about ten to one
They pass their days in happy serenity so long as they have enough to live upon . Being a very healthy country , the birth-rate is enormous , considering the population . It is no uncommon thing to find families of fifteen to twenty , all alive and well , girls , of course , preponderating . Now , as Tasmania has no factories or important industries , the boys when they grow up emigrate to other colonies to make a livelihood ; the girls remain behind , so the proportion of women to men is about ten to one . '' `` No wonder Wyck came on here , '' said Reg , grimly . `` The Tasmanian girls , '' continued Hal , not deigning to notice the interruption , `` are noted for their beauty . Nearly all the beautiful women in Melbourne and Sydney are Tasmanian born . ''