DE HISTOR1A NATURAL. 



437 



Orbitoides, 117. 



- Fortisi, 233. 



Orbitolina, 231, 230, 237, 272, 277, 

 278. 



- conoidea, 278. 

 Orendita, 189. 

 Oro, 374. 



Orobanche minor, var. concolor, 

 126. 



- crenata, 412. 

 Ortoclasa, 256, 257. 

 Ortosa, 153. 

 Ostra, 272. 



Oetrea, 231, 277, 280. 



- aquila, 231. 



- crassissima, 82, 120, 280. 

 Otodus, 280. 



Ottrelita, 165. 



Oxyrhina, 120. 



Pachy tycbius (S ty p h 1 o ty ch.iu s ) 



** maculosus, 319. 

 Palmatella, 341, 

 Palmera, 367. 

 Paludestrina Hildaya, 358. 

 Pamphagus, 219, 324, 330. 



- algericnp, 327, 329. 



- ** crassicoruis, 325. 



- cncullatus, 324, 333. 



- ** dolichocerus, 325, 327. 



- * expansile, 325, 328, 329. 



- Hespericus, 325. 



- Mabillei, 326, 327. 



- * Mauritanicus, 325. 



- monticola, 324, 333. 



- simillimus, 325, 329. 

 Panicum Crus-Galli, 127. 



- eruciforrue, 127. 



- repeus, 127. 



- vaginatum, 127. 

 1'araliris, 295. 

 Paramecium aurelia, 396. 



- caudatum, 396. 

 Parasmilia aptiensis, 193. 

 Pnrdela, 344, 345. 

 Patella, 220. 

 Pechstein, 188. 



P.cten, 174, 235. 



- sequivalvis, 408. 



- cristatus, 121, 235. 



- maximus, 280. 



Pecten praescabriusculus, 81. 

 Pedernal, 77, 174, 231, 305. 

 Peltoceras Athleta, 120, 410. 

 Peniurn digitns, 66. 



- margarilaceum, 66. 



- Nregelii, 66. 



- navicula, 66. 

 Pereirea Gevaisi, 81 . 

 Pertdoto, 374. 



Perisphinctes, 118, 119, 121, 401, 



406, 410. 

 Perro, 102. 



Phalaris pubescens, 127. 

 Phoniorayia, 192. 



Phylloceras mediterranean], 122, 

 401. 



- ptichoicum, 123, 410. 



- Piouyanus, 120. 



- subnilssoni, 403. 



- Tethys, 120, 402, 407. 

 Phyteuma Charmelii, 412. 

 Picotita, 188. 



Pino, 228. 



Pino -tea, 367. 



Piftonero, 368. 



Pirita, 151, 152, 165, 245, 270, 271, 



275, 281. 

 Piroxeno, 188, 189, 241, 248, 374. 



- roinbico, 244. 

 Pisolita, 164. 



Pizarra, 161, 152, 163, 269,271,230. 



- anfibolica, 271. 



- arcillosa, 247. 



- cristalins, 270. 

 Pizarras cristalinas, 89. 

 Placenticeras, 212. 

 Plagioclasa, 374. 

 Planasida, 337, 338. 



- ** Bereai, 337, 339. 



- inquinata, 338. 



- Panlinoi, 339. 



- ** Vaucheri, 338, 339. 

 Plantago albicans, 126. 



- lagopus, [i. Insitanica, 126. 



- Insitanica, 126. 

 Poa annua, 128. 



- minor, 128. 

 Potamides policatutn, 358. 



- rhodauicus, 358. 

 i'otentilla hirta, 411. 



