1148 
Potts, Edw., fresh-water i sponges, 111 
Practical Botany, Strasburger and 
Parihi s explorations, 652. 
Preparation of mollusc eyes, 401. 
Pria ope 793: 
Prick! 
an Society rm > fa 
45. 
Prochromatin, 1 ee 
Progress nology in America, 963. 
Prophas eget 
Pro placula, 347. 
Protapirinæ, 994. 
corpions, anatomy of, 583. 
Puieescoshertiisn megalodus. , 469- 
multifragum, 469. 
5 
Tæniodonta, 469. 
Pug-dog and Chihuahua dog, the, 1125. 
Pyroxene, 1025. 
Pyrrhotite, 1026, 
Rabbit, spermatozoa 
Rabbits, Australian, i in i Adelie: 265. 
» 204. 
ting N. Archer, death, 869. 
Range of variation of the human shoulder-blade, 
Ranvier, L. L., 303. 
Rare Indiana birds, 291. 
intelligence of, 295. 
0zoa. 
S 52i. 
un, Richard, Ceelenterates, 1033. 
rie, 211. 
Raymond, Tei fish-hawk, 1138. 
Recent investigations of American minerals, 1021. 
~- publicatio 
’ To 
tion of chromic solutions in animal tissues, 
Repi me aara Stenders Sp of Ancon, Peru, 
completed, 9 
Rejavenece ng S 
of the dorsal commissures of the brain 
to the sear yen of the encephalic eae 
R v. S Fish 
eport U. 
Reptiles of Brazil, 388. 
Reptilia, 861 
of mind to matter, fies the, too 
Commission, 
Index to 
illhouse’s, 
n Creodonta 
| Scurvy-grass, a 
Scymnus, 54 
| Sea-cow (Rytina) exterminated, 1047- 
-horse, I 
Vol. XXT. 
Rice, William North, Stizostedium vitreum in 
the basin of the Connecticut, 938. 
ieks son, E. L wk a 
idgway’s Manu oh 
Nomenclature of Couns 
Rink’s paper on th . begat Gevehlontiang 749. 
Rinne, faujasite, 1 
ivers, , Phengodini, 1118, 
Rivers, length of, S58, 
Rock te s in Swe n, 69. 
Eia 77: 
pcos fennel » 59. 
Rom , Prof., and the Michigan Geological 
sie, 
RSE SSE Massige orm 172. 
Ru lótonite, analysis, 72. 
Rutile, 1025 Aaa i 
Rutley, on RAN ills, rrrr. 
Rra J: A., development wa an eight-limbed 
verte brate, 862. 
inversion of the germinal layers in Hespero- 
mys, 863. 
new im dding apparatus, 597- 
origin of placental types and on Certain vesti- 
ek iy structures in the reo centz of = 
in the 
a8 
Kydes pary eLA 298. 
Saber-tooth = from Loup Fork beds, t019. 
Saccha nomre 
Saccobranch: 
— of Crino » 289. 
Safranophil, 
Fodor, ereilea, 1125. 
ary i ap " shells, 83- 
mula waaga ueous origin 
ied the drift, in = Misso issouri, 917. 
andberger, origin of graphite, 1113 
Sanistones of Pennsylvania, the four great, 1055- 
ord, E., on the growing parts of white pine, 
eens 
Saprophytes, 1. r 
Sarasin, development of the Cæcilians, 1035. 
Sarcolite p 373- 
Saurians a the Fox Hills Cretaceous, 563- 
oan tidæ eii 
Tome 
Seapolie z aig , H., goes to Bremen, 7 
Schisomyeites of Encyclopedia Ti mi 77: 
Scholars fe gaa Cr or er 
cholarshi ucretia Cr , 684. 
Schu "method of preparing the amphibian 
ann 
Science and tw À! on 
Science i p 
Scientific. i C Ra in England, 189- 
Sco oe nes oe aber E 
“mesate 1025. 
Scorpion, development of, 140, 201 
Sea-anem ee, parasitic, 582. 
TI. 
Sea: nt, 
ne urchin »P poisonous, 193- 
tion-sm 
Segmental pem p blastic ori origi gin of, pos a 
in elasmobranchs, origin of, 
Selachii, 1019. 
