224 



STEATIGEAPHICAL LIST OF SPECIES. 



DEVONIAN SYSTEM. 



Order Monactinellid^e. 

 Lasiocladia compressa, Hinde. 



Order Hexactinellid^. 

 Dietyophyton tuberosum, Conrad, sp. 



Order Monactinellid^ 



*Reniera ? Carteri, Hinde. 

 *Haplistion fractum, Hinde. 



CARBONIFEROUS SYSTEM. 



Order HexactinellidjE. 



*Hyalostelia Smitliii, Yotmg ^ Young, sp. 



Order Tetractinelhd^. 



*Geodia? antiqua, Hinde. 

 *Pacliastrella vetusta, Hinde. 



Order LithistidjE. 

 *Doryderma Dalryense, Hinde. 



*Hyalostelia parallela, M'Coy, sp. 

 *Holasterella conferta. Carter. 

 *Holasterella Youngi, Hinde. 

 *IIolasterella Wriglitii, Carter. 

 *Holasterella Beuuiei, Hinde. 



Incert^ sedis. 

 Mortiera vertebralis, de Koninck. 



MESOZOIC. 



TRIASSIC SYSTEM. 



Order CALCispoNGi.f:. 



Eudea Manon, Miinsf. sp. 

 Eudea polymorpha, Klipst. sp. 

 Colospongia dubia, Milnst. sp. 

 Enoplocoelia armata, Klipst. sp. 

 Celypbia submargiuata, Miinst. sp. 

 Himatella milleporata, Milnst. sp. 

 Peronella subesespitosa, Miinst. sp. 



Corynella gracilis, Miinst. sp. 

 Corynella pyriformis, Klipst. sp. 

 Corynella rosa, Laube, sj). 

 Corynella astroites, Miinst. sp. 

 Corynella capitata, Miinst. sp. 

 Myrmecium liieroglyplia, Klipst. sp. 

 Stellispongia rotularis, Miinst. sp. 

 Stellispongia variabilis, Miinst. sp. 

 Stellispongia hybrida, Miinst. sp. 



JURASSIC SYSTEM. 



Order Monactinellid*. 

 *Spongilla Purbeckensis, Young. 



Order Lithistid^. 



Cnemidiastrum stellatura, Goldf. sp. 

 Cnemidiastrum striato-punctatum, Goldf. sp. 

 Cnemidiastrum corallinum, Quenst. sp. 

 Cnemidiastrum Hoheneggeri, Zitt. 

 Cnemidiastrum rimulosum, Goldf. sp. 



Cnemidiastrum pluristellatum, Zitt. 

 Corallidium diceratiuum, Quenst. sp. 

 Hyalotragos patella, Goldf. sp. 

 Hyalotragos radiatum, Goldf. sp. 

 Hyalotragos reticulatum, Miinst. sp. 

 Hyalotragos rugosum, Miinst. sp. 

 Hyalotragos pezizoides, Goldf. sp. 

 Pyrgochonia acetabulum, Goldf. sp. 

 Leiodorella expansa, Zitt. ■ 



