FORMOSAN RHOPALOCERA QJ 



Named after the Japanese name for the Island of Formosa, 

 Taiwan. 



Expanse. Male 89 to 90 milimetres ; female, 88 to 100 millimetres. 



39. Prioneris thestylis, Doubleday. 



Var- formosanus, Fruhstorfer. 

 Kershaw, Butt. Hongkong, pi. ix,fig. 13 %, p. pj, (1Q07) ; Wileman. 

 Ann. Zool. Jap. Vol. vi. pt . 3, p. 32p, No. 22, (ipoS). 



Collection Number 152. Two male and one female specimens; 

 Suisha, (Lake Candidius), July 17, 19, 1908. 



1 am informed by Professor Matsumura that the variety of thestylis 

 occurring in Formosa is referable to var. formosanus, Fruhstorfer. 



Distribution, Macao ; Formosa. 



Subfamily Papilioninae. 



40. Papilio eurous, Leech 



Var. koxinga, var. now 

 Papilio crous. Leech, Butt. China, 'Japan, Corca, ii, p. 521, pi. 32 

 fig- 3 î, ( T Sp2-pf) ; M, Seit.?, Macro-Lcp. of the World, pt. 1, pl. 8, 

 A, p. 1 3 (=panopaea, de Nicéville), (içoS). 



Papilio panopaea. de Nicéville r Journal Bombay Nat. Hist. Soc. Vol. 

 13, p. ij2, A T o. iS, pl. EE, fig. 20 I, (/poo). 



Collection Number 190. Two male and one female specimens ; 

 Arisan, 7300 feet, June, 1908 ; Gahozan, Lake Suisha (Candidius), 4000 

 feet ?, July 21, 1908. 



This Papilio does not agree with the figures given in Seitz's 

 " Macrolepidoptera of the World" (Part 1, pl. S, fig. A) of the three 

 allied species alebion, Gray, tamerlauus, Oberthür and mandarimis, 

 Leech. It agree better with the figure of eurous, Leech, of which it 

 seems to be a local variety. 



Description. Male. Forewing-upperside. Markings the same as 



