INDEX OF PROCEEDINGS. Vv 
PAGE PAGE 
PADI CatiONnSe ese eelstee ceisler 4. Spatangus 29 acde. Vee oe teen lc 236 
Puccinia anemones......+.+- 13 Spectrum, linesin............ 
QTAMINIS. .... reece eeeees T958 © Spinel oss cn cines avo ses 88, 289 
Pyrites....°.....--- 61, 85, 155, 258 _ from NHI, SRSA OS 74 
CBPOE (2 6 \clele a 's(s\o-' «ose rises 298  Spirifer from Brazil.......... 90 
copper, from Texas......-- MUCTONALUS. . 24.2 00cccee 84 
iron, from Connecticut... 50 Spontaneous generation....... 206 
Pyroxene...........-++--s00- 103 Squalodon Atlanticus......... 240 
SSG PIOIIGIS BSS cooded coonOaas 115 
SPOATEZ. . «oes « <3 1, 88, 104, 154, 277 Stellaria MEO Gentimccsieae cies. s 201 
from Hot Springs of Ark. 37 SENOPRONMLCNG eos. c ese!-|sto'a« 69, 90 
Sulphuric acid, reduction of.. 141 
HR COLOLOTUG ya \n\ oie iajo cele «101s 21 *)< 42 Sulphurous acid.. .......... 165 
Rallus longirostris..........+:+ 155 Sun prominences, photographs 
Rodents, fossil, in cave....... 163 OP liars er. seh s ees sess 52 
PERYNCHOGUS..... . 500 cjecerees 1538 Surirella gemma.......... 187, 299 
Rhynchonella.  ......-eeee ees QI) cal IREAITO S225 oes eka estes © 112 
AncreveSCeNS. .....- -e+se- 197 Bee 
Rubellite, from Siberia........ 157 Table Mountain skull....... a s 
OIFATUB.« 3 sw csetecine's's tings mele .. 163 
Salt lakes.......-..-+-+0+-++- 127 = Teleosaurus Tiedmanni....... 236 
Sand blast machine..........- PSM aleOstG sein + clear akon 219 
Sandstones from Newark, N. J. Temperature of March,....... 15 
150, 196, 218 GE Maye (SiUicr toss cnet ae 41 
genesis of........ 181, 186,150 Terebratula.......22)........ 90 
Sanguinolaria fusca ......--- 290 ‘Tertiary fossils............ 30, 78 
Saurians, fossil from N. J... 149 ecile Of. Cee Se 14 
Say, THOMAS............ «---- 11 ‘Tin ore from California....... 74 
Scheelite TCT Poe He dtoheistekerove 85 ore from Mexico.........- q 
SCOETRURI GRA pe doce teeeee nee » 1638 GEOL EROMIAT UF Gd ac eee ctivssons 298 
Sea-bottom soundings, speci- Titaniferous iron ores..... 216, 223 
mens from... ...........+: 41 (ERE cere ee cee Tow alte. 
Sedimentary rocks, color of... 36 Topography of Dakota........ 64 
Seeds, distribution of......... 76 Tourmaline from Maine....... 174 
Serpentine......... eeeees 88, 102 Trachea of Curassowa........ 12 
Sequoia Langsdorfit.......... 148 "Trap formations.............- 99 
Shark-teeth from S. C..... 236, 240 Tree stem in sandstone....... 155 
Shaving of wood............. AAG MEGIGSSIC LOCKS, ..04i45 see esic/st- 99 
Ships, ancient........-.....-- BA CEL OUUUTI, 6 vin o.<>.<14.0,5, 45.5.0: ois 272 
Silica, chemical geogony of... 56 TRTUERR Re SHS CORO Oe 299 
Silicified wood from Nevada.. 202 Trichecus rosmarus.......+++- 15 
Siluroids.... 1.46 ce eee nee 219 Trilobite from Brazil......... 90 
Silver, crystal, from L. Supe- Tropidonotus ....... .se+e00: 163 
TKO) BO lrarig Caen mc CLO ODOT 02 PTET eS see Le el ost e on tuan ein 200 
images from Nicaragua... 299 ** Turba” from Brazil......... 222 
UEPIEAG! OLS « arey tod 1 ejeheiss ye 149 
ore from L. Superior, . 9 
150, 156, 199 ee MOUS Tasco bco oc a pe 
ore from Nevada.......-.. 197 rius. SRP A GMAT cs 2. 163 
Simplocarpus foetidus........ IO a iol ale a apna isd il Ae 
SIMPSON, SIR JAMES YOUNG, ; sp if 
Aesth Gh. oe ae 16 Viola TOUUNOLFOUG see an) etee 293 
Sinter from San Salvador..... 949 Wivianite........-.+--seeeees 198 
Slag from zinc furnace....... 317. Volatile liquids............--- a 
SMITHSONIAN INSTITUTION.... 147 Volcanic phenomena......... 242 
Smoke, transportation by 
THA TVG Ne ie, Gece aReare Ree on ee OOM AlTisMnOSSIle a erts sje = seleia'e + 15 
PRIS PORAM ale 225 oid a vie'e'a s/o ately 8 163 Wolfram from Conn.......... 85 
