SYSTEMATIC IX.DEX. 



Page 



14. Lamellidens,*S'm;js0 (sensu 



stricto) 175 



1. rnarginalis (Lamarck] . . 175 



var. obesa (Heinle y $ 



Theobald] 170 



var. tricolor (Kiister) . 170 

 var. zonata (Deshayes) 177 

 var. candahftrica(Jiaw- 



iey Theobald).... 178 

 var. cylindrica (Han- 

 ley $ Theobald) . . 179 

 var. hanleyi, Simpson . 179 

 subsp. thwaitesi (Lea) 179 

 subsp. consobrina 



(Lea) 180 



subsp. lamellata (Lea) 180 

 var. sublamellata, 



Preston 181 



subsp. scutum (Sower- 



by) 181 



var. humilior (?;. Mar- 

 tens) '. 181 



subsp. corrianus (Lea) 183 

 subsp. generosus 



(Gould) 184 



eubsp. jenkinsianus 



(Benson) 184 



subsp. sawaddyensis, 

 Preston 185 



2. pulcher (Tapperone- 



Canefri) 185 



var. lamellatiformis 



( Tapparone- Canefri) 185 

 var. ponderosus (Tap- 

 per one- Canefri) 185 



3. exanthematicii8(Jtt*fcr) 187 



4. canefrianus, Simpson . . 187 



5. narainporensis, Preston . 187 



6. nongyangensis, Preston . 190 



7. phenchooganj ensis, Pres- 



ton) 190 



8. mainwaringi, Preston. . 190 



15. Trapezoideus, Simpson .... 193 



1. foliaceus (Gould) 193 



var. comptus (Deshayes 

 Sf Jullien) 193 



var. zayleymauensis, 

 Preston . 194 



2. misellus (Mordet) .... 194 



3. exolescens (Gould) .... 195 



4. theca (Benson) 195 



16. Arcidopsis, Simpson 196 



1. footei (Theobald) 196 



Page 

 Subfain. 1. ^Etlieriince 197 



1. Mulleria, Ferrusac 

 1. dalyi, Smith. . 



197 



Suborder 3. Conchacea 

 Fam. 1. GLAUCOMYIDJE . 



Subfain. 1. Glaiicomyince 



1. Tanysiphon, Benson . 

 ]. rivalis. Benson. . . 



197 



197 



200 

 200 



200 



200 

 201 



Fam. 2. CYBENIDJE 201 



Subfam. 1. Cyrenince 201 



1. Cyrena, Lamarck . 201 



1. ceyloniea (Chemnitz) . . 202 



2. impressa, Deshayes .... 202 



3. smuosa.,Desh(iyes .... 205 



4. bengalensis, Lamarck . . i ; 05 



5. tennentii, Hanley 206 



6. proxima, Prime 206 



7. galathese (March) .... 207 



2. Batissa, Gray 207 



1. iuflata, Prime 208 



2. sirnilis, Prime 208 



3. capillata, Preston 208 



3. Velorita, Gray 209 



1. cypriuoides (Gray) .... 209 



2. cochinensis (Hanley).. . 210 

 3. Coibicula, Meaerle ...... 210 



1. fluminalis '(Miiller) 211 



var. liolstitina, Scklesch 211 



2. fluminea (Miiller) 211 



3. fluviatilis (Miiller) . . 212" 



4. parvula, Prime 212 



5. agrensis, Prime 213 



6. subradiata, Prime .... 213 



7. cashmirensis, Deshayes .213 



8. trigona, Deshayes .... 214 



9. striatella, Deshayes .... 214 



10. huttoniana, Clessin .... 215 



11. subnitens, Clessin 215 



12. solida, Clessin , 215 



13. nevilli, Clessin 216 



14. occidens, Deshayes .... 216 



15. iravadica, B Ian ford. . . 216 



16. regularis, Prime 217 



17. bengalensis, Deshayes. . 217 



18. bensoni, Deshayes .... 218 



19. consan guinea, Prime . . 218 



20. sylhetica, Preston .... 218 



21. quilonica, Preston .... 219 



