Loans are made to any qualified individuals or institutions requesting them, and who will assume the responsibility for the care of the material during the tenure of the loan, and for its safe return. In order to qualify, individuals must meet one of the following criteria: affiliation with a museum, university or governmental unit, recognized authorities not affiliated with an institution, or individuals such as graduate students sponsored by a faculty member. Student loans are made under the name of the faculty sponsor. Loans are made free of charge for a period of six months, and may be renewed for as long as the specimens are necessary for the completion of research. Destructive analysis is not allowed without prior approval. When destructive analysis is appropriate, every effort should be made to limit destruction to less than the entire specimen. Requests for tissue samples for molecular work can be made, and will be provided whenever possible. It is understood that these samples will not be returned to the museum. Individuals wishing to examine large numbers of specimens are encouraged to visit the museum. Loans of Holotype specimens are not generally made, however, detailed photographs of these specimens will be provided free of charge.