Index. 



139 



Nuphar, 88 Panax, 86 Phytolacca, 99 



Nymphaea, 88 Pandora, 20,25 Phytalacceae, « 99 



Nymphaeacese, a 88 Panicum, 115 Pims, 9 



Nyssa, 91 Panorpa, 61 Pilumnus, 29 



Nysson. 68 Panorpiadae, a 61 Pimpla, 64 



O. Papaveraceae, 87 Pinnotheres, 29 



Ocypode, 29 Papilio, 70 Pinus, 110 



Ocyptera, 79 Papilioniadae, 70 Piptatherum, 115 



Odontaeus, 44 Parandra, 51 Pistiacese, a 113 



(Edemera, 47 Parietaria, 93 Pisum, 93 



(Edemeriadae, a 47 Parmelia, 125 Planaria, 82 



OEnothera, 90 Parnassia, 89 Planorbis, 23, 27 



(Estriadae, a 78 Pamiadae, a 43 Plantagineae, a 101 



CEstrus, 78 P^rws, 11 Plantago, 101 



Olfersia, 80 Paspalum, 115 Platanese, a 95 



Oleacese, a 106 Passalus, 4q Platanthera, 111 



Oletera, 30 Passeres, a 8 Plalanus, 95 



Omalium, 37 Passerini, a 11 Plalessa, 17 



Omalisus, 40 Pastinaca, 87 Platycerus } 46 



Omoptera, a 59 Patella, 21, 26 Platynns, 34 



Omophron, 34 Patrobus, 34 Platypeza, 77 



Onagrarise, 90 Pecten, 21, 25 Platypteryx, 74 



Oniscus, 29, 30 Pectinarid, 18, 24 Plectognathi, a 15 



Onitis, 44 Pedlcia, ' 75 PUsia, 67 



Onoclea, 119 Pedicularis, 108 Pleuronectes, a 17 



Onopordon, 104 Pedunculata, a 19, 24 Plochionus, 33 



Onosmodium, 109 Peleclnus, 64 Plumbaginese, a 103 



OnXhophagus, 44 Peltidea, 125 p oa , 115, 116 



Odes, 34 PeZ^s, 72 Podiceps, 13, 14 



Opegrapha, 124 Pentatomadc^e, a 57 Podostemum, 99- 



Ophldia, a 14 Pentatoma, 57 Podostomeae, a 99 



Ophioglossum, 119 Penstemon, 107 Podophyllese, a 88 



Ophion, 64, 65 Penthorum, 98 Podophyllum, 88 



Oporina, 101 Penlhetna, 76 Paeciliopoda, a 30 



Orchesia, 47 Perca, 17 Pogonia, 111 



Orchis, 111 Percoides, a 17 Polygala, 96 



Orgyia, 73 Per^z, 11 Polygonatum, 112 



Orobanche, 107 PerZa, 61 PolygaleEe, « 96 



Orobancheae, a 107 Penlampus, 66 Polygoneee, a 99 



Orontium, 113 Perliadae, a 61 Polygonum, 99 



Orsodachne, 53 Petaloideae, a 110 Polyommatus, 71 



Orthoptera, 56 Petricola, 20, 25 Polypi, a 83 



Ortalis, 80 Petromyzon, 15 Polypodium, 120 



Orthotrichum, 122 Peziza, 127, 128 Polypogon, 116 



Oyss^s, 64Phalaris, 115 Polyporus, 128 



Oryzopsis, 115 Phalacrocorax, 14 Polytrichum, 122 



Osmerus, 16 Phalaropus, 13 Pomaceae, a 92 



Osrata, 70 Phaleria, 46 Pompiliadae, a 67 



Osmorhiza, 86 Phallus, 128 Pompilus, 67 



Osmunda, 119, 120 Phanaeus, 44 Pontederia, 12 



Ostracion, 15 Phaseolus, 93 Pontederiae, « 12 



OsSra*, 21, 26 Phengodes, 40 Pontia, 70 



Ostrya, 94 PhiUnthus, 69 Populus, ' 94, 95 



Ohocerus, 59 Phleum, 115 Porina, 125 



O^rc,, 24 PkloLotrlbus, 50 Porp/iyrops, 77 



Oxahdeae, , 96 p^c«, 7 Portuiacca, 98 



Oxahs, 96 PAoZ&s, 19, 24 Portulaceae, 98 



Oxybelus, 68 Pholcus, 31 Portunus, 28 



Oxycoccus, 100 P/ior^, 80 Potamogeton, 113 



Oxyporus, 37 Phragmites, ll6Pothos, 113 



p - Phrygaena, 62 Potentilla, 91 



Paederus, 37 phryganeadae, 62 Prenanthes, 104 



Pagurns, 29 Phryma, 108 Pressirostres, a 12 



Palaemon, 29 P%sa, 27 Primulaceae^ 106 



Paludina, 23, 27 Pyhsalis, 108 Prinos, 99 



Panageus, 34 physarum, 128 PHonus, 5J 



Physodadylus, 40 



