VI 11 



SMITHSONIAN MISCELLANEOUS COLLECTIONS L v OL. 5° 



Page 



L. Tejon (Eocene) fossil mollusks 448 



LI. Knoxville (Cretaceous) and Tejon (Eocene) fossils 448 



LII-LIII. Vaqueros (Lower Miocene) fossils 448 



LIV. Fernando (Pliocene) Gasteropoda 448 



LV-LVI. Fernando ( Pliocene) fossils 448 



LVII. Fernando (Pliocene) Gasteropoda 448 



LVIII. Fernando (Pliocene) Pelecypoda and Brachiopoda 448 



LIX-LX. Schizodelphis crassangulum (Case) 460 



LXI. Canyon Diablo. Crater rim from northeast. Crater rim 



from south 4 01 



LXII. Canyon Diablo. Outer slope of east rim of crater. Lime- 

 stone boulder on outer slope of crater 463 



LXI II. Canyon Diablo. West rim of crater 464 



LXIV. Canyon Diablo. The crater from the northern rim. The 



crater from the south 464 



LXV. Canyon Diablo. Interior wall of crater, looking north- 

 ward. Looking across crater from the north 466 



LXVI. Canyon Diablo. Contour map of crater 468 



LXVII. Canyon Diablo. Dry wash, south side of outer rim. 



Whale rock on west rim. Boulder on west rim of crater. . 471/ 



crater 470 



LXVIII. Canyon Diablo. Moraine-like hills on northern rim of 



crater. Interior walls of crater 4711 



LXIX. Canyon Diablo. Interior of crater, looking south 472 



LXX. Canyon Diablo. Interior of crater, showing south wall.. . 472 



LXXI. Canyon Diablo. Microstructure of gray sandstone 475 



LXXII. Canyon Diablo. Altered sandstone from shafts inside of 



crater 478 



LXXIII. Typical forms of Canyon Diablo meteoric irons 479 



LXXIV. Etched section of Canyon Diablo iron 482 



LXXV. Canyon Diablo. Shale-ball irons 486 



