Leon das 
FROM LOWER PALÆOZOIC ROCKS. 
TABLE A.—Continued. 
188 
several Graptolitic Zones illustrated in a collection of Graptolites forwarded March, 1886, by the Director of the 
Lapworth for identification and study. 


AMERICAN FORMATIONS AND GRAPTOLITIC ZONES. 
GRAPTOLITIC ZONES, 
Illustrated by recent Geological Survey collections 
rom Quebee, Ste. Anne, Gaspé, ete. 

Graptolitie Zones, New York 
Stat 
e. 
Graptolitie Zones, Canada. 
Graptolitie Zones recognised in Strata 
of Quebec, Orleans I-land, Marsouin 
River, and down to Cape Rosier, 
Gaspé. 




E1.—Graprozimo SHALES of Citadel 
Hill, Quebec, St. John’s, Nfld., 
and N. end of Orleans Island, 
with Diplograptus foliaceus, 
Murch. (var. 1), Climae. bieornis, 
H., Dicran., sp., and Corynoides 
calycularis . 

D*) Canocrartus Zones. Shales of 
Griffin Cove, Marsouin River, 
Little Méchin River, Cap Rouge 
(Quebec), Fox and Magdalene 
Rivers, etc., with Didymograp- 
tus sagittarius, H., Lept. tenuis, 
H., Can. gracilis, H., Dicell. 
sextans, H., D. intortus, Lapw., 
Dieranogr. ramosus, H. (vars.), 
Lasiogr. mucronatus, H., Dipl. 
Whittieldi, H., Dipl. foliaceus, 
D2) Murch. (vars.) 


oe o 
= 5 
Q S 
Fa = 
longs io) 
RME ea 
NE a 
Sa > Z 
= ae E°.—Lorraine Slates of New 2—Utica Slate of Jlake St. ee 
mS York, with Amphigr. John, with Leptograptus z & 
eo A radiatus, H., D. foli- flaccidus, Orth. quadrimu- = & 
a aceus, Murch. cronatus, ete. AA 
q E*.—Utica Slate of neighbour- = 
E1.—Utica Slates of Oxtungo hood of Ottawa, with a 
4 Creek, INES, with D. Lept. flaceidus, L. annec- 2 
iS pristis, H., C. bicornis, tans, Dipl. pristis, Climac. 
al H., Dicran. ramosus, bicornis, ete. BS = 
= Didym. serratulus (?) ra S 
= © 
A 
A 
D 
El 
7 iS! 
< Æ 
ka 38 D*.—Graptolitic Shales of Nor- D*.—Graptolitice Shales of Mar- a er. 
HO manskill, near Albany souin River, with Dicran. al is 
ej = Valley of Hudson River, ramosus, H., Didym. ser- Ê iS] 
[=i] with Dicran. ramosus, ratulus, H., Dicell. sex- < A 
td = Dicell. furcatus, Didym. tans, H , ete. | 3 
iS} serratulus, H., Dipl. mu- aes 
= ; Bae 
= eronatus, Dicell.  sex- RQ 
= tans, D. divaricatus, H., = 
Climac. bicornis, Crypt. a 
mareidus, H. 
C2, /Graptolitie Shales of = 
. Pt. Levis, with Zogan- N oH 
> ograptus Logani, Clon. < = 
> rigidus, Phyll. Anna, = = 
= Z P. tupus, Tetra. bryo- © 
D <q nowles, T. fruticosus, 
(a) ete. 
© 
= A 
< A 
: 
aa E 
5 S en 
Qn mM 
= © = H 
a aA ee 
a 6 a A 
e = 4 
o oD i 
a a 2 
< FA oO 
D a ENS 
P iS A 
€ aa 
aA 
SS 
Q © 
[a=] 
Ay 






C1).—Peyitiocrartus Zone. Shales 
of Ste. Anne River (three miles 
above) with Phyll. Anna, H., 
Tetragr. fruticosus, H., Didym. 
extensus, H., etc. 

Bl.—DicTYONEMA SOCIALE Zone (A). 
Shales of Cape Rosier, Little 
Whale River, Grand Méchin 
Point, with Bryograptus, sp., 
Staurograptus, Clonograptus, 
Dictyonema sociale, Salt. 
Drorxonema Zone (B). Shales of 
Barrasois River, Cape Breton 
Island, with Dietyonema sociale, 
Salter, and Olenideæ. 
OtpHAmIA Zone. Purple Shales 
of Farnham, with Oldhamia, 
sp., like O. radiata. 


