CONTENTS. 
PAGE 
Proceedings: April 1, 1889 (continued) .......... 2.2.20... ecce So ote 
Results of Observations on the Total Solar Eclipse of January 
1, 1889." By *Davip“PSTODD AE. 3 oe ee ew a cee ee eee 153 
Proceedings: “April’S, 1889.5 2.00 cis cex was 2 ge eee 156 
Amber, its History, Occurrence, and Use. By J. 8. NEWBERRY, 156 
American Ambers, with other M Side aue Notes. By GEORGE 
BS RVING 5 12 atone tieleare at ls omar awed a Bie. do) Aamo te ee 158 
The Precious and Ornamental Stone of North America (collec- 
tion prepared for the Paris Exposition), By GEORGE F, Kunz, 160 
Proceedings: April 15, 1889........ aeayetve gielen OR US SSD eee ee 163 
Glacial Moraines in the Front Range, Colorado:—Public Lec- 
ture by Mr. FREDERICK H. CHAPIN (without abstract)....... 163 
Proceedings; April 22; 1889 5 ee ein csp wes nee eee oor ae 163 
Shell-mounds of Cedar Keys, Florida. By J. J. FRIEDRICH.... 163 
The Tehuantepec Ship-Railway. By JOHN C. HENDERSON,..... 164 
Proceedings: ‘May-6, A889 2.5. a5 Salcce» ciarao.0 ls devetems bite ale ot 2 eee 174 
The Durability of Building-Stones .......... .sseeeees eeceeee 175 
Recent Geological Discussions:—the arrangement of the Cam- 
brian rocks; the Cretaceous flora of North America...... ... 176 
Proceedings; May 18,1889. fos oo wanda ld cve tees ae ene alee 176 
- A Revision of the Edentulous Genera of Curimatine. By C. 
Hand B.S. [HIGENM ANN. (titl6)s.,.00%%. 42> + nani v sels Se eee eee 177 
Remarks on Recent Discoveries in Local Cretaceous and Quater- 
nary Geology:.«dsy Ni Ui BRITTON cease ne iv inn os eaten 177 
Jebel Nagous and a New Mountain of the Bell. By H. C. 
BOLTON 5 0000) srea aos 6 na Fee 2e ma ae See Re eleas He cle thane 182 
Proceedings: ‘May -20,°1880 -.. 005. ceca aise aces eles ne ee 184 
Iceland, its History, People, and Scenery (lecture). By CHAs. 
SPRAGUE SMITH oo) ciceted ce celts oe eve case Daa eee ee 184 
Proceedings: May, 27; 1880. «Sadadstc’. o's 0.0 s Gawwinen's a ate Oe eine 185 
Yttrium Minerals from Llano Co., Texas. By Wm. EARL 
PEDDIE aos Seen needa Re Ginn 6 ans Dae ee hin ns Side ae 185 
The Pipe Creek (Texas) Meteorite, By ALBERT R. LEDOUX.... 186 
The Cause of the Tides. By JOHN PATTEN.............ccsee0 187 
Proceedings: June’ 8) 1889. icdie oe Vesna eee Oho hee ek 188 
Recent Archzeological Excavations at ‘Athens, Mycene, Tiryns, 
Epidouros, and Olympia (lecture). By A. C. MERRIAM...... 188 
APPENDIX: 
Charter, Constitution, and By-Laws. Lists of Members, Fel- 
lows, Patrons, and Correspondents of the Academy.. ....... 189 
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