The curious naturalist / 
National Geographic Society 
 - Washington, D.C. :  National Geographic Society,  c1991. 
 - 288 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0870448617 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history<br/>United_states<br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH104  / .C87 1991