A Cuban international question had arisen before 1820.
In each diocese there had arisen a judicature (judices pacis) to decide when the form had been broken; and an executive, or communitas pacis, had been formed to enforce the decisions of the judicature.
If so, there is an alternative method by which the endopterygotous may have arisen from the exopterygotous condition.
Considerable difficulty has arisen as to the scope of the terms " impositions," " charges," " duties," " outgoings," " burdens."
There seems no doubt that the suctorial mouth-organs of the Diptera have arisen quite independently from those of the Lepidoptera, for in the former order the sucker is formed from the second maxillae, in the latter from the first.