Order Aiio:r.alorlesDacea '''-D 



7amilj? Vertioordiidae 269 



~'BTi\il.i' "Poror; . _ _,g 275 



'•■:''■'] ■ - ' " ?viz''^ ■' ^ 27 6 



•^rder Teleod&uiiiacea r: -^ 



Family' Oraocatelli ' £ :;, 



■^ c , -•' i '- \ r"; r, o 294 



?aniil^/ Gliaiiddae SCO 



T'a.milj" lU',; ■ ,. : . 



family Diplodorxtidae "'"'- 



■^amilj' lept onidae " 



?arail3i Sportellidae T'-r 



^amly T^elliellidae ? S07 



--1 _ . 



orally "^ardiidae 5T59 



Fanvlli^ Tenafacidao ? ir.'-'" 



Tanil^ •. ^u rl, , i37 



.?a.mily Cooperellidae 'r74 



family Tellinidae 47 7 



Tamily Seraelid ac 51C 



family Donacidae 515 



li'amily Solenidae '13 



■^amily Ilactridae '^■'\2 



"^wrnilj? Heaodesmatidae "->:"" 



Farnil:; orl^uli dae 525 



""ar.ii^ , trocbaenid,:,e ""G 



?arnil, ■ idae 538 



"^a-Tiiily Teredinldse ' r.' 



7ita - - 



