Index to 
Origin of the Fittest, 465. 
of the North American flora, 1009. 
_ of tomato 
vot 
cephalic vicies, 40. 
Osborn, H L., 0 
Crustacea, 673 
Sosa of opa. 486. 
Osteolepididæ, 1 
n the, 10 
Oudemans, a. C., 106. 
Oviposition in Dendrobates, 307. 
25. 
ists, 
P oF 
. 
SHER 19, 135. 
ve gi pus, 106r, 
Pac pe eoat glaciation, 250, 
S., abstract of Hauser on organs of 
sapa in insects, 279. 
cave fauna, 82. 
on Kraepelin’ s organs of smell in arthropods, 
2. 
Packard’s fossil arthropods, 1100. 
Paleoniscidse, 1018, 
Palzontology in America in 1886, 532. 
Palsotheriiti, os 1066. 
Palzotherium, 23, 
cr; mC ., 1067. 
_ Palestine, rocks of, see : 
omni į C birds ro pottery, 97- 
mer irds roosting in town, i 
Paloplotherium, 1067. z pe 
oplot 
Palpi of spiders and myriapods, function of, 384. 
ra udina, spermatozoa, 22, 23. 
» 458. 
ioe i r 
fungi, opa their host-plants, injuries pro- 
> ie 
ifer, rose 
h es, 
Parenchymelia theory, 421. 
Parnassia 
Pe a 
S 
renesis, artificial, 484. 
illiam, eyes of mollusks and arthro- 
n'on EE A oligoclase, and titanite, 
Son and E. G., duration of memory 
in wasps, 1038. 
moths, 
fauna 
i of, 
S 400. 
news, es ai. 568, 660, 761, 848, 
Vol, XX. 1147 
Petrosani of Pipi Islands, 273. 
of S 
Phagocyte sella fe tang 427. 
ape degen 426. 
Phaseol 
Phenac ins 
nengeting po 
Philadelphia Academy of Sciences, 687. 
Philo 
Philonth ag ee 
ere EA 585. 
Phoma, 27 
Pucsphaleosiansd in an earth-worm, 773- 
Physa, 85. 
piyas 53- 
Physianthus. 
Physiology ‘of “planes, vines, 266. 
Pig “fe edin oa experiments in, 396. 
Piret, sperm 
Pike, Nicolas, marine alge, 
Pilsb: n Floridan PE 287. 
Pimpine Fog 
— hitek of Chetonians the rudimentary, 1126. 
oo of, 178. 
ro 
Pieauingheraice, 1018. 
Planorbes of da, 286. 
Planorbis, 286. 
mel asats; 276. 
Planit buckthorn, 442. 
Planula theo: "Y, 34 46. 
Plasmodia 
> 
Pocket-ra' 
Po oan S., St. Sy es died, 684. 
en, François G. L. 
Pollen-tubes p lobelia area 
cotylus 
Polytoma, 139: R tees 
Pomatomus, parasite 
— a, petrography of, 273. 
Porphyrie ‘Cutting Eocene, 471. 
Portchi 
nski on flies bie in a phy z stage 
