GkoUXUCAI, DiHTHIItlTrON, 61 



Table Showing the Geological DiHtrihutioii of the Dictvosponoid.e (Cont'd). 



41 



42 



43 

 44 

 45 

 40 



47 

 48 

 49 

 50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 



59 

 CO 

 61 

 G2 

 G3 

 G4 

 65 



66 

 67 



68 

 69 



70 

 71 

 72 



73 



74 

 75 

 76 

 77 

 78 

 79 

 80 

 81 

 82 

 83 

 84 



85 

 86 

 87 



H. tuberosuu), Conrad 



H. tuberosuui, var. glossetiia, 



var. iiov 



II. Bathense, sp. nov 



II. botrcedeina, sp. iiov 



11. Avoca, sp. nov 



H. phymatodes, ep. nov 



II. hypastmm, sp. nov 



11. eutheles, sp. nov 



II. multinodosuiii, sp. nov... 



H. Lutheri, sp. nuv 



II. rhopaluin, sp. nov 



II. variabile, sp. nov 



11. nodosum, llall (sp.) 



II. antbi-acis, sp. nov 



II. eameces, sp. nov 



H. Barroisi, noni. nov 



II. Jeumontense, sp. nov 



Botryodictya raniosa, Lesque- 



reux (sp.) 



B. (or Tylodictya) sp. nov 



Tylodictya Warrenensis, sp. nov 



TJ tenuis, Hall (sp.) 



Ilelicodictyatrypania, sp. nov. - 



II.? Concordia, sp. nov 



II.? Scio, sp. nov 



Rhabdosispongia Amaltliea, Hall 



^(«P-) 



K. Condroziana, sp. nov 



Ceratodictya Carpenteriana, sp 



nov 



C. cincta, Hall (sp.) 



C. zonata, sp. nov 



C. annulata. Hall (sp.) 



C. centeta, sp. nov 



Clatbrospongia (?) Ilamiltonensis, 



Hall (sp.) 



C. fenestrata, Hall 



C. vascellum, Hall 



C ? tomaculum, Hall 



C. irregularis, Hall 



C? desmia, sp. nov 



C. abacus. Hall 



C. caprodonta, sp. nov 



Lebedictya crinita, sp. nov 



Lyrodictya Romingeri, Hall .... 

 L ? Burlingtonensis, Hall (sp.). . . 

 Mastodictya osculata, sp. nov. . . 

 Thysauod'ictya Edwin-llalli, Hal! 



T. poecilus, sp. nov  . 



T. riidis. Hall (sp) 



T. Eandalli, Hall (sp.) 



• From the Psammltes du Condroi, France. 



7 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 



X 



X 

 X 

 X 

 X 



X 

 X 



10 



X 

 X 



