100 MACEOPODID^. 



7. LAGOSTROPHUS. 



Type. 



Lagostrophus, Thomas, P. Z. S. 1886, p. 544 L. fasciatus. 



Ehinarium naked. Hind feet covered with long bristly hairs, 

 hiding the claws. Back cross-banded. 



Skull with a very narrow pointed muzzle. Bullae inflated. Con- 

 dyles of lower jaw broad, transverse, with well-developed internal 

 processes. Coronoid processes slightly concave on their anterior 

 edges. Symphysis menti firm and immovable. 



Dentition:-!. ^, C. 5, P. ^-t^*, M. ;4^x2=32. 



Incisor-series (PI. XIII. fig. 4) forming a sharp angle in the 

 centre, the two sets nearly parallel, and diverging but little 

 behind. I.', the smallest of the three in cross-section, and scarcely 

 longer than the others, with a blunt, conical point. L^ with a 

 broad, flat palatal surface, suitable for grinding rather than cut- 

 ting ; i.^ smaller than i.'', similarly flattened, but with a broad 

 shallow groove running down the centre of its palatal surface, and 

 ending at its postero-external corner, thus producing a notch homo- 

 logous with that found in other genera. Canines wholly absent. 

 Premolars (both p.' and p.*) short, oval, rounded, with well-marked 

 internal ledges. Molars as in Macropus. Lower incisors in adult 

 animals stouter and less scalpriform than in Macropus, their inner 

 edges square, without sharp opposable cutting-edges. 



Bangs. Western Australia. 



1. Lagostrophus fasciatus. 



Kangurus fasciatus, P4r. <§• Less. Voy. Terres Austr. i. p. 114, Atl. 



pi. xxvii. (animal) (1807) ; Besm. N. Vict. d'H. M. xvii. p. 89 



(1817) ; id. Mamm. i. p. 274 (1820) ; F. Cuv. Diet. Sci. Nat. xxiv. 



p. 349 (1822) ; Geoff. Bict. Class. d:H. N. ix. p. 110 (1826) ; Gray, 



Griff. Cm. An. K. v. p. 208 (1827); Less. H. N. Mamm. {Compl. 



Bieff.) V. p. 379 (1836) ; Desm. Bid. Univ. d'H. N. vii. p. 170 



(1849). 

 Macropus elegans, G. Cuv. R. A. i. p. 183 (1817) (neo Lambert). 

 Halmaturus fasciatus, Goldf. Isis, 1819, p. 268 ; Schinz, Cuv. Thierr. 



i. p. 264 (1821) ; F. Cuv. Bents Mamm. p. 186, pi. xliii. (teeth) 



(1825) -f Gray, Grey's Austr., App. ii. p. 408 (1841) ; Wagn. Schr. 



Sauy. Supp. iii. p. 123 (1845), v. p. 307 (1856): Schinz, Sun. 



Mamm. i. p. 550 (^1844). 

 Halmaturus elegans, Goldf. Handh. Zool. ii. p. 446 (] 820) ; Less. 



Man. Mamm. p. 228 (1827) ; Pander ^ B' Alton, Vergl. Osteol. 



Beutelth. pi. ii. (skull and skeleton) (1828) ; Less. H. N. Mamm. 



I^Compl. Buff.) V. pi. XXXV. (animal) (1836). 

 Macropus fasciatus, Fisch. Syn. Mamm. p. 284 (1829) ; Waterh. 



Jard. Nat. Libr., Mamm. xi. p. 287 (1841) ; Gieb. Odontogr. p. 43, 



pi. xix. fig. 2 A (incisorB) (1855); Schleg. Bierk. p. 143 (1857); 



Gisb. Sdug. p. 676 (1869) ; id. Bronn's Zl. u. Ordn. vi. Abth. v. 



pi. xlvii. fig. 21 (4) (1876) ; Chenu, Encycl. d'H. N, Mars. p. 346 



(1879). 

 ' Bettongia fasciata, Gould, Mon. Macrop. pi. xxx. (animal) (1842). 

 Lagorcl^estes albipilis, Gould, Ann. Mag. N. IT. (1) x. p. 2 (1842); 



