referred this species, perhaps rightly, to the genus 

 Aganisthos ; in general appearance it is more like A. odius than the 

 other species of Megistanis ; a careful examination of its structure, 

 however, will doubtless settle the question at once. 



Genus 38. Prepona, Boisduval. 



126. Prepona amphimachus. 



Papilio amphimachus, Fabricius, Syst. Ent. p. 457. n. 59(1775); 

 Boisduval, Cuv. Regne Anim. Ins. ii. pi. 139 bis. fig. 2 (1836). 



