| At length by mere accident I discovered an extraordinary lusus naturae in the disposition of the right subclavian artery. |
| On Sunday last, a cow of the Durham breed calved, along with a remarkably fine bull calf, which is still alive, a very curious lusus naturae. |
| More specifically, the Old Man represented a kind of curiosity called the lusus naturae, a play or joke of nature. |
| Poor Milly became scarlet, and suddenly devoted herself to the lusus naturae! |
| If I do not mistake, there is no such thing as a black lynx, except as a lusus naturae. |
| If there is in fact no such, he is, in his high attainment, almost a lusus naturae. |
