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The number of records retrieved is limited to 500 to prevent " excessive resource consumption " by a single user and to prevent browser crashes ; large result sets can cause some computers to lock up . Following several productive snake-catching nights in a row , it is time to photograph and videotape our bounty . The lives of people and large mammals are entwined in all natural landscapes , including protected areas . Inside the aperture of many snails are many teeth , sometimes so numerous and so large that it is puzzling to understand how the animal can ever come out of its shell . When an agency does not deem a change in existing legislation , regulations , or policies to be desirable , it will provide a justification for retaining the existing non - conforming legislation or policies in its budget submission to OMB at the request of the budget examiner . Young snails are more desirable because of their thin shell . This large , worldwide family contains some of the largest and most conspicuous spiders of the tropics . As suggested above , this normalization step achieves two improvements : 1 ) georeferencing is faster because false duplicates are removed , and 2 ) searches are more productive because standardization improves the form of the database . Press the Clear button between queries to clear previously used parameters . " Agencies must initiate action to clear balances held in their uninvested trust , revolving and deposit fund accounts for more than 1 year . They then compared the pattern of venom variation to geographic variation in diet and found a correlation : shifts in diet corresponded to shifts in the venom proteins , clear evidence that the rapid rate of change in the Malayan pitviper 's venom proteins is in response to their diet . Once a cheery yellow , the daypack is now stained a sorry , greasy orange-brown .