PLATE XVIir. 



,,. ,,, , T^ , ., ., „ , ... „i P. Sdvijedo a sartjetlun horn tliB 



big. 104. Dorsal rulge of haipe Iroiii dorsal side of-, 



^ Shan States. 



... (P. sarpedoii snr2:)e(lon from the 



,, iUO. , .. .. ,, ,, ". 



^ Shan States. 



,,,,, , , { P. n'lrpeiloii sarmdoii from the 



: l"<i- „ ..  ventral „ , „, J^ , 



( Shan States. 



,„_ \ P. so.fpedon sarnedou from 



.. 10'- ■, .. ,, ,. •• ■; 



' Thaiping, ,Malay Peninsula. 



.. [P. sarpedoii sarpedon from 



^ Sikkim. 



,„„ , , (P- sarpedon sarpedoii from 



.. iOU. ,, ., ., (lor.sal ,. "j 



^ Mt. Mulu, Sarawak. 



.. fP. sarjjedoii sarpedon from 



" ^ :\It. ."\Iulu, Sarawak. 



.^^ fP. sa,rpedoa s<trpedon from 



 Jlindoro. 



" 11-- ,, ,, ., apical sideof P. .sYtcpc'fioH sarj3erfo';i, ad fig. 111. 



,, llli. UutlineofapexofvalN'eofP.sdr/ietfodsrt/yj&Zrj/ifromShan Slates, ad tig. 105. 



•■ 11-1. „ ., ,. ,. „ „ „ ,, adiig. 106. 



,, 115. Valve with harpe of i^ sarpedon teredon from Trichopoiis. 



,, 1 Ki. Dorsal ridge from abo\e of P. sarpedon teredon, ad fig. 115. 



•. IH- ., ,, ,, ventral side of 7^. «rtr^jecfo>j ieretZoH, ad figs. 115 and IKi. 



„ 118. Trau.sverse ridge fromapical side of valve of P. sarpedon teredo it from S. India. 



., 119- „ „ „ „ „ „ „ adfig.s. llGand 117. 



" !-"■ ,. ,, ,, ,, ., „ ,, from Cejdou. 



,, lli\. \'alve with harpe of P. sarpedon jiujaiw from Sumba. 



,, \2'1. Dorsal ridge from apical side of P. sarpedon jugans, ad fig. 121. 



-. I--'- „ „ „ ventral „ „ ., ad figs. 121 and 122. 



!. 124. ,, „ „ apical „ „ ,, from Sumba. 



„ 125. Transverse ridge from above of „ „ ad fig. 12o. 



.. V2(i. „ „ ., ,. ., „ ad fig. 124. 



,. 127. Dorsal ridge of harpe from ventral side of P. sarpedon adonarensis from 



Adonara. 

 ., 128. Transverse ridge from abo\e of P. sarpiedon timorensis from \\"etter. 

 •. 12!). „ „ ., „ ,. „ „ „ Timor. 



,, 130. Dorsal ridge from apical side of P. sarpedon chwedon from Cairns, 



(v'ueeusland. 

 „ 131. Dorsal ridge from ventral side, middle portion, of P. sarpedon ckoredon, 



ad fig. 130. 



