DU SILURO-CAMBRIEN DE BELGIQUE. 



431 



Massif du Brabant. Bande de Sambre-et Meuse. 



Meristella crassa Sow. p. 



— didyma Dav. 



— tumida Daim sp. 

 Leptœna segmentum Ang. 

 Stropfwmena antiquata Sow. 



— pecten L. sp. 



rfwmboidalis Wilck. 

 Orthis biloba L. 



— Edgelliana Sait. 

 Discina rugata Sow. 



Annélides. 



Cornnlites serpularius Schl. 



Anthozoaires. 



Halysites catenularius L. sp. 

 Cœnites sp. 



Favosites gothlandica L. 



— Hisingeri Milne-Edw. 

 Petraia bina Sow. 



Heliolites (Propora) tubidatus Sow. 

 Obolus Davidsoni Sait. var. transversus. 



Stéa. Assise de Grand-Manil. (Llandovery.) Sl2a. Assise de Roux. 

 Tarannon. 



Monograptus bohémiens Ban*. 



— galaensisl Lapw. 



— cf. personatus Tullb. 



— priodon Bronn. 



— proleus Barr. 



— cf. Sedgivicki Portl. 



— subconicus Tôrnq. 

 Protovirgularia dichotoma Me Goy. 

 Diplograptus modestus Lapw. 



— vesiculosus? JNich. 



Climacograptus normalis Lapw. fCY. Climacograptus normalis Lapw \ 

 scalaris L sp. var.). 



Climacograptus rectangularis x\lc Coy. 



