I4.S 



Cincinnati Society of Natural History. 



plete : mural pores generally few in number, of large size and 

 irregular in their distribution. (Systeme des Animaux sans 

 \'ertebres, 1801, p. 375; Nicholson, Palaeozoic Tab. Corals, 

 1879, p. 117.) 



Remarks. — The description given above is that of Nicholson, 

 and it is much more complete than the original of Lamarck. 

 The generic characters are very fully discussed by the former 

 writer, (Ibid., pp. 11S-125), and those seeking more detailed 

 information are referred to the above-cited volume. 



I. — A. (?; GR.^NiLosrs, James, 1S72. 



V\i...().— Alveolites \.>'\ granulosus, larac^— a. \.yx>^ specimen reduced one-half; (T. 

 Holm, del. ; b. corallite.s enlarged : c. monticule original . 



Corallum massive, irregular in form, apparently built up of 

 successive layers, variable in thickness, i line to ]/z inch 

 thick, or more, with apparently solid interlaniinar spaces ; 

 corallites very thin walled, 3 or 4 in one line : groups of coral- 

 lites sometimes radiating from different points, growing 

 irregularly, at various angles, short or long, and curving in 

 different directions; surface covered with granules, often 

 with monticules from % \.o ^2 an inch apart, and elevated i or 

 2 lines ; calices apparently irregular, crescentric, oval or trian- 

 gular ; tabuke present. (Cat. Foss. Cin. Croup, 1872, p. 2.) 



I.otalitv. — Warren and Clinton Cnunties, Ohio. 



