8 CONTENTS OF APPENDIX. 



L. COSTEIBUTIOSS TO FAL^ONTOLOGY. — CoK««Med. 



V. ON THE GEXEEA SPIErFEEA, CYBTIXA AND ALLIED GENERA. 

 VI. ON THE GENERA ATHYRIS, JIERISTA AND MERISTELLA. 

 Vn. NOTE UPON THE GENUS ZYGOSPIEA AND ITS EELATIONS TO ATRYPA. 

 VIH. REMAEKS UPON THE GENERA EHYNCHONELLA AND LEIOEHYNCHUS. 

 IX. ON THE GEN^ERA PENTAMEEUS AND STEICKLANDINIA, AND THEIR SUPPOSED 

 EELATIONS WITH EENSSEL^RIA. 

 5. NOTE ON THE GENTJS EICHWALDIA. 

 XT. ON THE GENTJS TROPIDOLEPTUS. 

 XU. NOTE ON THE GENUS PALiEASTEE AND OTHEE FOSSIL STAE-FISHES. 



M. DESCRIPTIONS OF N'EW OE LITTLE KNOWN SPECIES OF FOSSILS FROM EOCKS OF THE AGE 

 OF THE NIAGAEA GROUP. BY JAMES BALL. 



I. EELATIONS OF THE NIAGAEA GROUP WITH THE LECLATRE, EACISE AND 



GUELPH LIMESTONTES. 

 n. DESCEIPTIONS OF FOSSILS OF THE NIAGAEA GROUP. 



in. LIST OF FOSSILS OF THE NTAGARA GROUP OCCURRING IN THE WISCONSIN, 

 ILLINOIS AND IOWA LIMESTONES. 



