3i8 CRETACEOUS PAEEONTOLOGY. 



1862. Reticulipora sagena G. & H., Jour. Acad. Nat. Sci. Phil., 



2d sen, vol. 5, p. 173. 

 1864. Reticulipora sagena Meek, Check List Inv. Foss. N. A., 



Cret. and Jur., p. 4. 

 1868. Reticulipora sagena Conrad, Cook's Geol. N. J., p. 723. 

 1905. Reticulipora sagena Johns., Proc. Acad. Nat. Sci. Phil., 



1905, p. 6. 



Description. — Zoarium consisting of broad, irregularly anasto- 

 mosing branches whose sides are parallel or a little diverging 

 towards the top, the upper surface of the branches subcarinate 

 along the median line, the surface rounding from the base of the 

 median carina into the sides. Zocecia crowded, large, subangular, 

 the dividing walls thick. 



Remarks. — This is one O'f the rare species in the Vincentown 

 fauna, only the type specimen having been seen. 



Formation and locality. — Vincentown limesand. Timber Creek 

 (Gabb and Horn). 



Geographic distribution. — New Jersey. 



Reticulipora diciiotoina Gabb & Horn. 

 Plate XXL, Pigs. 5-14. 



1862. Reticulipora dichotoma G. & H., Jour. Acad. Nat. Sci. 



Phil., 2d ser., vol. 5, p. 173, pi. 21, fig. 64. 

 1864. Reticulipora dichotoma Meek, Check List Inv. Foss. N. 



A., Cret. and Jur., p. 4. 

 1868. Reticulipora dichotomw Con., Cook's Geol. N. J., p. 723. 

 1901. Reticulipora dichotoma Ulrich, Md. Geol. Surv., Eocene, 



p. 207, pi. 59, figs. 9-12. 

 1905. Reticulipora dichotoma Johns., Proc. Acad. Nat. Sci. 



Phil, 1905, p. 6. 



Description. — Zoarium not reticulated, consisting of laterally 

 compressed, anteriorly carinate and posteriorly rounded branches 

 whose height or width is i to 2 mm., with a thickness of about 

 one-half the height ; these branches give rise to similar branches 

 laterally and occasionally bifurcate. Zooecia crowded in front 



