CONTENTS. 
The History of Anthracite Coal in Nature and Art. Speman RS Lippiscott: c e 8 
The Development of the Male Prothallium of the Field Horseta 
paea GRE ei 4s a a kasy paari Campbell... 10 
On the Geological Effects of a Vary Kotava of ih Ea rth. a Mes FORMA Se be Paien: 25 
On the Bite of the North Kikian Coil nakes (genus Elaps) . need W. True. Pee 
chenial Hairs and Fibers of Composit. [ Illustrated.]. . 5 ACO EEO 
Instinct and Memory exhibited by the Flying Squirrel in Conid 
ment, with a thought on the Origin of Wings in Bats . ols GTN see ia S208 7 gO 
The Extinct Rodentia of North America. [Illustrated.]. .... Dei Di. Copt oe nie e TOS SATO 
The Eroro Of Maat is 20 soe e See ae . .. Arthur Erwin Brown... z 
Indigg tone Graves i a a oe ERS i aa at: wees wey Charles? RAW ss Ss 
Organic Physics. aae tp 863, Vol ahkera MOT aa aaa 9 
The Mining Regions of Southern New Mexico. [Illustrated.]. . F. M. Endlich , 
Recent Discoveries of Fossil Fishes in the Devonian Rocks of 
Canada: isl u reece oS aie a ee A ee ae ed ane Pe Re MAUT a e n ee TSE 
n thẹ Extinct Dogs of North America, _[Mstated ieee S SEN 8 AE See ae ee eae 5 
“The Plains” of Michigan. . +See CEE & leah ema ee eee oon oa 
Indian Music. dn ‘win A. Barber Fa aby 
n the O nce of Pouitifagas: Strata i in a pire Plt 
eCarntiit} Group of Middle Pesueyhenains ieee eae aus eee COMMON a i ea OTE 
be Phn at ae ee see ee A ete ee) oe eee uaa F Jori.. taS e SPs 
he Naturalist Brazilian Expedition. iaoe I.—From Rio de 
Janeiro to Porto Alegre.)....... aw . Herbert H. Smith .. . . 351, 467 
Unnatural Attachments among Animals. ........ ee Joha dean Catok; i ciec 359 
severity Hunting in the Tee ee ee es 1E C Woi., SS 363 
a a acts Dipti. ior yi WE L E OFFER Sos SSBF, 409 
A Study of me Paimature Tiange of the North American 
‘Shrikes, to C goroet < thomas T Sirects. e . a e 389 
Wampum and is Histo AEE AS RES . Ernest arera E E T 
Tre PAL Eo canisation of Ani R CE ee ae ee 6 od ip eee Charles Morris. e sa o o 46 
Fiske Ge fg Classification of Moths. . . ene R. ae oie ee 
on the Ea of pe especially Sule: of the 
{Illustrated.].. . Swale coh eek ee + s a POGUE BERET ss so o rs . 505 
Upekee e p on e ee Sele ee eve ye tes cA Ge Van Akin... o 4 tt 
Pearls and Pearl Fisheries. Pani.: ano a GO o, T A EEA . 579 
rries—Soapstone Bowls and the Tools ied in 
inir ies ete oaa te es E era A araa ple etd 
i putes with a Coral 6. foie ee ace aA .J. Walter Fewkes . je oo WS 
Progress of nen Paleontology in in ithe United Šut ‘ee 
the year 4002. 5560. ee ee Viale wee Charles A. White... . «+ 598 
Note on the abe Campeloma of ee ie ee a ev eihene R. Ellsworth Call... ... 603 
Mosses. a get hte RR aS ee ae ose We P Deos ee ore 68 
PGiG tee ae MUTCSSION gs iso E see eee le La we ee ee os OS 
Seay ee TA COR eS i OS 
EDITORS’ Tarv 
The American Naturalist, 58; Nature in the Field, 58; The National Academy of Sciences, 
59; Dates of issue of the Naturalist for 1882, 6o ; Spencer and Darwin, 174; The tiarians, 
175; Home Credit, 176; Credit and Ag ed ah 293; The Origin of the Fittest, 294; Time 
in Biological work, 295; Ph ae Diagrams, 391; Scientific Publications of the United 
vernment, 515; Bismarck as PERESA 516; The National Academy’s meeting, 
627. 
