TABLE, CONTINUED. 
PROTOZOIC == SILURIAN ROCKS. pins gape Carboniferous 
u ig cert Sele 
= Devo imestones. 
Lower | Upper. Rocks LOCALITIES ELSEWHERE 
q “i F ee “ 28 é 3 si ed bd ; IN IN THE REFERENCES, SYNONYMS, 
. Dm oe % 
GENERA AND SPECIES. tas PEAR 8 ca rela, aa] w oe a WISCONSIN, IOWA, UNITED STATES EUROPE. AND 
pal “ 2 . oe re °F 
BEF g 24 a2 m8) ea 8 8S 3 8 2 AND AND REMARKS. 
ui ° ; — |5o0 a S i ; 
or g28 + | oh ri “55/3 o}] = 2 MINNESOTA. CANADA. 
Balsegics |e! 281 se gs 8 EF 5 
83 Bal -ah nee 34 ,3 4 6 2 H Hy 
SO lads : a 2) 2 OS ; 2 
ERIN eh $8% bo ad Sz S FI E = 
i ae is ti 6° Ss & 8 rs) 
Bracaroropa gga : | 
228 | Chonetes yariolata ; | Missouri River. Shropshire ; Tournay; | Productus yariolata. 
Karova, Wol, peony 
Rus.; 8. Amer.; Au 
229 crenulata? * Augusta. onemays Couvin; Rel, | = Mon., 1848, p. 205, pl. 20, 
an Orthis crenulata of 
sts: 
280 semiovalis. . . ; F at «? cin Nie een ere Ae Oa mag —— = eee 
231 Laquessiana? . : # : 8 miles below Rockingham. . Bel.; Spain; Derwick; yor Mon, 1848, p. 198, pl. 20, 
Rahoran 
232 | Productus punctatus. . Ps Keokuk Rapids, Miss.; Napo- a veh nied Platte, Mo. R.; | Visé i tive, Neseee ta Pie 4 Min .Conch,, p.325. Kon. 
leon. e, 0.3; Quincy, Kas- Prikeha, Ng Ural, Mon., p. 228, pl. 12, fig. 2. 
respec mn; : Eadyrille Ky.; w, &c., Rus.; 8. 
Flint Ridge Fe 5 Kildare Ra- 
; ingen pain 
233 (N.S?) . . i Keg Creek, Mo. River. . Var. loc. in Russia. This species is closely allied to 
P. cancrini (Kon. Mon., p 
105, pl. 11, fig. 3); but as 
that isa Permian species, it 
. is probably distinct. 
ie 7 ae . : : eae 7 +, ‘ Sor euraete; Visé. . Kou iton ». 132, pl. 14, fig. 7. 
gee ge ae % a? Nor iver. 
236 Boliviensis. , 5 é fae i. ea he Bellevue; Little Platte. Bolivia; Yarbichambi; | Pal. tg Am, d’Orb., p. 52, pl. 4, 
: 8. Rus. 
237 lobatus? . # Skunk River. . Wayne City, Mo. River. Arran, Otterburn, I P. ‘Feming and longispinus. 
Liv ea: Wath be Pearson ma ag, fn 7. 
r Ratingen, &e. eol, York, p p g 
238 floxistria. . Keokuk Rapids. Vise, Kitdare; Cosatchi- | Kon. Mon, p. 144, pl. i? fig. L 
Datchi, Ura 
239 cora, rn Keokuk Rapids; Augusta; | Keg Creek, Bellevue, Ft. Kear- Visé, To Pb Chokier; | Tab, V., fig. 1. Pal. 8. Amer. 
Sweet Home; Des Moines. ney, Iowa Point, Mo. River, Ra’ atingens Yorkshire, D’Orb., p. 55, pl. 5, figs. 8, 
Kendal, &e. 9, 10. 
240 Flemingii. : Augusta. . Keg Creek; Bellevue; Viné, Teakeay , &e. ‘ Sow. Min. Conch., p. 155, pl. 
oi : Grayson Co., Ky Ratingen, Atwaseer; 68, fig. 2. 
Zane Cu occ North 
umberland 
241 (s. poet) Pe es : # Skunk River. 
242 costatus. eo: bead : % Satins funaetas Keg Creek; Bellevue; Fort | Sloboda, eons, Sow. Min. Conch., p. 115, pl. 
3 Kearney; Wellington, Ky. Karova, Rus. Eng., 360, oe, i ee .. Mon.) p. 
: irl. 192, pl. 8 
243 ae Cihgeeagi ea é # Bellevue, Mo. Riv Tab. V., fig. Ae 
244 (N.8.) . cae bem . & . Wayne City, Mo. ives This po: species resembles 
one from the onl Leg ape 
mn 0. 
245 (N. 8.7) a? Pes Des Moines. ecies resembles P. cora, 
beets is, perhaps, igs 
246 semireticulatus. 10 m. below Ft. Kearney; Nish- Flem, 1828. on. Mo 
nabotna; Leavenworth; 183, pl. 8 
Keg Creek; St _ a“ 
247 carbonarius? 2? #? Keg Creek, Mo. Riy Chokier; Prikcha. . Kon. Mon., p. 202, pl. 10, fig. 4. 
