CONTENTS. 
PAGE 
Proceedings: February 4, 1889........ FP sien eae Ned tates 2 ese 
Observations on the Termites, or White Ants, of the Isthmus of 
Panama) / By. P., A UDtEY . eoods hath Aas ReNa ded <2 See 
Proceeditigs: Webruary Li LSeocas oko tawotes weee ee ekte Wades eine 
Modes of Evolution in Fossil Shells:—Public Leckie by Pror. 
ALPHEUS Hyatt (abstract)..... ......... otal aie dia delete fate eae 114 
Proceedings:: February 18, 1880.0 3... sogs.. Pocus ine Cabbie oe cee 115 
Tattooing among Indiansin British Solunibia. By Franz Boas.115 
Termitogaster, a new genus of Termitophilous Staphylinide. 
By THomas L. Casky (title)....  ......00.- dee bette eee eee 117 
The tendency to Contamination in Artificial Ponds, irrespective 
of volume,—with application to the proposed Quaker Bridge 
Dam, By We. Gs. ELSHYPER . oy Wak (5s oe eve eee ng leg 
Discussion .......... SR ee a araane © 3 ee 5 sete ied kaise aia 119° 
Annual Meeting: February 25, 1889.......00.... se. ceeccescee es 125 
Report of the Treasurer.vs 22. oo. 5s) ca Need wcvde saan at oe 20120 
SE me ACES aD raMAN, F738 ois 2h). «erka se OE NRE Mos ae elo ee ee 126 
“So MOS, Corresponding Secretary |.) Wxtss..2 ar ee ee 127 
“s ** .“ Committee of Publication ©... .208.. ..iasksaeees 127 
Other. reportage. ions hc be ke anus ontbenn ne wwe s Fe 2 aca dee 128 
Hiéction of Officers for 1869, 5); 24 5-4. )... }d desig hb eS wae Seed 128 
Death of Mr. 8. LoweLL ELLIOTT......... Aveo span ee Womens 128 
Geological Strata-map. JAMES T. B. IVES..............0.0000% 129 
Proceedings: Marel4 “18802 5: 03:< <2... des ccueancs seweecs Deen oe 130 
Sensitive Flames and the Diffraction of Sound :—Publie Lecture 
by Pror. W. LE ConTE STEVENS (abstract).............00e008 130 
Proceedings: March 11,1880. #. (o:8us Gade goes <0 on ca eeaue ene cee 132 - 
The Man of Spy,—discovery of Paleolithic Human Skeletons 
near Liége, Belgium. By J.S. NEWBERRY.... ...... ee 3%) 132 
FProveddings;Mareh’18,\ 1880 0.0. voir. sa es saree See gactaaeeee o's aa 
The Tin-deposits of North Carolina. By JoHN H. FuRMAN. ....186 
EIBOUBSION ic: 5, dyads ok awa aaa ten s¥eie Una «do eames alenerene . 145 
Proceedings: March 25,.1889." c seaees sas ss tas becaeocas seen ecneuee 151 
The Little Builders of the Earth:—Public Lecture by REV. E. C. 
PSOE ETE ais ovis ho stati sifu eC ENS Sone o 92 oats wee me tists gia hae 151 
Brockedings:“ April 11880. v3 cess qa: Non pede s sus ese eee 152 
Death of Pror. FREDERICK STENGEL.: 2.2.2.0. ..da.0scsmegun 152 
The Calceocrinids, a Revision of the Family, with Descriptions 
of New Species. By E. N. S. RINGUEBERG (fitle)............. 152 — 
A Catalogue of North American Paleozoic Crustacea belonging 
to non-trilobitic genera. By A. W. VoOGDES (fitle)............ 152 
Cabinet of American gems prepared for the Paris Exposition. ..152 
