4. PHASCOlOGALEi 275 



p. Neck and tail bright rufous. Hal- 

 lucal pad divided. Mesial stripe ' 

 indistinct or absent on head .... 4. Ph. wallaeei, p. 280 . 

 d. Tail comparatively short-haired; black, 

 its extreme tip generally vrhite. 

 Mammas 4. Back with a single 

 well-defined stripe. 

 g^. Back-hairs orange-tipped ; belly 

 dull orange-rufous. Hind foot 

 in adult animals more than 29 



millim 5. Ph. dmiai, p. 282. 



h}. Back-hairs white-tipped; belly rich 

 chestnut. Hind foot less than 29 

 miUim /, , Q. Ph. dorsoMs, p. 283. 



II. Crahtai, Chaeaciers. 



A. Upper p.* minute, single-rooted. 



a. Lower m.^ narrowed in ftont, without 



an anterior secondary cusp. Lower 



lij^r-^' «^°S^«-'^°°*''^' °' ^^°"y I L Ph. cnstieaudata, p. 270. 

 ^'"®°* ]2. Ph. apicalis, p. 277. 



B. Upper p.* well developed, two-rooted. 



b. tipper p.** smaller than, or barely equal 



to, p.* Lower m.' narrowed in front, 

 generally without an anterior secon- 

 dary cusp. 

 «'. IVfolars '"^ more than 8 millim. An- 

 terior secondary cusp on lower m.' 

 small or absent. 

 a'. Lower p.* quite minute, single- 

 rooted, or altogether absent. ... 3. Ph. thorbeckiana, p. 278. 

 b^. Lower p.* two-rooted, distinct. 

 a'. Skull stout and strong. Lower 



p.* smaller than p.' 4. Ph. wallaeei, p. 280. 



V. Skull slender. Lower p.* 



larger than p.^ 5. Ph. dories, p. 282. 



¥. Molars ^"^ less than 8 millim. A 

 small anterior secondary cusp on 

 lower m.^ 6. Ph, dorsalis, p. 283. 



c. Upper p.* larger than p.s Lower m.^ 



with a distinct anterior secondary 

 , cusp. 



c'. Lower p.* nearly as large as or 

 larger than p.' Lower incisors 

 subequal. 

 c^. First three molars less than 7 

 mUlim. long. Palate-length 

 less than 20 mUlim. 

 e^. Upper premolars evenly in- 

 creasing backwards. First 

 three molars more than 5 

 millim. 

 o*. Upper i.' short, flattened 

 laterally, touching and 

 nearly parallel to i.^ 



t2 



