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The animal has been dead for some time , and is covered with a dark cloud of buzzing flies . Using keys requires the learning of some terms . It must be remembered that it differs radically from an operculum in being only a temporary secretion , while the operculum is actually a living part of the animal . We assume our guides are taking us to a thick forest and are surprised when , after an hour 's journey , we stop alongside some fallow cotton fields-bare dirt everywhere and no trees . As agreed with the House Committee on the Budget , our work concentrated on the debt collection phases and did not focus on the credit extension and account servicing phases of federal credit management or on credit reform requirements . We are sending copies of this report to relevant congressional committees and subcommittees , the Director of the Office of Management and Budget , the Secretary of the Treasury , the Secretary of Agriculture , the Secretary of Housing and Urban Development , the Secretary of the Department of Veterans Affairs , the Secretary of the Department of Education , and other interested parties . Both of these sites seek to gather information regarding the 1 ) seasonal variation of faunal composition 2 ) a thorough inventory of the herpetofauna at each site 3 ) natural history of each species 4 ) seasonal variation of frog calls 5 ) market sales and usage of amphibian and reptile products . Several years ago , a beautiful Asian snake , the red-necked keelback ( Rhabdophis subminiata ) , was commonly sold into the pet trade as harmless , until one fatal and several near-fatal bites occurred to people handling them . This list is preliminary ; we anticipate the addition of many new species , both species new to science and species new for Myanmar . You should be on the lookout for it and report any sightings to the park authorities . The skull is the most complex segment of the mammal skeleton . People tend to categorize snakes as either venomous or harmless , but , as colubrids demonstrate , the reality is a continuum , from completely harmless , to mildly venomous , to deadly . The speed of the European garden snail , Helix aspersa , is dependent on the surface on which it moves . This ability of self-fertilization is a very significant feature , because it enables the snail to establish a new colony by means of a single individual . We believe focusing upon amounts which remain in the collection process would be beneficial primarily because it would offer the Congress a better picture of both what borrowers owe and agencies ' debt collection efforts . Some reclassify such debt as " current " but others keep it in a delinquent category regardless of the current payment status . Within seconds , Dong is pouring water liberally into both of my eyes , but minutes later they are still burning . The tooth bearing membrane gradually grows forward , moving new teeth into the feeding position and worn teeth to the area where the membrane can be reabsorbed by the animal . After some awkward thrusts , I snag it with my snake tongs and secure it in a cloth bag . Venomous snakes possess some ability to meter their release of venom , to size up the situation and deliver an appropriate amount .