Types of the Coastal Formations 
BULLETIN + MUSEUM OF COMPARATIVE ZOÖLOGY. 
Part IL — Tue GEoLOGIC STRUCTURE AND SEQUENCE 
The Four Types of Geological Formations . . . . . 2.0... 
Table showing Sequence of the Rocks . os Ts 4d. p yd 
"Ehe Dus Mountain Series ı ua 3-4 on E esce a or vd 
Previous Attempts at Classification 
'The Basement Beds M x 
Absence of Exposures of a Crystalline Basement . ee 
The Clarendon Section 
Fossiliferous beds of the Lower Blue Mountain Series 
The Jerusalem Mountain Section 
The Plantain Garden River Section . 
The Volcanic Material of the lower Beds . 
The Richmond Beds . 
Lithologic and Stratigraphic Character 
The Port Maria Section . ‘ aoe 
The Richmond Beds in St. George and “Metcalf 
The Moral Cut Section... eo 4 otto tns 
Minho Beds >: V . GN: a a DN 
Reasons for Considering et E ocene Age Mo M i 
The Cambridge Formation 
Its Transitional Nature Pr en 
The Catadupa Beds . ne 
Section along Great River "Valley . 
'The Chapelton Beds 
Extent and Occurrence of the Cambridge F ormation 
Previous Confusion in Literature . . . . +. + 
Usage of the term Yellow Limestone 
Peculiar Stratigraphic and Paleontologic Features of the Cam 
bridge Beds . . a a es 
The White Limestones ol Talar 2. Nu. € P o an 
Introductory Statement . 
Previous Difficulties in Interpretation of the White Tin 
stones vocc nora Puy 
Variety of Age Classifications hitherto prevented 
Diversity of Origin of the White Limestones 
The Oceanic Series, or Upland White Limestones 
The Montpelier Beds 
Lithologie Character i 
Proofs of Deep Water Origin 
Microscopic Character i «e e 4 s. roe 00 
Extent and Distribution . ns «vv a ea ı u u 
Age of the Montpelier Beds . . s so a 
The Moneague Formation. . . Dein 
Shallower Character than the Montpeller. 
Microscopic Structured s r ı oo ı cr u 
Bstentand Ovceurmenód o ra d o «0. (1. 50m. 
Tha Cobra Formation ss co Hu. ur 
The Bog Walk Section = a my voro now on v 
Extent and Ocoutremce . +... . . o + © o tr 39 f 
The Coastal Series .. . . PW.) n! vc M. 
