xxii 
Ohio kon = emy of Science....... 
Ophi bolus getulus 
Ophid ia 
Optical Anomaliet, Study of.... 
: Indicatrix 
Properties of Crystals ....... 
Optimum Fomiperaiee © for In- 
Suena Hesi EATER aie 
Orbul 
Ord’s Zoology: ; Review of........ 
Ore Deposits: covets eves r sissi 
reodon 
Organic Variation, C. 
nen of Reproductive ( Cells | in 
Insects 
Oriolus striatu 
Oisithcvhomehus PArAdOKUS, sures 
Ortheria anne 
nigrocincta 
sonorensis 
Orthoptera, oviposition of........ 
reparation of 
Osborn 
5 i . . Hereditary 
Mechanism, and the Search 
for the Unknown Factors 0 
Greeks to Darwin, Review 
of 
Osteology of the North Ameri- 
can Crotalide, W. E. Tay- 
lor 
Getraccrin Teavesee 
Otiorhyncus ovatus. eari V rity 
Ot ia insign 
ae cae nobilis 
Ofthotheca caor ba arira 
Ovi becaition re Arna IOE aroye 
Owen’s Life of Richard Owen, 
ACH 7 C. E PHALOPSIS Rat- 
S. On a New 
Tassifioation of the Lepi- 
TE E AE se 636, 
Packie. Tanara of Ac- 
an red characters, Review 
Paleolepidoptera s se sssesos: ssy. 
ee eee of nape a Vol. 
ae Review of...:....... 
Paleos 
Palladino, anwar deesdabs riir 
Paludico 
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Paradisea apoda 
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Tairi asa in the Genus Palæ- 
syops, C. Earle 
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The American Naturalist. 
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Parrot, ‘Change of Habit in 
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Patella a org tes of 
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W. H. rtili 
the Y ellow Adder s Tongue 
Farior $ Mastodons of oad 
Peary Expediti 
Pec pene On yi s ‘Sighi 
Salas Abstrac 
Peckham’ s Origin n of bitumens, 
EETETTETETTT] 
Abstra 
Penrose’s Changes in Ore De 
posits, Abstract of 
PORTER OU Os re na a aa 
ae oN News 95, 210, 407, 514, 
, 698, 960, 1139, I141, 
Tee ewe erewees 
1143 
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Pes ( iih of mee Livia 
Petrified Man, a ions on 
Petrography a I a 262, 470, 
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o Pert eee ssssesesosssossses 
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Phaseolus lunatus, Dwarf Variety 
ACAN Tiape es sabes ate pale » 
Phen Ss oramontis 
Philos phy of Flower Seasons 
SOTI. ssssesserse 
sr.se soss, 
Photomicrographic Work, Illu- 
Photosy ntax demonstrated bid 
Phylophiophi. aestivus wás itsa ninia 
Physal 
eee eee ee eee ee eee 
versie 
srsssoosesosess Bee ewe eee 
Physa ; 
Giona aie EAA 382, 384, 682, 
eris a Pb TE EAE ER tonne 
lumnus hirtellus 
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ran, i a ludoviciana. ETE 
Piroplasma b 
[Vol. XXIX, 
