Fic. 
DESCRIPTIONS OF PLATES. 
Puate 1. 
. Ammobaculites reophaciformis Cushman. Front view. X50. 
. Trochammina advena, new species. Fig. 2, dorsal view; fig. 3, peripheral view; 
fig. 4, ventral view. X50. 
. Carterina spiculotesta (Carter). a, ventral view X75; 6b, portion of surface 
enlarged, showing arrangement of the spicular bodies. 400. 
. Textularia agglutinans d’Orbigny. Front view. X50. 
Textularia floridana Cushman. Front view. X65. 
. Bolivina pulchella (d’Orbigny). Front views of two specimens, showing char- 
acteristic ornamentation and elongate aperture. 75. 
. Bolivina compacta Sidebottom. Front view, showing peculiar ornamentation of 
the surface. X75. 
Puate 2. 
. Textularia rugosa Reuss? Front view, showing traces of reéntrants. 60. 
Textularia candeiana d’Orbigny. Front view, showing characteristic enlarged 
later chambers. X60. 
Textularia mayori, new species. Front view. X60. 
. Teztularia conica d’Orbigny. Front view. X60. 
. Bigenerina nodosaria d’Orbigny. Fig. 5, front view of microspheric specimen, 
showing small textularian early development, the larger portion of the 
test uniserial; fig. 6, megalospheric specimen in which the test is largely 
composed of textularian chambers, the uniserial adult portion much smaller 
in size. X50. 
. Valvulina oviedoiana d’Orbigny. Fig. 7, front view; fig. 8, apertural view. 50. 
Puate 3. 
Clavulina nodosaria d’Orbigny. Front view. X60. 
. Clavulina tricarinata d’Orbigny. Front view. X50. 
. Clavulina sp.? Front view. X50. 
. Bolivina mayori, new species. Front views. Fig. 5 showing adult specimen 
with a senescent stage in which the last chamber extends across the te 
and the entire size of the chambers reduced. X75. 
. Buliminoides williamsoniana (H. B. Brady). Front view. X75. 
. Bolivina limbata H. B. Brady var. costulata, new variety. Front view. X75. 
. Virgulina punctata d’Orbigny. Front view. X75. 
. Bolivina striatula, new species. Front view. X75. 
Verneuilina spinulosa Reuss. Front view. X75. 
Puate 4. 
. Nodosaria (Glandulina) rotundata (Reuss). Front view. X75. 
. Nodosaria sp.? juv. Front view. X75. 
. Cristellaria sp.? juv. Front view. X75. 
Polymorphina sp.? Front view. X75. 
Polymorphina regina (H. B. Brady, Parker, and Jones). Fig. 5, adult specimen 
showing smooth later chambers; fig. 6, front view. 75. 
. Polymorphina pulchella (d’Orbigny). Front views. X75. 
. Polymorphina gibba d’Orbigny. Front view. X75. 
. Polymorphina lactea (Walker and Jacob), var. Fig. 10, attached specimen 
showing peculiar stolon-like processes; fig. 11, free specimen. 75. 
