No. 104.] 



229 



Summary, 



NAME. 



Aviculopecten 

 Lyriopecten .. 

 Pterinopecten 

 Crenipecten . 

 Pteriiiea . . . 

 Actinopteria 

 Ptychopteria 

 Glyptodesiua 

 Leiopteria .. 

 Leptodesma . 

 Pteroniies . . . 

 Palfflopinna. . 

 Eotenodesma 

 Liiuoptera. . 

 Byssopteria. 

 Mytilarca . .. 

 Gosselettia . 



Modiola 



Blodiomorpha 

 Goiiiophora . 



Microdon 



Nucnla 



Nuculites 



Leda 



Palfeoneilo . . 



Macrodon 



Ptychodesma 



Nyassa 



Grammysia. 

 Eiithydesraa. 

 Edmondia ... 

 Spheriotus.. . 



Spntliella 



Conocardium 



Panenka 



Glyptocardia 

 Pr£Bcardimn . 

 Paracardiiim. 



Pararca 



Cardiopsis . 

 Luntilicardium 

 Paracyclas . . . 

 Schizodiis ... 

 Prothyris .... 



Solemya 



Tellinopsis.. . 

 Cimitarla .... 

 Pholadella... 

 Phthonia .... 

 Orthonota . . . 

 PalsBosolen . 

 Cypricardinia 

 Paljeanatina . 

 Prorhynchus 



Glossites 



Elymella 



Sanguinolites 

 Palaeomya . . . 

 Proniacrus.. . 

 Cytherndon. . 

 Ciinopistha . . 



Mf>diella 



Meganibouia 

 Amiiigenia . . 

 Allocardium 



16 



c 





a 

 5 

 X 



12 



4 

 8 



i 



5 



'2 



11 



1 



41 



21 



9 



7 

 4 

 9 

 4 

 4 



10 

 1 

 1 

 3 



15 



4 

 3 

 2 



1 

 1 

 3 

 2 

 4 

 4 

 1 



1 

 I 

 1 



"i? 

 1 



174 



V 



c 



V 



O 



93 



o 



C 

 3 



E 

 .a 



16 



7 



7 



8 



10 



10 



22 



S 



55 

 3 



C8 



1? 



9 2.53 



35 



