XXIV 
Persica vulgaris, Ca 
Persistence of Plant and Animal Life 
te we e Changing LETTEN of 
ment, Frazer, 517. 
Petlescptininn, 482, 483 
Petrie, Excavations in the Fayoum, 840. 
Petrographical New sier, 170, 860, 668, 
772, 850, 1070, i 
Phalangium nigrum 
Laas aay miey 783. 
opilio, 783. 
Ph — vulgaris, 475. 
Phenacite, 1194. 
Phengo sis pimes, 692, 694. 
Phoca barbata, 170. 
Pho holidophorus nitidus, Egerton, 956. 
Phonolite from Brazil, 774. 
France 
Phos neea —_ in tae 1185. 
s, 684. 
poe she 692. 
Photographs of Dr. Parry, Notice of, 
Bessey, 372. 
Photurus SINKE. 694. 
~ Phragmites s, 182. 
Pia. prao 478. 
menkeanus, 477. 
“aa sg californica, 685. 
Physiology, 92, 193, 379, 648, 1086, 
os Hypothesis of Heredity 
Variation J. A. Ryder, 85. 
Prize ati 
aph from Nova Scotia, J. W. 
995. 
Pittsbu nh Coa 1 Bed, 956. 
Maneti « of the Hedge-Hog, 288. 
Plane-Trees, ae of, Ward, 797. 
Plant Mo rphology, Pax, 1082. 
The American Naturalist. 
Th. | 

(January, 
Plants of the Bahamas, 781. 
Platanus, 565. 
Platanisti dæ 603. 
Platanista gangetica, 604. 
Platner, Direct Division of the Muscles, 
985. 
Spermatogenesis in the Hermaphro- 
aay Gland of Limaz agrestis, 985. 
s, 485. 
Swee dr ia 354. 
Platyceras equilaterum, 955. 
Placentation of the Hedge-Hog and the 
Placenta, Ai A Ryder, 376. 
Plesiocetus affine, 6 6 
brevifrons hag 
brialmonti, "612. 
Pleonekt e, 78. 
Biaise valdensis, 956. 
Pressure Twinning in Plane, 175. 
=e Inoculations rpk Tuber- 
osis, 1225. 
Priscodel elphin 
grandævus , 604. 
Prizes to Biological Students, 112. 
Probable hy of Polygamy among 
` Birds, S. N. Rhoads, 1024. 
Prosiek of Biological Society, of 
Bos ashington, 296, 385, 691, 11038, 
Pes Society of Natural History, 
205, 294, 1220. 
Natural aa of 
Staten Island, | marps re "691, 
1105. 
Scientific Societies, 102, 205. 
385, 497, 691, 869, '987, o 
0. 
Production of Ang in the United States, 
Newber 
Proposed National University at Wash- 
orosaurus spenerii, 271. 
Pees 530. 
Protostega, 530. 
_ Protozoa, 357. 
