P'L^TE II. 



Pago, 

 Fig. 1. PtYCHOPII YLLUJI INFUNCIUULUM 23 



1. A longilndinal section, slio-wiiig the depth of the calice, with the unfundibuliform 



plates, and appart'Dces of a columella. 

 1 a. An upper view of another sijecimeu. 

 1 6. A side view of a third specimen. 



Fig. 2. C YATHOPUYLLUM Palmeri 33 



View of upper side, showing the young corallites at places growing iu the luiddleof the 

 calices of the old. 



Fig. 3. Favosites polymokpha ? ? ■. 27 



Fig. 4. DlPHVPHYLLUM FASCICHLUM 29 



4. A side view of a bundle of the corallites, imperfect at both ends, and showing them 



to coalesce at intervals. 

 4 a. A longitudinal section of one of same, enlarged, showingthe wide inner area occupied 

 by broad, slightly arching tabulae (without any traces of a columella), and the 

 very narrow, outer vesicular area. 



4 b. A transverse section of same, enlarged. 



Fig. 5. ACERVULAIilA PENTAGON A , 31 



5. View of upper side, showing corallites, natural size. 



5 a. A transverse section of a few of the corallites, enlarged. 



Fig. 6. Smithia Hennahii 32 



6. View of surface, showing corallitos, natural size. 



6 a. Transverse section of same, enlarged. 



Fig. 7. Alveolites multilamella ^ . . 25 



7. View of a flat, vertical, weathered section. 



7 a. A portion of same, polished and magnified, so as to show the numc rous, thin, crowded 



tabulae, and the mural pores; the latter being seen through thg transparent 

 calcareous matter filling the interior. 

 7 6. A transverse section of the same, showing the forms of the corallites, magnified. 



Fig. 8. Orthoceras Kingii 47 



Fig. 9. Orthoceras (undt. sp.) 48 



