TTEUoprs SAMoiixsis. 085 



(1U08: lutuila; Upolu ; habits) (noui, niid.). 

 _ Diagnosis.-- Allied to P^. ,t«t^«,Vn5ts, but dentition much heavier 

 1, and p^ unusually large, posterior ledges of cheek-teeth' 

 Sro "' "i """^^'Z-'' ™°^^ '""''^'y differentiated, posterior 

 eefb . ^ ' ""^ sometimes extending forward along inner face of 



ess nthlK •' V""" '^''^''T' '''''• ^^' ^°°Ser, coloration 

 essen .ally as in Pt. vawaiensis, but brownish of back "enerallv of 



^itf ^ith'TlTb^ '^r' ^^""-^•' ^^^^' ^^■"' -^ throat m'oe 



dib]e"""T^^.%'-'' ^'-/T"-"''"'"' ^^^ ^^* "''''^'^y heavier man- 

 Wl-wT^ °^u''^°"^''' moderate, alveolar line continued 



backward passing through upper part of occipital condyles 

 llostrum short and stout, as in Ft. ncnoaiensis; front of orbit above 



S t tl'JcreTt T ^"''"V" ^""'i°' P^ ' '''' °^°^^'t« - - — >-^- 

 coronoidbll. 7"^"^- r^'^-"'^ ^^^'^^^ ^^S^' ^^^^P^V ^^^cending ; 

 corono.d height ot mandible in aged specimens considerably more 

 than length of lower tooth-row, c-m . ^ 



r.e<A.— Upper incisors distinctly broader than in Pt. nawaiensis 

 Upper canines markedly _ stouter, recurved, cingulum ver broad' 

 foroiing a sharp^- projecting ledge at inner base of tooth /marSn 



iounded tubercles p^ less reduced than usual, equal to or lar<^er 

 han 1^, present in both of the skulls examined as well as n three 



IN at. Jlus.). p, p, and m' considerably heavier than in Pt na- 



irrb; a n^ft^h" 'r^' '^1^^^ '1/ '"'^^^'^ marked off frl 

 tooth b) a notch postero-externally, where the led-e is raised 

 as a small rounded tubercle. In V the ledge is rather more 

 tooThlli?J-"'"r"'f^"^^ '"'^^ °" posterore.ternal corn'rof 



the^tif on'rfhTV" "'""■ > "°"^^'"^' ^'-^^g^' f«"^ to five times 

 X-1 A > ^ . f '■''?^ '°"^'^^<^ ^" «^^e between i, and i bein- 

 chiefly due to actual enlargement of i, as easilv seen^on compari oii 

 with P^n«u.n,„s..,, but further emphasized by a slight reduction 

 ot ij Lower canines recurved, stouter than in Pt. nawaiams 

 ba"f rtooT"' ' ^^•"--'S^'^' h-ad ledge at inner and posterio; 

 and An If ? ^{ Tfrl^' ^"'■S'' °^"^h larger than (about one 

 lele of i ''' ; ' ^"^\'^ P> '■" ^'- «««'«'■«-'>• Posterior basal 

 ledge of p3 very strong, sharply separated postero-externally by a 

 well-marked notch from outer longitudinal ridge of tooth • antero- 

 internal cingulum of same tooth distinctly projecting bu wrthoufc 

 trace of minute tubercle (cf. Pt. anetianus). Posterior basal ed.e 

 of p, and m, very broad, sharply cut off from outer and inner 

 ♦ Spelt rt. r„fficoIlh in the index to the book (pp. 242, 245). 



