Labrum - a cover which may be loosely referred to as the upper lip. Mandibles - hard, powerful cutting jaws. Maxillae - 'pincers' which are less powerful than the mandibles. They are used to steady and manipulate the food. Labium - the lower cover, often referred to as the lower lip.
The President, as head of the federal executive branch, is ultimately in charge of enforcing the immigration laws of the United States. In turn, he must make discretionary decisions about whether and when to prosecute immigration law violators through deportation and other sanctions.
Immigration Restriction Act 1901 (Cth). This document put in place the law that was the cornerstone of Australia's 'White Australia' policy. The Governor-General signed the document two days before Christmas Day 1901, a week after he had signed the Pacific Islander Labourers Act into law.