CONTENTS. 
PAGE 
Proceedings: January Sth; 1801 ).....0 \Weedwiaca)bena orbs ence epee 49 
Reportipt the Couneil 50ers aid eis wise eweleusisigiy ike etka 49 
Hlectiow of Membsts v.44 tizss.2 a ctieae-e ciohik 6s viele Rene tats vaio eB 49 
Presentation of the proposed aa rad sae to the By-Laws ... 49 
The Discovery of Diamonds at Plum Creek, Rock Elm Town- 
ship, Pearce Co., Wis. By GEORGE F. Kunz. (Without 
ADSDEACK) faa lx taco sncess aides MER ORNS Meet Wet blee ee epee ae eneine 49 
The Discovery of Fire Opals. near Whelan, W aivingtant: ee 
GEORGE F. Kunz. (Without abstract.) ..... .......0e.e000- 50 
The Phosphorescence of the Diamond after Exposure to Sun- 
light, and also by Friction. By GEoRGEF. Kunz. (Brief ab- 
SULACH ied vice lsc bio.) a reraapdlo wii et aren Seles Shlate Aue Na noone eater etre 50 
The Occurrence of Beryls and Garnets on New York Island. 
By Giuman 8S. STANTON... (Abstract.)....... .0..ce20. cecscee 50 
Proceedings: January 12th, 1891. (i.. sis. delice c cee cesesahioe se cashes 52 
Bahaman Birds. By Dr. JoHNI. NortHRop. (Abstract.)... . 52 
2 
Proceedings: January 19th, 1891 026 ao. cotieeisae ticle ols oon walang eee 
Resolution of Thanks to THOMAS L. CASEY......... ...seeee. .. 538 
Lecture. By Pror. A. J. DuBois. Subject: Science aad 
Miracle... ..( Without /abstract,)/(oi0siie 2 osprulsnsts eo inte ile plentinds 54 
Proceedings: January 26th; 189M. 2% ays sills ve mss ce se wares tattoo 54 
The Geographical Distribution of North American Mammals. 
By Pror. J. A. ALLEN. (Without abstract.).......... Sieg oeee EOS 
The Origin of the Avefauna of the Bahamas. By FRANK M. 
CHAPMAN, , (Abstract) ('.si...cacae macepiceaie Sab eaniew sehr fesiae . 54 
sue Nake February 20, 1890.32. oasis tine cps arte cee ees 55 
Report of the Council ............... TOA AS Ae ict SAE ne 55 
Election of Members.................0<- SPE SUOTG A OO. Os = jue a aK 
Adoption of Amended By-Laws............2... ssevee a alaWte deb 55 
Obituary Notice of PRoF. FELIPE POEY..............00¢ Ser oie sO 
On Some New and Interesting Occurrences of Minerals and 
Precious Stones in the United States. By GEorRGE F. Kunz. 
(By ‘title,). s/f Gaya. see kee koe aise pment cme Biers isi 56 
(Continued on Third Page Cover.) 
