1516 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Isle La Motte sandstone, Ordovician, Ver- 

 mont. 



Izard limestone, Ordovician, Arkansas 

 and Missouri. 



Jacksonburg limestone, Mohawkian, New 

 Jersey. 



James River formation, Lower Ordovi- 

 cian, Nova Scotia. 



Jasper limestone, Big Buffalo series, 

 Arkansas. 



Jefferson City limestone, Canadian, Mis- 

 souri. 



Jessamine series, Trenton, Kentucky. 



Joachim limestone, member of St. Peter 

 sandstone, Missouri. 



Jonesboro limestone, Canadian, Tennes- 

 see and Virginia. 



Juniata sandstone and shales, Lower Me- 

 dinan, Pennsylvania and Maryland. 



Jupiter River formation, Anticostian, An- 

 ticosti Island, Quebec. 



Kagawong beds, Richmond, Ontario. 



Keefer sandstone, Clinton, West Virginia, 

 Pennsylvania and Maryland. 



Kentucky marble (=0regon dolomite), 

 Black River, Kentucky. 



Keppel dolomites, Silurian, Ontario. 



Ketona dolomite, Upper Cambrian or 

 Ozurkian, Alabama. 



Key sandstone (=St. Peter), Big Buffalo 

 series, Arkansas. 



Keyser formation, Lowest Helderbergian, 

 ^Maryland, Pennsylvania, etc. 



Kigluaik series, Pre-Silurian, Alaska. 



Kimmswick limestone, Black River, Mis- 

 souri and Illinois. 



Kirkfield limestone, Trenton, Ontario. 



Kittatinny limestone, Ozarkian and Cana- 

 dian, New Jersey, etc. 



Klutena series (schists) Pre-Silurian, 

 Alaska. 



Knox dolomite, Cambrian and Ozarkian, 

 east Tennessee, etc. 



Kokomo limestone, Upper Cayugan, In- 

 diana. 



Kugruk group, Silurian or Devonian, 

 Alaska. 



Kuzitrina formation, Pre - Silurian, 

 Alaska. 



Laketown dolomite (=Fus8elman), Niag- 

 aran, Utah. 



Lancaster limestone, Canadian and Ordo- 

 vician, Pennsylvania. 



Laughery formation, Richmond, Indiana, 

 etc. 



Laurel limestone, Upper Niagaran, Indi- 

 ana, Kentucky, and Tennessee. 



Lauzon formation, Quebec group, East- 

 ern Canada. 



Lebanon beds (=Richmond), early Medi- 

 nan, Ohio Valley. 



Lebanon (=Glade) limestone, Stones 

 River, Tennessee, etc. 



Leclaire limestone, Cayugan, Iowa and 

 Illinois. 



Lego limestone, Upper Niagaran, west 

 Tennessee. 



Lehigh limestone, Mohawkian, eastern 

 Pennsylvania. 



Leipers Creek limestone, Richmond, 

 Tennessee. 



Leipers formation, Cincinnatian, Tennes- 

 see. 



Lenoir limestone, Chazyan, east Tennes- 

 see and Virginia. 



Leon series, Silurian (?), Texas. 



Leray limestone, member of Lowville 

 formation, Black River, New York and 

 Ontario. 



Levant, Silurian, Pennsylvania. 



Levis formation, Canadian, Quebec and 

 Ontario. 



Lewiston (=Queenston shale 1 ) . Richmond, 

 New York, etc. 



Lewiston limestone, Silurian-Early Devo- 

 nian, Pennsylvania and West Virginia. 



Lexington limestone, Trenton, Ken- 

 tucky. 



Leyden phyllite, Ordovician (?), Massa- 

 chusetts. 



Liberty beds, Richmond, Ohio Valley. 



Liberty Hall limestone, Black River, Vir- 

 ginia. 



Little Falls dolomite, Ozarkian, New 

 York. 



Lobelville formation, Upper Niagaran, 

 West Tennessee. 



Lockport dolomite, Niagaran, New York 

 and Ontario. 



Lockport group or stage, Upper Niagaran. 



Logana limestone (=Hermitage), Tren- 

 ton, Kentucky. 



Lone Mountain limestone, Early Silurian, 

 Nevada. 



Lone Mountain quartzite, Lower Ordo- 

 vician, Nevada. 



