000 00332 am a2200121 a 4500
100 1 _aFerris, C.D.
245 1 _aKey to the rhopalocera (butterflies) of Wyoming
260 _aLaramie
_c1971
300 _a1-61 p.
942 _2udc
_cB
440 _aWhyoming Agriculture Experiment Station. Science Monograph No. 21
901 _aS28082
999 _c108618
_d108618