342 CRETACEQUS PALEONTOLOGY. 



1868. Bscaripora immersa Con., Cook's Geol. N. J., p. 722. 

 1905. Bscharipora immersa Johns., Proc. Acad. Nat. Sci. Phil., 



1905, P- 5- 



Description. — Zoarium consisting- of large, thick, tortuous, 

 anastomosing plates with zooecia on both sides. Zooecia elon- 

 gate-oval with parallel sides. Zooecial apertures occupying the 

 entire width of the visible portion of the zooecia, and from one- 

 fourth to one-fifth of its length, the front margin rounded, the 

 posterior margin straight. Surface of the zooecia back of the 

 aperture very distinctly depressed below the surface of the 

 zoarium, marked by five or six pairs of transverse furrows 

 which reach almost to the middle, leaving a. narrow, median, 

 imperforate line. Avicularia numerous, but the exact number 

 not determined, situated in advance of and around the apertures. 



Rema/rks. — ^This species was established upon a single large 

 zoarium, 100 mm. in length by 50 mm. in width and height, 

 which is the only specimen as yet observed. 



Formation and locality. — Vincentown limesand. Timber Creek 

 (Gabb and Horn). 



Geographic distribution. — New Jersey. 



Genus MEMBRANiPOREti.A Smitt. 



Membraniporella abbottii (Gabb & Horn). 



Plate XXIV., Figs. 13-14. 



1862. Bscharipora Abbottii G. & H., Jour. Acad. Nat. Sci. 



Phil., 2nd sen, vol. 5, p. 149, pi. 20, fig. 33. 

 1862. Reptescharipora marginata G. & H., Jour. Acad. Nat. 



Sci. Phil, 2nd ser., vol. 5, p. 151, pi. 20, fig. 35. 

 1864. Bscharipora Abbottii Meek, Check List Inv. Foss. N. A., 



Cret. and Jur., p. 3. 

 1864. Raptascharipora marginata Meek, Check List Inv. Foss. 



N. A., Cret. and Jur., p. 3. 

 1868. Bscharipora Abbottii Con., Cook's Geol. N. J., p. 722. 

 1868. Reptescaripora marginata Con., Cook's Geol. N. J., p- 



722. 



