CONTENTS— Continued 



Page 

 Systematics — Family Hapsiphyllidae — Continued 



Genus Clinophyllum Grove emend. 47 



Clinophylliim chouteauense (Miller) . . . . . . . .47 



Clinophyllum excavatum n. sp 47 



Appendix to Hapsiphyllidae 48 



Genus and species unidentified 48 



Genus Amplexus Sowerby ,. 48 



Amplexus rockfordensis Miller and Gurley . . . .48 



Family Caniniidae 49 



Genus Caninia Michelin in Gervais 49 



Caninia corniculum (Miller) emend, 49 



Family Clisiophyllidae 51 



Genus Koninckophyllum Thomson and Nicholson 51 



Koninckophyllum glahrum (Keyes) 51 



Genus V esiculophyllum n. gen 52 



V esiculophyllum sedaliense (White) 52 



Family Lithostrotiontidae 53 



Genus Lithostrotion Fleming 53 



Lithostrotion microstylujn White 53 



Family Favositidae 54 



Genus Favosites Lamarck emend. Smith and Gullick 54 



Favosites divergens White and Whitfield 54 



Favositesf mancus Winchell 54 



Genus Pleurodtctyum Goldfuss 55 



Pleurodictyum expansum (White) 55 



Appendix to Favositidae 55 



Genus Palaecis Haime in Milne-Edwards 55 



Palaeacis conica n. sp 56 



Family Cleistoporidae n. fam. 57 



Genus Cleistopora Nicholson emend 57 



Cleistopora procera (Rowley) 58 



Cleistopora ramosa (Rowley) 58 



Cleistopora typa (Winchell) emend 59 



Cleistopora sp 60 



Appendix to the Cleistoporidae .60 



Genus Microcyathus Hinde 60 



Microcyathus enormis (Meek and Worthen) 60 



Family Syringoporidae 61 



Genus Syringopora Goldfuss 61 



Syringopora harveyi White 61 



Family Auloporidae 61 



Genus Aulopora Goldfuss 61 



Aulopora? sp 62 



Genus Cladochonus McCoy . 62 



Cladochonus striatus n. sp .62 



Position unknown 62 



Coleophyllumf greeni Rowley . 62 



Plates and Explanations (3-17) S3 



