OXYPHENIC ACID 



251 



PALJEOPHYTOLOGY 



'name used for Chlorine, on the assumption 

 of its being a compound of oxygen and 

 muriatic acid. 



Oxyphenic acid, (oks-i-fe'nik)=C 6 H 6 2 = 

 Pyrocatechin : a substance derived from 

 benzol by replacing two atoms of hydrogen 

 by two atoms of hydroxyl. 



Oxypicric acid, ( oks - i - pik'rik ) = Styphnic 

 acid=^Trinitroresorcin : obtained from sapan 

 wood, &c.=C 6 H 3 N 3 O 8 . 



Oxyria, (oks-1'ri-a). [Gk. oxys, sharp.] Moun- 

 tain-sorrel: a plant belonging to Polygou- 

 aceaa. 



Oxysalts, Salts in which oxygen is an im- 

 portant constituent. 



Oxysulphion, (oks-i-sulf i-on). [Oxygen, 

 sulphur, and ion, q.v.]=&O^: one of the 

 constituents of sulphate of potassium, which 



goes to the positive pole in galvanic decom- 

 position of the salt: not known separately. 



Oxytropis, (oks-it'ro-pis). [Gk. oxys, sharp; 

 tropis, keel.] An herb belonging to Fabacese. 



Oxyuris, (oks-i-u'ris). [Gk. oxys, sharp; oura, 

 tail. ]=: Thread-worm: a small worm-like ani- 

 mal belonging to Nematoidea. 



Oyster, (oys'ter). [Ostrea, the Latin name.] 

 Ostrea: a bivalve molluscous animal, the 

 ty pe of Pectin idae. 0. ca<cAe'=.Hsematopus; 

 a wading bird. 



Ozarkite, (5-zar'kIt)=Thomsonite. 



Ozocerite, (o-zo-se'rit). [Gk. ozeo, I smell; 

 keros, wax.] Fossil wax: an inflammable 

 mineral substance. 



Ozone, (6-z5n'). [Gk. ozeo, to be odorous.]= 

 Electrified oxygen: oxygen in a modified and 

 condensed form. 



P. 



Paca, (pa'ka). [ The Portuguese name. ]= 



Cavia paca = 



Coelogenys : an 



animal belonging 



to Dasyprocta. 

 Pachy-, (pak'i). 



[G k . pachys, 



thick.] A prefix 



implying thick- 

 ness. 

 Pachybatrachus, 



pak-i-ba-tra'kus). Paca. 



[Gk. pachys, thick; Batrachian, q.v.} A 



South American toad = Brachycephalus, 



0.9. 



Pachydactylous, (pak-i-dak'ti-lus). [Gk. 

 pachys, thick; daktylos, finger.] P. Lithi- 

 chnozoa: thick-toed birds, known only by 

 their footmarks, v. Lithichnozoa. 



Pachydennata, ( pak - i - der'ma - ta ). [Gk. 

 pachys, thick; derma, skin.] Pachyderms: 

 elephant, rhinoceros, horse, pig, &c. , a prim- 

 ary division of Mammalia; also regarded 

 as a sub-division of Ungulata. 



Packfong, (pak'fong). An alloy of copper, 

 nickel, and zinc, resembling German silver. 



Paddle-nsh=Spatularia: a sturgeon-like fish. 



Paddy. Rough rice in the husk. 



Paddy-bird^=Loxia oryzivora ; named from 

 eating rice. 



Paeonia, (pe-6'ni-a). [Gk. pceon, song of 

 triumph.] Pseony: an herb, with large showy 

 flowers, belonging to Ran-mculacese. 



Pagellus, (pa-jel'lus). [The Latin name.] Sea- 

 bream; a fish belonging to Acanthopteri. 



Pagoda, (pa-go'da). [Hind, boot-kuda, idol- 

 house.] A temple, built in stages of gradu- 

 ally diminished size, common in the East 

 Indies and China. 



Pagrus, (pag'rus). [The Latin name.]= 

 Braize: a fish belonging to Acanthopteri. 



Paguridae, (pa-gu'ri-de). [ Pagurus, q.v.] 

 Hermit-crabs = Robber-crabs : animals, be- 

 longing to Anomura, living in whelk shells. 



Pagurus, (pa-gu'rus). [Pagouras, the Greek 

 name.] Hermit-crab; the type of Paguridse. 



Paigle, (pa'gl). [F. epingle, pin.]=Primula 

 veris: cowslip. 



Painted, P. lady= Vanessa cardui. P. snipes 

 =Rhynchsea: of which the males are more 

 showy than females. P. p7ieasant=PhK,sinnns 

 pictus. P. sjnir/owi=Galloperdix lunulosa. 



Painting, (pant'ing). Fresco P.: on wet 



Elaster, with colours mixed with water and 

 .me. Half-fresco: on dry piaster. OU P ' 

 in which the pigments, transparent or 

 opaque, are mixed with oil. Distemper P, 

 =Tempera: painting with opaque colours 

 mixed with size. Water colour P.: in which 

 the colours are transparent and mixed with 

 water. 



Palaeichthyes, (pa-le-ik'thi-es). [Gk. palaios, 

 ancient; ichthys, fish.] Name suggested for 

 Ganoidei and Elasmobranchii: fishes having 

 a contractile heart, and a spiral valve in 

 intestines. 



Palseocyclus, (pa-le-5-si'klus). [Gk. palaios, 

 ancient; kyklos, circle.] The only represen- 

 tatives of Aporosa corals in Silurian rocks. 



Palseocyon, (pal -e-os' i-on). [Gk. palaios, 

 ancient; kyon, dog.]=Arctocyon, q.v. 



Palaeography, (pa-le-og'ra-fi). [Gk. palaios, 

 ancient; grapho, I write.] The art of de- 

 ciphering ancient inscriptions. 



Palseolithik, (pa-le-6-lith'ik). [Gk. palaios, 

 ancient; lithos, stone.] P. age Drift period: 

 the oldest in which traces of man have been 

 found; in which the rivers and valleys were 

 somewhat different from now; and in which 

 man was contemporary with the elephant, 

 rhinoceros, and cave-bear, &c. 



Palseoniscus, (pa-le-o-nis'kus). An hetero- 

 cercal fish, fossil remains of which are found 

 in Permian strata. 



Palaeontology, (pa-le-on-tol'6-ji). [Gk. palaios, 

 ancient; onta, beings; logos, discourse.]= 

 Palaeophytology+Palseozoology: the science 

 of fossil remains. 



Palseophis, (pa-le'of-is). [Gk. palaios, ancient; 

 ophis, snake.] A snake, known only by 

 fossil remains, found in Tertiary rocks. 



Palseophytology, (pii-le-6-fi-tor6-ji). [Gk. 



