274 — 



eosaster (Geodia) (pi. iv, fig. 7 et pi. ix, fig. 5) 



i3, 2i, 24, 67, 



epiphytum (Prosuberites) ri, 24, 



erecta (Artemisina) (pi. v, fig. 18 et pi. xv, 



fig. 10) 9, 22, 214, 



erecta (Axinellaj 145, 



erecta (Axinella vermiculata var.) 



eruca (Hymeraphia) 



eruca (Monocrepidium) 148, 



eruca (Rhabderemia) 



Esperella 14, 18, 1 55, 200, 



esperellin.e 9, 19, i98, 



esperioides (Hamacantha) 



Esperiopsis 14, 1 55, 211, 



euasterina .' 



euastrum (Erylus) 



EUPLECTEI.LA 



EUPLECTELLID* I 7, 



EURETE 



Eurete sp. (pi. xvm, fig. 6) 6, 12, 26, 



Euretids 



exilis (Leptosia) 



exostotica (? Callhropellaj 



falcifera (Hertwigia). 6, i3, 17, 23, 24, 

 falcifera (Syringella) (pi. xvn, fig. 1) 9, 11, 



fallax (Yvesia) 27, 



Farrea 



Farrea sp. (pi. vi, fig. 1 et 2).. 6, 12, 23, 

 fascifibula (Esperella) (pi. xvn, fig. 7) 16, 



fayalensis (Gelliodes) 14, 25, 



fertile (Spanioplon) 9, 27, 



fertilior (Lissodendoryx) (pi. xiv, fig. i3) 2 3, 



fibrosa (Cladocroce) 10, 12, 27, 



fibrosa (Halichondria) 10, i3, 25, 



fibulatus (Gellius) 25, 



Filholi (Metschnikowia) 10, 22, 25, 



Filholi (Reniera) 



fimbriata (Guitarra) 209, 210, 



fistulosa (Desmacidon) 



fistulosa (Reniera), 5, 10, io5, 



fistulosa (Rhi^ochalina) 



fistulosum (Phlœodictyon) (pi. m, fig. 6 et 



pi. xvn, fig. 12) 22, 25, 



fiagellifer (Gellius) . 10, 12, i3, i5, 16, 



23, 26, 201, 



flagelliformis (Syringella) 



noricomatus(Malacosaccus) (pi. 1, fig. 1, pi. ni, 



fig. 10 et pi. vu, fig. 3) 6, 23, 



flustra (Axinella) (pi. xvm, fig. 5).. 9, 24, 



foraminosa (Reniera) (pi. 1, fig. 12) 25, 



Forcepia 10, 14, 177, 



forceps (Forcepia) 



forcipis (Forcepia) 



forcipula (Leptolabis) (pi. xv, fig. 11) 9, 23, 



18S, 



Pages 

 8 

 70 

 126 



2l5 



146 

 14? 

 148 



152 

 152 

 202 

 225 

 219 

 21 5 



75 

 73 



38 

 33 

 45 

 48 

 42 

 184 



77 



40 



138 



196 



42 



44 



22 



201 



229 



171 



173 



242 



247 



231 



243 



2 4 3 



21 1 



235 



244 



235 



2,2, 



231 



i38 



33 

 139 

 245 



178 

 178 

 .78 



2 5 



i83 



Pages 

 fortis (Stryphnus) (pi. x, fig. 1) 8, 12, 14, 21 



83, 84 



friabilis (Petrosia) 25, 240 



Fristedti (Cladorhiza) 179 



Fristedti (Esperella) 1 79 



fruticosus (Desmacidon) 27, 203 



fugax (Terpios) 11, 27, 126 



Gelliin.e 18, 19, 228 



Gelliodes 229 



Gelliodes sp 12, 22, 230 



Gelliodin.e 18 



Gellius 18, 23i, 235 



geniculata (Hymeraphia) 1 58 



geniculata (Rhabderemia) 56, 1 52, 1 58 



geniculata (Tetilla): 99 



Geodia 67 



Geodiid.e 7, 14, 17, 66 



geodioides (Corticella) (pi. iv, fig. 14 et pi. x, 



fig- 12) 7> 8. «4, 21, 24, 77, 9 3 



Gerlachei (Eurete) 45 



gibbosiceps (Suberites) (pi. iv, fig. 11 et 



pi. vu, fig. 1 5) 11, 23, 125 



glabra (Topsentia) (pi. xm, fig. 1)... 9, 10, i5 



21, 23, 24, 131 



glariosa (Geodia) 67 



globostellifera (Geodia) 69 



globus (Isops) 67, 68 



glomerie (Esperiopsis) (pi. xvn, fig. 3).. 9, 16 



23, 213 



GOMPHOSTEGIA 202 



126 

 89 

 73 



gracilis (Rhizaxinella) 



gracilis (Sphinctrella) (pi. iv, fig. 2) 7, 24, 

 granularis (Erylus) (pi. ix, fig. S) 7, 27, 

 Grayi (Plieronema) (pi. vu, fig. 4).. 6, 



23, 24, 

 Grimaldii (Biemma) (pi. xvn, fig. 9) 10, 



88 

 72, 



"7> 

 26, 

 i5, 



25. 



/- 

 21 



29 



22 



227 



55 



Grimaldii (Hexactinella) 6, 27 



Grimaldii (Petromica) (pi. v, fig. 2-4 et pi. vin, 



fig. 6) 7> 21, 24, 64 



grœnlandica (Forcepia) 178 



grœnlandica (Trachyforcepia) (pi. xv, fig. 14) 10 



12, i3, 23, 181 



Grubei (Stelletta) 76 



Guernei (Rhabderemia).. 5, 9, 27, 152, 1 53 



Guernei (Yvesia) 14, 197 



Guitarra 209, 2 1 1 



Guiteli (Chondrocladia) (pi. m, fig. 14 et 



pi. xv, fig. 17) 4, 207 



Gurlitti (Trachycaulus) 17 



Hadromerina 8, 18, io5 



Halichondria 247 



Halichondrina 9, iS, 19, 137 



Halicnemia 14, 1 Sj, 145, 149, i5i 



Hamacantha 5, 10, 18, 21 5, 223, 224 



Hanseni (Yvesia) 27, 196 



