Table  IV. 
Correlation  of  tlie  Zones  and  Hemerae. 
Haug,1  1891. 
Munier-Chalmas,2 
1892. 
Buckman,  1893. 
Zone  a 
Oppelia  fusca. 
Hemerce. 
fusees. 
Assise  a 
St  om  echinus 
VIII. 
VII- 
zigzag. 
Trucllii. 
Zone  a 
Cosmoccras  sub- 
furcatum. 
b  igranuiaris.  j  VI. 
' 
Assise  a 
Oppelia 
subradiata. 
Y.  B. 
► 
V.[A.] 
Garantiance. 
niortensis. 
Zone  a 
Sonniuia  Romani. 
Humphriesian  i. 
Assise  a 
Sonn.  deltafalcata.  _ 
IV. 
Zone  a 
Sphceroceras 
Sauzei. 
Assise  a 
Cceloceras  Sauzei. 
III. 
Sauzei.  ■ 
Assise  a 
Witchellia  sp.  j 
II. 
Witchelliee  sp. 
Zone  a 
Harpoceras  con- 
cavtim. 
Assise  a 
Ludwiqia  concava. 
^  r 
discitcs. 
concQvi. 
Zone  a 
Harpoceras  Mur- 
chisonce. 
...  1  I.  < 
Assise  a  / 
Ludwigia  Mur-  ' 
chisonee. 
B. 
,A. 
bradfordensis. 
Murchisonce. 
1  ‘  Les  Chaines  subalpines  entre  GTap  et  Digne,’  Bull.  Serv.  Carte  geol.  France, 
tome  iii.  No.  21,  1891-92,  pp.  61-81. 
2  Cornpte-renclu  sommaire  cles  Seances,  Soc.  geol.  France,  1892  No.  14, 
pp.  164-167. 
