46 FLORIDA GEOLOGICAL SURVEY I3TH ANNUAL REPORT 



The only records for this species from the Florida well borings 

 are the young specimens from Ponce de Leon Well. St. Augustine, 

 88 feet, and a more fully developed specimen at 200 feet. 



ClavuUna species. 



There is a small specimen of this genus not well marked from 

 the well at Fo)rt Myers, Florida, from a depth of 720 feet. 



ClafiiUna .' sp. 

 Plate I, figure 8. 



There is a large coarse species, with the early portion ap- 

 parently triserial or coiled, and at a decided angle with the later 

 part, which is short and circular in transverse section. These are 

 not well preserved. They come from limestones in which Orbitolina 

 occurs and may not belong to this genus. 



They occur with Orbitolina in the following Florida wells : 

 Anthony Well, 160 feet; Ponce de Leon Well. St. Augustine. 440 

 feet; and Tiger Bay Well. 720 feet. 



Genus Bulbniua d'Orbigiiy, 1826. 



There are a number of species apparently belonging to Br- 

 liiuina of the arenaceous group which are characteristic of the 

 Lower Cretaceous, and which occur with Orbitolina. 



BuVvnina sp. 

 Plate 2. figure i. 



Specimens of an elongate tapering form with close-set oblique 

 chambers occur at 440 feet in the Ponce de Leon Well at St Au- 

 gustine, Florida and at 250 feet in the well at Apopka. 



Buliiniiia sp. 

 Plate 2, figure 2. 



A coarse, thick, arenaceous species occurs at 138 feet in the 

 well of J. Wiggins, at Eustis. Lake County. 



