248 | Pentamerus levis? 
249 Fac 9 ee 
250 icra. 
251 | Terebratula (N. S.?) 
oition Lae 
aroma : 
Roissyii. . 
sacculus. . 
é wndet) 
subtilita. . 
Atrypacomis. ... 
reticularis. . 
aspera. . . 
(NS) ees 
hemiplicata, 
modesta, . . 
capax. : 
eoncentrica. . 
antiqua. . . 
Ler alae 
282 8. u : 
283 | Fusulina pte ‘ 
striatoplicata. . 
“ee 
; POLYPARIA. 
; & 284 | Catenipora escharoides. . 
F ethno 
. 
aw? 
al 
(ier a ee 
wy 
* 
* 
* 
% 
th 
|| Dubuque District. 
Near Davenport. 
Makoqueta River, ‘Dubuque | 
istrict. 
Skunk and North — 
Keokuk Rapids. z 
Des Moines River. 
“ “cc 
Near N. Buffalo. 
24 pi aaa Rockingham. 
Par 
Des Moines. . 
Above Rockingham. 
Forks of Ceda r divers ear 
Rockingham; New Buffalo; 
Shell pe bine ae, 
Towa Riv 
Big prenlien ‘Turkey River. = 
Above Savannah. : 
Above ana) Prairie du 
Chien; Mineral Point Dis- 
trict. 
Pine Creek, and near Rock- 
ingham. 
Rapid Creek; Fairport. . 
Miss. R., below Mt. Island. 
Falls of St. Croix. 
ae “ 
Mt. Talia Miss. River. 
esas Dubu “ans 
Tow. 
F all is of St. Croix. 
Dubuque District. 
ESky River. 
r St. Joseph’s, Mo. River. 
High grounds in the Dubuque 
District. 
Springfield, 0. . 
Springfield, 0. ; Clarke, Ind. 
Bellevue, G. Nemahaw, Little 
Pistia, Mo. River; care 
x haa Tenn., Kentuck 
Greenville, Terre “Haute, 
Ind.; Knobs, Cloverport, iy 
G. Ps mahaw, Morgan’s Island, 
River. 
weaves Mo. River. 
L. Fort Garry. . 
Weston, Mo. River. . 
Middleville, Waterton, Ny. 
Cin eee $9 Soma me Madi- 
ankford, Mays- 
ville yor "heer atin, N, >. 
ye part of Trenten Lim 
e, N. ¥.; Madison, ed; 
Davidson Co. ky ere Frank. 
fort, Ky., 
Eighteen Mile Creek, N, Y.; 
Falls of the Ohio. 
Moscow, N.Y. . 
Essex, Potsdam Sandstone, 
Hammond, N. Y. 
L. Ft. Garry, Red River N. 
Flint Ridge, Ohio; near Fort 
Kearney, Bellevue, Mo. R. 
Falls of the Ohio ; Beargrass; 
vbr Landing, aa ; 
Clinto wie, Niagar 
innipeg. 
r Gt. 
Lake W 
England 
Vi st, Tournay, Bel. 
Tournay, Bel.; Yaouza, 
Bos 
Tournay; var. loc. in 
England and Ireland; 
Peredki, Altai. Blank- 
Saticten. 
Aymestry, Dudley; Goth- 
land; Prague; Russia. 
a Ladoga; Tus. 
Rus. and Ural. 
Essex. Gothland, é&c. 
Aymestry and Wen- 
lock Limestone. 
Caradoc Sandstone of) Sow 
England. 
in. Conch., 1818, p. 28, 
fig. 2. Mur. Sil. Sys., pl. 19, 
g. 
ab. III. A 
Diteee Teas ge sen ok ee fig. 1 
Caradoc Sandstone of — of Survey of 1839, pl.7, 
r, Sil. Sys., pl. 19, 
9. 
gent Mo. River, interme- 
te bebe be Plano: -sul- 
cata and Roissyi 
Tab. IIT. a, fig. 13. 
Kon. Desc., p. 299, pl. 20, 
fig. 5. 
Kon. Desc., p. 800, pl. 20, fig. 1. 
Not yet figured. 
Kon. Desc. Foss. of Bel., p. 293, 
pl. 20, fig. mi ane in Dey. 
strata of Bart 
Tab. II. 3, fig. 18 
. ITI. A, fig. 16. 
Allied He! T. Versifofii 
T. lacunosa. Wah. Mur. Sil 
Sys., p. 61é 
central part of Ludlow. 
“ee bury’s Ex. G. Salt L., 
nab, Til. a fig. 4. 
ca. “Tenbeatema reticu- 
joke. 
Variety? of —— 
Tab. III. A, fig. 1 
Hall’s Pal., p.1 ipl 38, fig. 10. 
Producta modesta, Say. Hall’ 
Pal., p » pl. 83, fig. 15 
In the a and be 
per part of shaly Tren 
Limesto Y 
Jour. hag Sci., 1839, p. 
264, p} 1d, A. inere- 
bescens tele Pal, 1847, 
146, pl. 33, Fa Tere- 
= 
- 
oF 
= 
“ 
na 
rg 
a 
= 
at 19, fig. 3 : 
bit, B ae "2 and 10. Hall’s 
ie p. 1. 1, fig. Se 
Tab. I. 8, Es ‘Yout = Hall’s 
fig. 
Tab. He B, fig. 8. 
Tab. I. 3, figs. 13, 17, 19. 
Tab. II. », fig. 13. 
oe =. oe Said to 
_ rity, but no 4 £0 
ep. of Sur- 
vey of 1830, ph ‘@ y cue Pet., 
4, tab. 2: 
