444 



Report of the State Geologist. 



Oncosella, Rauff, I, 800. 

 Paehytrk-hisiiia, I, 880. 

 I'herouenia, Leidy, I, 757. 

 rhorniosella, Einde, I, 703, 787, 790. 

 rhraginodictya, Hall, I. 757, 7G8, 772, 775, 786, 



811, 865, 876; II, 356, 364, 369, 372, 418, 424, 



426, 428, 430, 432. 

 Phragmodictya?, II, 347. 

 Phragmodictya, II, 352, 369, 373. 

 Phragmodictyum, Hall, I, 785. 

 Physospongia, Hall, I, 759, 765, 767, 770, 771, 772, 



775, 786, 808, 879; II, 364, 307, 370, 379, 380, 



381, 387, 388, 389, 408, 419, 420, 422. 

 Physospougiinse, E. and C, I, 793, 796. 

 Plectoderma, Einde, I, 763, 787, 790. 

 Plectodermatidse, nom. propos., I, 776. 

 Plectospongidae, Einde, I, 763, 765, 776, 790, 791. 

 Polylophus, Schulze, I, 757. 



Prismodictya, E. and C, I, 759, 775, 776, 803, 809, 

 819, 832, 850, 854, 924, 926, 928, 930, 932, 944, 

 945, 956, 958, 960, 962, 972, 974; II, 360, 406. 



rrotospongia, Salter, I, 753, 763, 785, 787, 788. 



Protospongidse, I, 762, 763, 776, 787, 790, 791. 



Rhabdosispongia, E. and C, I, 775, 856, 889, 922, 

 984. 



Rhombodictyou, Whitfield, I, 786. 

 Roenierispongia, E. and C, I, 759, 786, 807, 808; 



II, 381. 

 Rossellidae, Schulze, I, 790. 

 Silicea, Gray, I, 700, 794, 884. 

 Sphserodictya, E. and C, I, 760, 892. 

 Staurodermidoe, I, 762, 785. 

 Stellispougia, I, 785. 

 Teganium, Rauff, I, 764, 790, 893. 

 Tetractinellida, I, 761. 

 Tet rayon is, McCoy, I, 783, 785, 788, 812. 

 Thamnodictya, Eali, I, 775, 786; II, 352, 353, 



354, 396, 400, 402. 

 Thysanodictya, E. and C, I, 757, 759, 768, 776, 



803, 811, 861, 865, 866, 876, 929, 936, 938, 940, 



942, 945, 966, 968, 970, 975; II, 346, 349, 356, 



364, 365, 369. 

 Thysanodictyinae, E. and C, I, 792, 796. 

 Tylodictya, E. and C, I, 835, 854; II, 343, 345, 



402. 



Uphantwnia, Yanuxem, I, 743, 700, 783, 877; II, 

 379. 



Yentriculitidse, I, 886. 

 Verticillites, I, 785. 

 Walteria, Schulze, I, 883. 



