1308 | 
Podura suai, 300 
Pogonom rnc o cela, 334. 
Pollen, develop of, 2 
Polyithionite, ag 
Polymastodon fissidens, 688. 
— 
, 687 
in Rana halecina, cns 
nidæ, 728. 
7 
ae ulztormis, 721 
hydnvides, 721. 
lucidus, 721. 
oe J21. 
Polyzoans 
Pom pholyx ee 851. 
Pooley. 
Porcupine grass, 929, 933» 
207. 
Porpita linnæana, go, 850. 
Š maa of, i 8 f 
orpoise, embryo logy o 40. 
Porto Alegre, 7 
Potomogalid, 2 
ttery, ancient Malad: 498. 
rd 
» 7945 7 
Prosop ra ssn 451. 
Proteida, 26. 
Protogonia plicifera, 893. 
age ete 893. 
Protoplasm, , 422 
Protopsalis S. Sta: 
Protozoans, 548, 642. 
Proverbs, pons, 319. 
Pseudohazis he 2 
ra, 63 
Peen donea tOn oiea 546. 
Pseudoscorpion, 
Pseudosymmetry, 1 ‘ihe 
Pseudotri a s microdon, 207. 
renton 
socus €x EE 
Psychid pun 828, = 
Prar er one shedding of claws of, 774. 
Pterodon 
rs aleine, 430. 
Pterostichus, 93 
Prilodus medizevus, 692, 694. 
Puciiia aurora, 658 
ball, 5 
Pyre nom: ycetes, 187. 
Pere i, nevadensis, 851. 
k , European, 775- 
formation, 288. 
odor epee: go. 
Badia © 
Radish, 5 
peel i andromedæ, 189. 
goa ntii, 189 
cae patos me 
rigin c 
sat 740, 1058, 
Rhachitomi, 26, 2 : 
Rhiscceph alus, 5 
Rhizostoma cuvieri, 199. 
Rhode Island, Carboniferous flora of, 921. 
Rhynchonella psi ttacea, 778. 
badger in Ohio, 1276. 
Index to Vol. XVIII, 
h, C. aS L., large fungi, 68. 
Rich, Mrs. 7 B. dreaming in ve 
Riley, C. V., bacterial epatvat of: pe yee 
Ringueberg, E N. | Atavism considered as a 
aan agent in a state of nature, 542. 
Rink 
Eaka. a DNAET 605, 
Romanche expedition to e Horn 
Rothrock, J. T., notice of Bay s mort, 1248, 
Rotifers, new classification of, 115 
Rubellan, 185. 
Rumination, physiology of, 1164, 
Ryder , embryonic materials, 1294. 
Sacculina panopæi, 225. 
paadis poy ol ygonati, Ac 
ahari 
Y, 924. 
ana i 
Salmite, 9 
Salmicitdes, be tote in, Fegi 
115 
Salpa, 
Salsif Ji 95: 
Salt-water ere A 826 
Samia, hybrid, 
Sam sity F.A Tam pest 3 p Mewes 309. 
pao Pde ae 
Sa daoa: exible, ots ae bo 
Sanger, | ‘dward malian fauna of the 
Australian Jat i 
Sap, flow of, A 
Sapphire, 64, 
Sarcosporidia 5 $I 16. 
Sarcothraustes antiquus, 2 267. 
Saurocetes 
Scales, 640. 
Scaphiopus PiE ag! 
of, 94- 
282 
um commune 
argentinensis, a 
Sceleporus garmani, A 
seh sophyiia x Fa 1265. s 
lege obituary of, 450 
Schwarz, E.A. habits of Blaps and Embaphion, 176. 
ss 
Seal, har 
Section-flaitener, 557 1178. 
rm, 78. 
Si ilphium, ’white-rayed, 70. 
Siluria: poco ormation, 286. 
fos sils, 529, 616, 719- 
Silver, horn, 185. 
Si mulium, 729. 
S iredon o 152. 
£ isyrinch ium bermudiana, 623. 
itaris, 
f “hes auricapillus i, oe 
un n,5 : 
lack, Franc is M., cats’ food, 1284 
Sleep, depth 
Sm elt oviduct f, 209; 93+ 
Sm us imperator, 632- 
