714 A. F. FOERSTE 



varieties are established : prototypum, aryballium, balantium, lecythiuni, 



promiscua, poteriujn, cantharium, cylix which is the typical form, patera \ 



14^, 15, 19a:, 28a, 103, ii^eA. 

 Astylomanon pluriexcavatum ; Decatur county. 

 Astylomanon verrucosum ; figured by Roemer as Astylospongia praemorsa on 



Plate I, Figs. \b, \c\ \\a, 15, 16, ig^z, 46, 103, Gant bed 46, i \eA, 39, 39a. 

 Astylomanon verrucosum bulbifera ; Decatur county. 

 Carpomano7i glaitdulosum ; Decatur county. 

 Caryomanon roemeri; western Tennessee. 



Caryomano7i inciso-lobatum; 14a, 16, 46, 47, Gant bed 46, i\eA, ii,eC. 

 Caryojnanon stellatiin-sulcatum \ 14a, 15, 16, 19a, 22, 46, 49, I4<J, 103, Gant 



bed 46, I4^y4, 14,?^, 38, \^b. 

 Caryomanon stellatim-sulcatum distorta ; Decatur county. 

 Chiastoclonella headi; Decatur county. 

 Dendroclonella rugosa ; Perry county. 

 Hindia sphaeroidalis {Calamopora fibrosa of Roemer); 14a, 15, 16, 27, 103, 



ii,eA, 38. 

 Pycnopegma pileiun ; Decatur county. 

 Pycnopegnia callosum ; Decatur county. 

 Pycnopegma stromatoporoides ; Decatur county. 

 Astylospo7igia imbricato-articulata\ \ii,a, 15, 16, 46, \\eA. 



LINDEN (HELDERBERGIAN) FOSSILS. 



Favosites conicus \ 10a, 10b, 21. 



Favosites, with convex base covered by the epitheca ; ga, laa, lob, 21. 



Pleurodictyum lenticttlare; \Qa, \ob, 21. 



Striatopora issa; 21. 



Brachiocrinus ; 2 1 . 



Camarocrinus saffordi; ga, \oa, 104. 



Bilobites varica ; 9a. 



Dalmanites subcarinata, with coarse striae; gia:, 10^, 21. 



Dalmanites subcarinata, with fine striae; 9a, 21. 



Hebertella ; 21. 



Rhipidomella emarginata; 21. 



Rhipidomella oblata\ ga, loa, lob, 21. 



Orthothetes woolworthanus; 10a, lo^^, 21, 22. 



Leptaena rhomboidalis ; ga, i oa, 2 1 . 



Stropheodonta beckei ; i oa, 1 0(5, 2 1 . 



Strophonella punctulifera ; ga, loa, 21, 104. 



C/tonostrop/im, related to Helderbergia, but wider in proportion to length ;: 



23™™ wide, 11""" long; \oa. 

 Gypidula, without fold or sinus, plications narrow (as in Figs. 9-12, Plate 28, 



The Paleozoic Fauna, New Jersey Survey, 1903), but more obsolete: 



towards beak and sides ; 21, 104. 



