vl CONTENTS OF VOLUME XVII 
PALEOGEOGRAPHIC Maps or NortH AMERICA. Bailey Willis 
CORRELATION OF THE MIDDLE AND UPPER DEVONIAN AND THE MISsSIS- 
SIPPIAN FAUNAS OF NortH AMERICA. V. Stuart Weller 
PALEOGEOGRAPHIC Maps or NortH America. Bailey Willis’ 
THE VALUATION OF UNCONFORMITIES. Eliot Blackwelder . 
REVIEWS . 
NUMBER IV 
Upper CARBONIFEROUS. George H. Girty . 
Tue Upper PALEozorc FLORAS, THEIR SUCCESSION AND RANGE. David 
White 
PaLEOGEOGRAPHIC Maps or NortH America. Bailey Willis 
THe Convexity oF Hixxttops. G. K. Gilbert 
GEOLOGICAL SECTION OF NEW JERSEY. Henry B. Kimmel 
REVIEWS . 
NUMBER V 
THE FAUNAL RELATIONS OF THE EARLY VERTEBRATES. S. W. Williston 
PaLEOGEOGRAPHIC Maps or NortH America. Bailey Willis 
PaLEOGEOGRAPHIC Maps or NorrH AMERIcA. Bailey Willis 
PALEOGEOGRAPHIC Maps or NortH America. Bailey Willis 
SUCCESSION AND DISTRIBYTION OF LATER Mesozoic INVERTEBRATE 
Faunas IN NortH America. T. W. Stanton 
PALEOGEOGRAPHIC Maps oF NortH AMERICA. Bailey Willis 
PALEOGEOGRAPHIC Maps or NortH AmeErRIcA. Bailey Willis 
Cenozoic HIstoRY OF THE LARAMIE REGION, WYOMING. Eliot Black- 
welder 
CHEMICAL COMPOSITION AS A CRITERION IN IDENTIFYING METAMOR- 
PHOSED SEDIMENTS. Edson S. Bastin . 
THE METAMORPHISM OF GLACIAL Deposits. Frank Carney 
REVIEWS . 
NUMBER VI 
CONDITIONS GOVERNING THE EVOLUTION AND DISTRIBUTION OF TER- 
TIARY Faunas. W. H. Dall 
PaLEoGEoGRAPHIC Maps or NortH America. Bailey Willis 
PALEOGEOGRAPHIC Maps oF NortH AMERICA. Bailey Willis 
389 
403 
406 
408 
410 
424 
426 
429 
445 
473 
488 
493 
593 
506 
