Inocaulis lesquereuxi (Grote & Pitt) 

 Page 13 



1 Colonial stock showing mode of branching, rounded terminations 



of branches and, along edges, projecting thecal tubes, x y 2 . 



2 Colonial stock showing mode of branching, marginal rows of 



projecting thecal tubes and, at left, branch decomposed into 

 the component thecal tubes. Pohlman's type, x x / 2 . 



3 Colonial stock with rather erect, sparsely bifurcating branches, 



showing the punctate surface and fibrous structure of branches 

 at base, x y 2 . 



4 Extremity of branch of original of figure 1, x 6, to show the 



punctae of the middle portion of the branch and the marginal 



tubes. 

 Silurian : Bertie waterlime, Buffalo, N. Y. 

 The originals of figures 1, 2 and 4 are in the Museum of the 



I "32QQ I ^260 



Buffalo Society of Natural Science (nos.—— — - and— ); 



y v E1628 E1598 ' 



that of figure 3 is in the New York State Museum. 



156 



