138 







MM 



.X5- 



Fig. 22. ilonotrypa amplectens. (a) Shell of Sj^info' (jraynilosHs with .4MZopo»-a 

 tubceforinis attached to it, the whole overgrown with MunotrjipK anqilectens, the calices 

 of the Aulopora appear like craters above the surface of the 31iinotr.v])a colony — natural 

 size ; (6) a portion of the surface enlarged, showing the larger coiaUites of the monticules, 

 X 8 ; (c) a portion much enlarged, showing a buried liranch of the Aulopora ; (d) a calyx of 

 Aulopora enlarged, showing the relation of the Moiii>trypa to it, x 8 ; (e, /) sections show- 

 ing specimens enclosing a branch of Ceratopora, also showing tabulae, x .5. (Original.) 



