INDEX. 
473 
j^APONODICTIS, 446 
thylacynoides, 446 
Natica, 186, 191, 319, 323 
auca, 186 
barroisi, 186 
callosa, 189, 293 
chilina, 186 
chiloensis, 186, 188, 257, 304, 305 
consimilis, 19 1, 258, 262, 267, 282 
darwini, 189, 258, 260, 267, 270, 271, 
276, 293, 296, 298, 299 
famula , 187, 261 
ganae, 186 
globosa, 189 
hantoniensis, 1 89, 293 
heros, 190, 19 1, 293 
interna, 190 
moerickei, 189 
obtecta , 188, 189 
omoia, 191, 261, 264 
ovoidea, 187, 258, 261, 267, 274, 298, 
305 
oyarzuni, 1 87 
pachystoma, 186, 187 
var. moerickei, 188 
perspectiva, 190 
secta, 189 
secunda, 188, 189, 258, 261, 267, 282, 
293, 295, 298 
solida , 187, 188, 260, 270 
sp., 277 
subtenuis, 190, 191, 258, 262, 267, 293, 
295 
venusta, 187, 304 
vidali , 188 
Naticidae, 186 
Navidad beds, 287, 298, 299, 303, 304 
Neilo, 85 
ornata , 85 
Neocomian, 8, 9, 35 
of Argentine Republic, 26 
of France, 17, 21 
Upper, 19 
Neogene, 295, 296 
Neoptychites, 37 * 
New Bay, see Port Madryn 
New Zealand, 299, 303, 315, 316 
Newton, E. T., 319 
Nicholson, H. A., 70 
Nordenskjold, O., 306 
Nothofagus variabilis, 306 
Nucula, 80 
araucana, 81, 298 
bronni, 81 
chasteli, 82, 291 
errazurizi , 84 
glabra, 260 
greppini, 81 
magnifica, 81 
mayeri, 81 
mixta, 81 
nucleus, 81 
ornata , 85, 260 
oxyrhyncha, 83 
parisiensis, 81 
patagonica, 80, 257, 261, 266, 279, 282, 
283, 291, 295, 298, 301 
peregrina, 81, 291 
pueyrrydonensis, 5, 17 
reticularis, 82, 257, 266, 273, 291, 295 
tenuis, 82 
tricesima, 80, 81, 263 
tumida, 82, 301 
volckmanni, 86 
Nuculidse, 80 
^~^AMARU beds, 299 
Odontostomia, 173 
conoidea, 174, 293 
euryope, 263, 264 
suturalis, 17J, 258, 262, 267, 293, 295 
synarthrota , 173, 263 
Odostomia, 1 74 
suturalis , 173, 262 
Ohlin, 319 
Oligocene, 286, 288, 295, 296, 299, 305, 306, 
307 
of West Indies, 320 
Oliva, 322 
Oolite, Lower, 8 
Opossums, 333, 335, 342, 394, 396, 408,412, 
419, 444 
