550 
———— nia) 1 ada, 191. 
Mexican shells, 
icrommata ar hint aes. 287. 
—— —— —— subinflat 288. 
ES € gen. Hentz, 31. 
— — —— interfector, 32. 
syllepcicu BY 84. 
deus, is Bd, 
Mimosa fragrans, Gray, 182. 
heimeri, diay; oe 
ophylla, * 
Morrhu rial 
Muscicapa cariboea 
—————— Lem ine ig Gundy, Ag 
Mygale fluviatilis. He entz, 2 
Myriophyllum hetero aiee 191. 
Mytilus Em . Gould. 402. 
‘Index. 
Oligocottus maculosus, G., 533. 
Oophora, Hentz, subgenus, 285. 
erid rcge z, 286 
Opuntia arborescens 
— ——— Engelmanni (Saim. Mss.), 207. 
fru tescens 
interm 
—— € aime, pi 207. 
iza, * — 200. 
Orchesdin € Californiensis, 516. 
————— Pickeringii, 
———— Rer nemi 516. 
raskiana, 517. 
Oregonia gracilis 456. 
reer falas of some of the Infuso- 
Ornithological oe in 
runswick, r. T. M. Brewer, pore 
ment of € sh 186. 
Gould, 3 
Ozius fee, 464. 
mii as oides, 166. chygrapsus crassipes, 467, 
Nemalite, Pucks soem -— gen. Lesq' x, 421. 
Neme ryology of, 1. pint de KDE ew 421. 
Nephrops occidentalis, 495. fimbriatum, “ 431. 
. Neuropteris adiantites, Lesq’ x, 419. 4 Pos 
—  — — — Clarkso 417. iio ie . 
delicatala, [1] Hm lactuca, « 422. 
entata, QUE YU ‘Palzemon brachydactylus, « . 8602. 
Desorei, © reno AB. —— —— heterochirus, 508. 
sa, "t 417. Pandalus borealis, 50 
bbosa, * — e pomum s, Stimpson, 502. 
irsuta, et la imer s, 502. 
—— — minor, we ES platy: ae 
——— Moorii, : 419. ubescentulus, 50 
— — — speciosa, z 417. Panulirus eS Stimpson, 491. 
andans, > x 418. Paracran paa e oe 
Tus 418. hia dichotom 
Noctua Siju od indh € Engelm., 152. 
Noeggerathia Bockschiane, Lesq' = $i , Parthenium ophorus, 226. 
——— Parthenope punctatissima, 458. 
dira. a asserina collaris, Vigors, 317 
Notes and Observa tions on t wem Passiflora affin on 233. 192. 
cs — of the Soils a Tae Scioto . ————— tenuiloba mati Me) 
ey, neral soul die Pavonia Wri hii, 16 
tions nd Mercier Pope Sein, Lesq' x, eri 
——— —— ——- decurrens 
Odostomia pons Gould, 885. — ————— distans, a ie 
vida, 384. distans, y, pre 
Odohtopteris dubia, Les x, 419. pusilla, : e 
VN Oi SN a TENTI 419. ,——— illa x 
Œnothera (Mega wenige Missouriensis, ————— 
; : E ' Pectolite oe "Stellite, de as a cl and 
pethen (Meriolix) serrulata 6. spinu- ^ proposed — n of, 40. 
Pentacta la, 
Enothera serrulata £ „pinifolia, 189. pu frond 
: piconet miniata, 525. 
pfe o eso fro, 189. — — — nigricans, 525. 
