iqi4-] F- H. Gravely : An Account of the Oriental Passalidae. 303 



Leptaulax anna, Zang. 



Lcptanlax ■\anna. Zang, :qo5(/. p. 316. 

 Locality : — 

 Sumbawa. 



Leptaulax timoriensis (Percheron). 



Passaliis timoriensis, Percheron, 1841, pp 19-21, pi. Ixxviii, fig. i. 

 {Leptaulax timoriensis [part], Wystiuan, 1884, p. 332.) 

 ?} Leptaulax dentatus var. Timorensis, Schaufuss, 1885, pp. iih-7. 

 Leptaulax \glahricollis, Kuwert, 1898, pp. 293-4. 

 Leptaulax timoriensis, Zang, 19050, p. 223. 



Locality : — 

 Timor. 



Leptaulax dentatus (Fabricius). 



Passat us dentatus, Fabricius.. 1792, p 241. 



Passalus dentatus, Fabricius, i8or, p. 256. 



Passalus dentatus, Weber, 1801, p. 82-3. 



Passalus quadridentatus , 1826, Sturm, p. 182. 



Passalus dentatus, Percheron, 1835, pp. 66-7, pi. v, fig. i. 



Passalus dentatus, Percheron, 1841, p. 21. 



Passalus timoriensis + dentatus, Burmeister, 1847. pp. 473 and 477-8. 



Passalus dentatus, Castelnau, 1850, p. 178. 



Passalus Timoriensis ^- dentatus. .Smith, 1852, pp. 17 and 20. 



Passalus dentatus, Redtenbacher, 1867, p. 49. 



Passalus dentatus, Kaup, 1868a, p. 114. 

 (Leptaulax dentatus, Gemminger and Harold, 1868, p. 969.) 



Leptaulax timoriensis + dentatus, Kaup, 1871, pp. 33-34- 



Leptaulax -f dentatus + -fbicolor [part] Stoliczka, 1873, p. 155. 



(Leptaulax timoriensis {gaiX\i\ + dentatus, Wystman, 1884, p. 332.) 



Leptaulax dentatus + ? var. Timorensis, Schaufuss, 1885, pp. 186-7. 



Leptaulax ? Ribhei + Saigonicus + ? Dentatus + ? var. Bornensis + ? var. Indicus + Timoriensis + 

 Darjeilingi, Kuwert, 1891, pp. 188-190. 



Leptaulax ? abdominibarbatus + malitiosus + submeiius ¥ saigonicus + ^niicus + ?ab. insignis + 

 timoriensis + exterris + tdarjeelingi + f celebensis + t dentatus + mixtus + inter ponendus + 't bor- 

 nensis + ^ribbei + ?geminatus, Kuwert, 1898, pp. 293-300. 



Leptaulax -fmalitiosus, Zang, 19046, p 185 



Leptaulax ^ tontiinensis ^^humerosus [part], Zang 1905". PP- 102-4 and 112. 



Leptaulax ^dentatus, Gravely, 1914a, p. 31. 



Leptaulax -f dentatus + var. ^ glahrivcntris. Gravely, above, pp. 252-255, pi. xiii, fig. 52-520'- 

 This species is so common, so widely distributed, and so variable that it is not sur- 

 prising to find that isolated colonies or individuals have received a number of different 

 specific names 



It is impossible to be sure from Kuwert' s description alone where L. abdomini- 

 barbatus should be placed. The three Bornean specimens that I have identified as his 

 L. anibarbis from Borneo, agree, however, with his description of that species per- 

 fectly as far as it goes; and the essential characters in which L. anibarbis dm^ts 

 from L. abdominibarbatus are just those in which the specimens I have identified as 



