Transactions and proceedings of the Royal Society of South Australia (Incorporated) . Fig. 6. Leporillus jonesi. The stomach, showing (a) the outwardform, and (b) the interior with the well-marked separa-tion of the two chambers. Natural size. and the large intestine, in addition to its great size, is rela-tively long. In Rattus raftus the small gut measures somef2 188 72 mm., and the large gut some 20 mm.; but in Leporillusjonesi the small gut is 57 mm., while the large gut measures40 mm. The faceal pellets are more rounded in form thanare those of the members of the genus Rattus, and they ar


Transactions and proceedings of the Royal Society of South Australia (Incorporated) . Fig. 6. Leporillus jonesi. The stomach, showing (a) the outwardform, and (b) the interior with the well-marked separa-tion of the two chambers. Natural size. and the large intestine, in addition to its great size, is rela-tively long. In Rattus raftus the small gut measures somef2 188 72 mm., and the large gut some 20 mm.; but in Leporillusjonesi the small gut is 57 mm., while the large gut measures40 mm. The faceal pellets are more rounded in form thanare those of the members of the genus Rattus, and they aredeposited in gropus. The rat is a nest-builder, and, so far as 1 have seen,never excavates burrows for itself; in captivity, it shows nodesire to burrow, or even to scratch into the earth. In theislands, a burrow is almost always found beneath the nest,and into the burrow the rat will readily retreat; but theburrow is always one excavated beneath the nest by a penguin(Eudyptula minor) or a mutton bird (Pujfinus tenuirostris).There almost seems to be a measure of symbiosis in the


Size: 1927px × 1297px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectscience, bookyear1912