544 
Paradoxides Beds, Faunas of, 
Eastern North America. 
Primitia Acadica, xv., 196 
Aluta, xv., 198 
flewilis, xv., 198 
cirrepedia, xv., 198 
Plumulites Barrandi, xv., 199 
Manuelensis, xv., 200 
Stenotheca salter, xv., 200 
concentrica, xv., 201 
triangularis, xv., 203 
nasuta, Xv., 204 
Hicksiana, xv., 205 
radiata, xv., 202 
Cirripodites, n. gen., xv., 205 
Cambrensis, xv., 206 
Explanation of plates, xv., 206 
Sculpture, xv., 207 
Trilobita, xv., 207 
Agnostus, xv., 207 
regulus, xV., 213 
fallax, xv., 214 
parvifrons, xv., 212; 220 
obtusilobus, xv., 212 
Davidis, xv., 218 
rex, XV., 214 
similis, xv., 215 
vir, xv., 215 
concinnus, XV., 216 
longifrontes, xv., 210 
limbati, xv., 211 
parvifrontes, Xv., 212 
levigati, xv., 212, 233 
trilobatus, xv., 216 
Acadicus, xv., 217 
declivis, xv., 219 
Tessella, xv., 221 
truncatus, Xv., 222 
umbo, XV., 222 
obtusilobus, xv, 223 
Davidis, xv., 225 
gibbus, xv., 226 
marlitus, Xv., 227 
acutilobus, XV., 227 
Nathorsti, xv., 229 
confluens, xv., 230 
fissus, xv., 230 
trifissus, xv., 231 
punctuosus, Xv., 232 
terranovicus, XV., 233 
Ciceroides, xv., 234 
Mamilla, xv., 234 
nudus, XV., 235 
Microdiscus, xv., 235 
INDEX. 
in 
Scheme of relation, xv., 237 
Microdiscus Schucherti, xv., 238 
Precursor, xv., 239 
Dawsoni, xv., 240 
pulchellus, xv., 242 
punctatus, xv., 244 
Explanation of plates, xv., 245 
Trap dikes in the Adirondacks, 
Pre-Cambrian and Post-Ordovi- 
cian, Introduction, xv., 248 
Present rock classification, xv., 
248 
proposed change in classification, 
XV, 249 
the dykes, xv., 249 
distribution, xv., 250 
scarcity north of Adirondacks, 
XV.» ool 
summary, xv., 252 
Paradoxides Zone, place of, viii, 
176 
Paraffine, v., 194 
application in building materials, 
v., 56, 71 
group, v., 196 
from ozokerite, ii., 48, 49 
Paraguayan plants, xi., 131 
Paraguay, the land and the people, 
Rly ot 
Parallaxes, note on determination of 
xili., 75 
of stars, v., 259 
of stars in Cassiopeiz, xii., 56 
Parenchyma of leaf, office of, ili., 39, 
40, 44, 46 
Parexus, xii., 125 
Pargasite, ii., 149 
Parietaria debilis, vii., 4; viii., 81 
Paris, Exhibition of 1889, Minerals 
of, ix., 145 
lecture on, ix., 200 
Exposition, viii., 152, 160 
Park, Adirondack, x., 111 
Parker, Herschell C., elected resi- 
dent member, xiv., 220 
Parkinsonia aculeata, ix., 184 
Paronychia Jamesii, ix., 185 
Parthenium hysterophorus, vii., 11 
Paspalum pubiflorum, ix., 182 
Passiflorez. vii., 9 
Passiflora tenuiloba, vii., 9 
Patagonia, expedition to, xili., 207 
Patents for driven wells, vi., 91 
Patriofelis, xiii., 131 
