154 DISTRIBUTION OF PUPILLIDAE. 



Costigo ( ?) borbonica H. Ad. 25:367. Reunion. 

 C. ( ?) desmazuresi Cr. 25:368. Rodriguez. 



Oriental Region — India and Ceylon. 



Related to the Ethiopian Region by Gastrocopta s. sir., 

 Pupoides, Microstele and Nesopupa, and to the Indo-Chinese 

 fauna by the presence of Sinalhinula and Boysidia. Trun- 

 catellina and Columella are Palaearctic elements barely enter- 

 ing the Oriental borders, but included here for convenience. 



Gastrocopta mimula Bens. 24 :134. Ceylon. 

 G. serrula Bens. 24 :135. India. 

 G. (Sinalbinula) bathyodon Bens. 24:136. India. 

 G. (S.) huttonianaPfr. 24:137. India. 



Boysidia plicidens Bens. 24 :198. India etc. 



B. landurensis Pils. 24:204. India. 



Pupilla ( ?) eurina Bens. 26 :203. Nepal, Kashmir. 



P. ( ?) seriola Bens. 26:204. Cuttack, Darjiling etc. 



P. (?) diopsis Bens. 26 :205. Nerbudda Valley. 



Pupoides coenopictus Hutt. 26 :123. India. 



P. lardea Pfr. 26 :126, 237. India. 



P. karachiensis Peile. 28 :80. India. 



P. doriae Issel. 26:122. Persia. 



P. tutulus Rve. 26 :122. India. 



Microstele muscerda Bens. 26 :148. Ceylon, India ? 



Nesopupa barrackporensis Gude. 25 :348. India. 



N. brevicostis Bens. 25 :346. Bengal. 



N. salemensis Blf . 25 :347. Kalryen Hills. 



N. cinghalensis Gude. 25 :347. Ceylon. 



Pupisoma evezardi Blf. 26 :24, 235. Bor Ghat. 



P. miccyla Bens. 26 :26. Ceylon. 



P. longstaffi G.-A. 26 :27. Ceylon. 



P. eacharicum G,-A. 26 :29. Silchar. 



P. orcula Bens. 26 :31. India. 



Boysia boysii Pfr. 26 :226. India. 



Truncatellina hiraalayana Bens. 26 :71. Simla etc. 



Columella giitta Bens. 27 :241. Spiti Valley. 



Burma, Indo-China, Malay Peninsula. 



The Gastrocoptas belong to the subgenus Sinalbinula. The 

 extraordinary development of endemic genera of several col- 



