THE CRINOIDEA CAMERATA OF NORTH AMERICA. 
171 
GEOLOGICAL AND GEOGRAPHICAL DISTRIBUTION OF THE CAMERATA. 
Open figures indicate American Species, those marked (), European. 
NUMBER OF SPECIES. 
Formations. TyricaL Form. Non-rypican Form. 
g gi 3 
| 2 g : 3 ‘ g| 38 : A 
Approximate s = 3 8 2 Ss 3 3 s é a 
General. American. European = § =] g 7 ay 5 aI feu ised 
Equivalents. | $ a 8 ei 2 = 3 | 3 es re Ss} 
S| ee le, |S eeu eisai lo ln guts 
g|a}e| & Sf ae plo lay Wem ee 
z = tenncerel Upper Coal Measures alist 
ag 
23 Kaskaskia . Moscow . 11 }1 
OFA 
St. Louis . : 27 85h 
a Warsaw : 6 1] 5 
) 
a Keokuk . 3 41 5 4 6 
& 
z Upper Rai: 6 = | doulsulleme loaae ny 
3 Burlington ee ee | : (9) - | (1) | (20) (26)| (9) |. 
5 Lower umesvon’ 8 ea SO 28 | 6 
o 
A 
oe Kinderhook 
Waverly 3 . 8] 8 10})|| $Sale 
Chouteau 
Chemung . el 2 
z Hamilton’). ne 1 Bpper Ue Ra 3 13 14 As 2 
F Devonian § 
2 Upper Helderberg . Eifel . (4) | 8(7)] (1) | (3) (2) | (24) 
A Oriskany Grauwacke (1) 2112) | ee 
5 Lower Helderberg . 400 4 3 
1 Dudle = 
a\5 Niagara... | Godin } .|14 (7)|3 (3)/16 (15)/21 (18)|8 (48 (4) [3(5)| . . 
5 es Hudson River 6] 2 1 5 2 
_ oO 
2 5 Trenton 1/8 8 6 
4 
Total American 464 |7/16 35 54 21 151 | 61 66 | 50/3 
Total European 219 (7)|(17)| (84) | (19) } (52) | (20) (4) | (33) (33) 
Grand Total Species . 683 |7 33 52 
