'"',.,';• ; xx I Recent Literatim \7, 1 



animal life in ea tern North America ■■■ ith regard to il general environment , 



and maki the claim thai while 'temperature unque Lionably < 



.•hi influence in the -li Lribution ol living being , ii i nof th< ipreme 



■ ',i the pre 'iii pha • ol 'li pei a\ ' There i much tobe aid on 

 •.•I Di Trottej i deration. 



Ii i foi i uii.ii' |j i rue thai b call them and what< 



rani ■■■• gi i Ihem the largei lif< area remain practically thi ame in all 



nt -li - 'i ion Ait hi ame ' im< nize that 



then arc in Ea tern North America certain line oi demarkation in plant 

 hi-- due i" cau i othei than temperature, and the region thuu eparated 

 with t In mi corrc ponding dil n theii animal life, Further- 



more the boundary liro are fai more pronounced than those eparating 



tin zone ha '<i on purely climatic condition I i ■ anothei 



problem there are probabty everal factoi in olved and ■■■ mu I 

 idei eaeh ol them ■ finally to arrive at a proper undei tanding 



oi condil ion h w< fm'l t hem W 



Thayer and Bangs on CHiinMe Birds. 1 Thi papei i a report upon 

 a collection ol 3136 beautifully prepared kin repr< enting 35 

 and ub pecii obtained bj Mi w R Z p in Central China One 



genu ii . e m n pi cie and 

 follows: Uhageru wit oni CaUocalia inopina pello , Heleroxenicu 'in, ah 

 forma tei 'I • la graUatoi Sulhora unicoloi canaster, Suthora appeyi, 

 Pneepyga mutica, Oreocincla dautna odd, ReguloidU maculipenni debili 

 Prinia inornata extei Sylviparu mod* tu occulta . Boanergt (gen nov 

 allied to Peri oreu Inlernigrans, all from we tern z n Eighl 



additional new form from thi collection ribed in a pr< 



paper 9 and one in a later one.' Full li ta of localitie from which pecimens 

 obtained and often briel notes on plumage and habitat are given in 

 the pre enl contribution while there are omecommenl of a nomenelatorial 

 charactei //'//. ipek \ found to be preoccupied and I//'/*, eel 

 in tead bul no further detail oi n nc< are pr< ented; Dumelicola i 

 recognized a di tincl from Tribura Chlon i u ed in preference to Lign 

 rinu Propa et i not deemed worthy ol recognition. ^ 



Ban^ OU BpUM Birdfl from the Highlands Of Siberia. 4 In this 

 paper Mr Bang report on a collection of 287 bird kin obtained by 

 Me Holli '■ ' oni d I ein who accompanied \>i Theodore 



M< moil Mi ' tomp Zool '■ ol 

 Bj Fohn E Thayer and Outran Banga pp 137 200 pU 3 kugu I 1912. 

 Boll I ■ ' omp /.""l 1909 p 139 i 11 



• Biol oc W» h '■■ '•• \ i. pp M 96 May 3 1913 

 i Bird from thi Highland ol Iberia Bj Outran] Ba Bull Mus. 

 Comp Zool LIV . pp 163 174 January, 191 '■ 



