Or has been guilty of incestuous adultery,
Or of bigamy with adultery,
Or of marriage with another woman with adultery,
Or of rape, sodomy or bestiality,
Or of adultery coupled with such cruelty as without adultery would have entitled her to a divorce,
Or of adultery coupled with desertion, without reasonable excuse, for two years or upwards.
Contents of petition. -Every such petition shall state, as distinctly as the nature of the case permits, the facts on which the claim to have such marriage dissolved is founded.