It may be doubted, for instance, whether the Australian marsupials, which are divided into groups differing but little from each other, and feebly representing, as Mr. Waterhouse and others have remarked, our carnivorous, ruminant, and rodent mammals, could successfully compete with these well-developed orders.
Dudatan jar daiteke, esate baterako, Australiako martsupialek, elkarren artean alde gutxi duten taldeetan banaturik daudenek eta, Waterhouse jaunak eta beste batzuek ohartarazi duten legez, gure ugaztun haragijale, hausnarkari eta karraskariak era apalean ordezkatzen dituztenek, ordena ongi garatu hauekin norgehiagoka arrakastaz ihardun dezaketenik.