TABLE OF CONTENTS. 
Pages. 
PUI VAC ARR O FLD) Aino gta cs ecins sc sce eretspecrepsses vss Scncscneccace ceccaseecemeccss 427-456 
CAIVTIOS, CASINO co oeig ooo g5e Deas DB SSSS Co GaSe EOE EEE SOR AOAC ABESeaaes Gabecaos Saauan saan cee 432-451 
CPE? GRUePraacdo cbc sea cages a sosdatiosdedgs ¢ ess Bass A0ea0 HUHO Soon OanOoS Ses Eco CDSOeSEaarS 433-451 
SS VHOM WAI VAR eee ctes o)sciies oe oneee ee cue ances ae sinaawico'sic eciecicuitwiae were as cce ce ete ces cases 433-434 
Description ....---.-.-. yr cee ae So Cobo Coos Ae eaee ecce socted scans scodos Soon esse aaeoeoee 434-436 
Relation of the American and Old World Beavers ............---.----. ------ ---- ------ 437-445 
Remarksion synonymy and nomenclature... ..-<-<se<<. -<--<0ee sens werees wccincacseces 444-445 
Geographical distribution .-.. .-- 2 $500) 1 9mS DO OST SEO NO SESS BSS SSE SE8 Ss6 Shoor os Ga5oEd oses 445-446 
HDSSUMTE MAINS Sorel aie a Sse er scree s oSeei cede seseisicoscs scsseiecce ccicsenccascses 446-446 
MESA PEG MION EA Of BMS nena saree he etree niaiesisisc oiae cms elsie sane since eceiscenivn vaecers 447-447 
LIS OE STROH O I GRE Nt ese Se ose soeece Dor Sse Se obod Sec Se0 CSCCRo Conb eccororsoraases 448-449 
GrviHie LBW GW SIO Seo rnS te Got ede ene seers COUC HOSE ED BAH SSBC DB BORD BANG SHO OSE SECS EEC EC EOSOee 449-449 
LOO GCG? AN De e232 OS ROA CORE SS OA IEC G SOLS IDO SED 0S RD BO PORES OSC BCU Dae COS BORG CaS ane 449-451 
. URSIN) STOTT. oo Geos en tonsendeed Cane SER BEBE SUOEOO RACEAD CED IRE SE GSHOEH Aa6o) BOERSES 451-451 
DILATED | UEHMCUNARCONSIS see ee sare ow lm eels nanias se (-e~<oe cock ssc aiwceeteoseiet-ceeecicin=ssiseee-o-e) ADL-453 
PIENCO RUE PONSUS Ie a sais caioee a tee eisas atone shoses esse scjoe se cescssucesccees ese eseceeeses, ADS—453 
Bibliographical appendix ...-..---.....---..----0 06 BaoanboS AR CCOCCOQU CHRO IADB EONd cba sae 454-454 
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