minister, D. S. Senanayake, obtained the consent of Sir Razik Fareed, Wapchi Marikar's grandson, to keep the museum open on the intervening Fridays only. During the period between 1877 and 1999, the authorities of the museum took various steps to display the cultural and natural heritage of the country for this purpose. Several other wings were added from time to time under the direction of Dr. Arthur Willey and Dr. Joseph Pearson new structures were built during the period of Dr. P. E. P. Deraniyagala, Dr. P. H. D. H. de Silva and Sirinimal Lakdusinghe. One of the natural history museum, and yet another consists of the auditorium. These buildings would facilitate the extension of the library ethnological and Anthropological studies. Developments after 1940 The museum was given the status of a national museum during the period of P. E. P. Deraniyagala. He opened branch museums in Jaffna, Kandy, and Ratnapura and a fully-fledged department of national museum was established in 1942 under the act No. 31. Nine branch museums were ultimately opened, and a school science programme and a mobile museum service are also in operation. The museum has a copy of the Statue of Tara, a three-quarter life size statue of Tara currently held in the British Museum. The crown jewels and the throne of the last King of Kandy, which were returned to Sri Lanka by the British Government, were added to the museum collection. Ground floor galleries are arranged in historical sequence, and upper galleries thematically. A library was also established on 1 January 1877. The government Oriental library (1870) was incorporated into Colombo National Museum library, and served as the nucleus of the library collection by collecting the local publications of the past 129 years; the library has been functioning as an unofficial national library in Sri Lanka, and became the first legal deposit library in the island. From its inception, special attention was given to building up of a collection related to Sri Lanka, Orientation and Natural Science. In 1982 Dr. Thelma Gunawardena became the first woman director of the National Museum of Colombo. She served from 1982 through 1994. From 1972 to 1991, Prof. Pandula Andagama was the assistant director of the Department of Anthropology in the museum, and the assistant director of the National Museum. In his tenure, he established an anthropological deposit in the National Museum. He also organized many temporary