onennnanog og TTONGIA PE BET rLA PENT T CILLATA, Gray, Jerboa Kangaroo. Bettongia penicillata, Gray, in Mag. of Nat. Hist. new Gould, Mon. of Macropodide.—Gray, Hypsiprymnus murinus, Ogilby, in Proc. of Zool. Soc., Part vi, p. 63. setosus, Waterh. Cat. of Mamm. in Mus. Zool. Soc., p. 65. (Bettongaa) penicillatus, Waterh. Nat. Hist. of Mamm. Ser. vol. i. p. 584.—Waterh. Nat. Lib. Mar supialia, p. 183,— List of Mamm. in Brit. Mus., p- 93. » Vol. i. p. 219, pl. 9. Hullmandel k Walton, Lip. Se Tue eastern parts of Australia, particularly the districts on the interior side of the r cies figured on the ace Wales, constitute the true habitat of the spe Bt) very abundant on the Liverpool Plains, and on the anges of New South ompanying Plate. | observed it to be banks of the river Namoi, from its source to it coast I did not meet with Ik so; but, if it be, it is cert I have never seen an e part of the country appearing to be su S Junction do not, however, assert ain that it is far less abundant there xample from South Australia ; pplied by its near ally tl abundance from thence to the western limits of the with the Gwydyr; but between the ranges and the that it is not an inhabitant of those districts al than on the other side of the ranges. its place in that 1e Bettongia Ogilbyi, a species d country, or the colony of Swan River. animals (B. pencillata and B. Ogilby?) , while I admit the feasibility of this opinion, colouring of the two animals are so different, that, in a work on the M ispersed in Mr. Waterhouse | isinclined to believe that these eastern and western are merely varie- ties of one and the same species; and the markings and ammals of Australia, I cannot do ~ otherwise than figure both of them, leaving their specific value to be ascertained by future zoologists, should Si . noopportunity for fully investigating the subject occur to myself: it is just one of those cases In which a ‘ | careful examination of a great number of specimens and skeletons from both localities is required to q | determine so dubious a question, and such materials are not at od accessible. 3 ; 4 | Like the other members of the genus, this species constructs a thick grassy nest, welunel is placed ina < hollow scratched on the ground for its reception, so that when completed it is only level with the ae = ing grass, which it so closely resembles, that without a careful survey it ey be Cone ane 3 Fire ffosen for the nest is the foot of a bush or any large tuft of grass ; during ae day it oe = tenanted by one, and sometimes by a pair of these little es which lying coat! a oe e oe = fectly Epicealed from view; there being no apparent outlet, an Aa oe bees se SI a : > entrance, when, as ave before stated, the w S kK : aL they drag the grass gorupictely over S me eG es rarely pass without detecting its tail ee ; 8 ‘a » extremity of the 1 I P ae : > nose to the e ) = a Length woun Wis oS ‘ 4 3 S » of tail . Co ail a 22 i} yy of tarsus and toes, including the a oF ; ~~) g ” ¥ : aile Q1 - ° S F including the nails : 35 aS * ce of arm and hand, including reece 1 , S of face from the tip of the nose to the Das fe S Be é : . of ear The figures are of the natural size. NANG