Abstract We define the extra-nice dimensions and prove that subset of locally stable 1-parameter families in $$C^{\infty }(N\times [0,1],P)$$ C ∞ ( N × [ 0 , 1</...

In any extra-uterine gestation at or beyond the fourth month we have to determine one special point as to its nature, viz.,? Is the gestation intra-peritoneal or extra-peritoneal ? The most generally held opinion hitherto has been that such gestations were intra-peritoneal, although the proof for this has been of the most vague character. There is no doubt that the foetus is often intraperitone...