I'alconlology of the Cine iunali (,'> oiip. 149 



Rrinarks. — This is a peculiar form, and while the type 

 specimen seems to be massive, it has some appearance of being 

 made up of a number of masses which may have a central 

 nucleus. The weathered edges show the corallites to be com- 

 plete and with rather numerous tabulse. The surface shows 

 only granules l^etween quite large monticules, and no clearly 

 -defined openings. 



Genus 2. — Protar.KA, Ed. and Ilaime, 1S51. 



" Corallum incrusting; walls simple, polygonal, bearing at 

 the angles of a majority of the calices small projections ; 

 calices shallow, septa less trabeculate than in a majority of the 

 Poritides ; margin dentate, the innermost teeth looking like a 

 small columella, no pales." (Mon. des Polyp. Foss. des Terr. 

 Palaeoz., Archives du Mus. d' Hist. Nat., Paris, 1851, p. 208.) 



Remarks. — The above is the description given by Edwards 

 and Haime for a coral described by Hall as Porites (f) vctusta. 

 (Pal. of N. Y., vol. I, 1847, p. 71.) I have been unable to find 

 any additions to it by later writer?.. Only one species, with a 

 possible variety, is known. 



I. — P. VETUSTA, Hall, 1847. 



" Corallum expanding so as to form a very thin crust, fixed, 

 ordinarily, upon shells of brachiopods, and from which its 

 shape is derived; calices polygonal, somewhat unequal, shal- 

 low; walls simple, moderately thick, and often showing at 

 their angles small, column-like prolongations, such as are seen 

 in Styloocnia; 12 septa, alternating, somewhat unequal, rather 

 thick outside, slightly prominent, and forming crenulations 

 upon the wall, free at the margin, dentate, thinner within, 

 where the teeth are much finer, and simulate in the center a 

 columella; papillae somewhat irregular; calices ijj mm. to 2 

 mm. in size." (Ed. and Haime, Ibid., pp. 208-209.) {Porites (f) 

 vetusta, Hall, 1847.) 



Locality. — Oxford, Cincinnati, etc., Ohio. 



Remarks. — The above is a free translation of Edwards and 

 Haime's description. The species is also described in the 

 Ohio Palaeontology, vol. 2, p. 221. The original description 

 of Hall, which is meager, is as follows : "A sub-hemispheric 



