124 



BIOLOGICAL SOCIETY OF WASHINGTON. 



Page 



Oculina Ivii 



Officer?, classification of xxvii 



Officers, election of. xxviii 



Officers for 1883 xxxvi 



Officers for 1884 xlviii 



Officers, list of. vii 



Officers, term of office xxviii 



Oidiiim Tuckeri xlv 



Oncorhynchus chonioha Ixi, Ixiii 



Oncorhynchus gnrbuscha Ixi, Ixiii 



Oncorhynelius keta Ixi, Ixiii 



Oncorliynelius kisutch Ixi, ixiii 



Oncorhynchus nerlva Ixi, Ixiii 



Ophichthys gnttifer, n. s 100 



Opistharthri Ixiv 



Orbitolites Ivii 



Orcynus thynnus Ixv 



Order of business xxix 



Ornithology, North American li 



Osmerus dentex Ixi 



Osmerus eperlanus Ixi 



Osmerus mordax l-xi 



Osmerus spirinchus l.xi 



Ourt, Dr. A. J xx 



Oysters, hermaphroditic -xl 



P. 



Paehypsylla, new genus of Psyllida^ 71 



Pachypsylla (Blastophy.sa) (!.-gemma, n. s...7-l,T.') 



Paehypsylla celtidis-mamma 7:i, 75 



Pachyp.sylla venuwta 72, 75 



Packard, Prof. A. S xi 



Paleontology, the teachings of xxxvii 



Palmer, Dr. W.G xx 



Paraliclithys den tat us xliv 



Parasitic mites in domestic fowls xli 



Parasitic worm in the egg of common hen... .xli 



Parker, Mr. P., .Jr xx 



Parson. Rev. W. E xx 



Parus atricapillu? turneri, n. s 8i) 



Patella, remarks on the Ivii 



Patton, Mr. H. B xx 



Patton, Mr. W. H xx 



Pearls and pearl fisheries x.xxvii 



Pear tree blight xxxiv 



Pedicecetes phasianellus campestris, n. s 93 



Pergande, Mr. T xx 



Persons, Dr. R. (! ::x 



Phalacrocorax dilopluis albociliiitns, u. s 94 



Phillips, Mr. L. E xx 



Philosophical Society xlv, xlviii 



Photography, a new method of figuring fos- 

 sil leaves by Ixvii 



Phrenology, the new xlvi 



Phycis floridanus, n. s lOo 



Phytopus olcivorus Ix 



Pica camtschatica, n. s !i7 



Pine trees of North America xxxiii 



Page. 



Pipe-fish ' 1 



Pityophis xliii 



Plant life of the globe xx.xvii 



Plants and insects, adaptation and interde- 

 pendence between xxxvii 



Porter, Dr. J. H xx 



Potter, Dr. Z. H xx 



Powell, I\Iaj. J. \V x.x, xxxvii, xlvi, xlviii 



Powell on canons of the Colorado ..xlvi 



Powell on Indian mythology xxxvii 



Powell on AVin-tun mythology .xlvi 



Prentiss, Dr. D. W..xx, xx.xiv, xxxv, xxxvii, xlviii 

 Prentiss on changes in the bird fauna of the 



District of Columbia xx.xv 



Prentiss on mesmerism in animals xxxvii 



President, duties of xxviii 



President, retiring xxviii 



Presidential address xxviii 



Presidential address for 1882 x.x.xviii, 1 



Presidential address for 1883 xlviii, 41 



Proarthri Ixiv 



Proceedings xx.xi 



Proceedings, second edition of vol. I xxxv 



Protoplasm and karyokynesis, structures 



of xxxi.x 



Protoplasm in the light of recent investiga- 

 tions xlvi 



Psaltriparus grinda^, notes on liii, 90 



Psaltriparus minimus ealifornicus, n. s 89 



Pseudo bacteria Ixvi 



Psychic force xlvi 



Psyllidte, notes on North American 07 



Psyllidce, described species of North Ameri- 

 can 08 



Ptarmigan, shedding of claws in the Iviii 



Plernodonta Ixiii 



Quadrupeds, swimming.. 



.xxxv 



R. 



Races of men xx 



Rathbun, Mr. R xx, xxxvii, xlviii, 



Rathbun on Oculina 



Ran, Dr. Chas 



Realm, Afrogiean 



Realm, Amphigwan 



Realm, Anglogtean or Arctamerican 



Realm, Antarctalian 



Realm, Antarctic or South Circumpolar 



Realm, Arctalian 



Realm, Arctic 



Realm,'Austrog;ean 



Realm, Basjalian 



Realm, Dendrogwan 



Realm, Europseo-Asiatic or Palsearctic 



Realm, Eiirygasan or Eurasiatio 



xvii 

 Ivii 

 bii 



XX 



20 

 22 

 17 

 30 

 10 

 33 

 10 

 22 

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 21 

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