144 FLORIDA GEOLOGICAL SURVEY-TWELFTH ANNUAL REPORT 
Page 
Bone Valley formation-n6, 117, 119 
thickness of _____H7 
Bonifay, rainfall at _ _ 
Brevard County, samples from well in_80, 01 
Bryozoa, value of in determining age of formations__ 77 
Bulimina__ 87 
Burns Station, deep well near_79, 82 
structure as indicated by fossils from well near_83, 102 
Bushnell, deep well near, study of samples from_80, 88, 89, 94, 98, 99 
stratigraphy as shown by study of samples__ 89 
C. 
Calcareous mud _ 73 
Calcite crystals. ---89, 90 
Caloosa, Miocene deposits near___:_ 69 
Caloosahatchee formation, thickness of _118 
Caloosahatchee marl _69, 71, 73, 103, 106, 117 
Caloosahatchee River _67, 68, 69, hi, 117, 118 
Canals, fossils from_ 118 
Cantonment, deep well near _ 120 
Carnegie Institution of Washington, publications of- 99 
Casey’s Pass___ 70 
Central America, correlation of formations of with Southern Florida_ 78 
Chamberlin, Rollin T._._ 1 
Chattahoochee formation_’___._82, 83 
age of - 114 
character of ___115 
Chemically deposited limestones--- 78 
Chipley, exposure of Vicksburg formation near-114 
Chipola age of formations- 93 
Chipola River, exposure of Ocala formation on-114, 116 
Chlaenius aestivus Say- 6 
tricolor Dej. _ 6 
. Choctawhatchee formation___103, 115, 116 
age of_ 116 
Choctawhatchee River, Claiborne formation exposed on-113 
Miocene exposures on----115, 116 
Claiborne formation____——96, ioo i 113, 118 
Clay -—-115 
Clay County, depth to Eocene limestones- 121 
exposures on Black Creek_—.-115 
Climate of Florida--—--- 108 
