277 — 



Pages 



pachastrelloides (Topsentia) 9, 21, 133 



pachydermata (Isops) (pi. vin, fig. 8) 8, i3, 21 



66, 71 



padina (Axinella) 1 3^ 



panicea (Halichondria) 1 5 



parenchyma (Cladocroce) 243 



pauperata (Asconema setubalense var.) 41 



paupertas (Hymeniacidon) 168 



paupertas (Hymeraphia) 168 



paupertas (Myxilla) i3, 16, 22, 25, 168 



Peachi (Hymeraphia).. i3, 22, 25, 166, 167 



Peachi (Myxilla) 166 



Peachii (?Esperia) 166 



Peachii (Hymedesmia) 166 



Pecqueryi (Leptosia), q, 10, 16, 17, 22, 25 



26, 187, 191 



Pecqueryi (Myxilla) 187 



pectinata (Dendoryx) 9, 10, 12, 17, 22, 23 



26, 172, 192 



pedunculata (Yvesia) 14, i'7 



pellita (Oxycordyla) (pi. v, fig. 12 et pi. xm, 



fig. i3) 9, 24,135 



peltatus (Desmacidon) (pi. nv, fig. n).. 2 5, 204 



Penares 82 



perfecta (Neopelta) 65 



Periphragella 5i 



permollis (Kaliapsis) 06 



pernucleata (Trachya) ." 1 34, 1 35 



pertusa (Yvesia) (pi. xv, fig. 20) 22, 25 



196 



Petromica 64 



Petrosia 240 



Pfeifferae (Azorica) (pi. vin, fig. 7 et pi. xvm, 



fig. 1 et 11) 7, i3, 26, 63 



Phakellia 1 37, 143 



Phelloderma 214 



Pheronema 29 



PhLŒODICTYINjE 18 



Phlœodictyon 10, 16, 18, 235, 237, 238 



Phlyct^nopora 198 



phoenix (Regadrella) (pi. iv, fig. 6 et pi. vi, 



fig. 3) 6, i3, 2r, 23, 26, 39 



phrissens (Stelletta) 76, 77 



Phycopsis 1 37 



PlLOCHROTA 79 



pilosella (Hymeraphia) (pi. 1, fig. 4 et pi. xiv, 



fig. 5) 10, 22, 23, 25, 26, 163, i65 



Pione io5 



placenta (Spongosorites) (pi. x, fig. 6 et pi. xn, 



% 2') 9> *7> "1 9°. 130 



placentula (Hymeniacidon) 89 



Placinastrella 102 



Placinid^e 102, io3 



plebeja (Chondrosia) 8, 104 



plena (Plocamia) i56 



plicatus (Dercitus) 77 



Pages 



Plocamia... 14, i5, 139, i5i, 1 54, 1 55, 1 56 



157, 1 58, 159 



Plocamia sp 156 



Plocamiopsis 14, i55, liy, x 58 



poculum (Hyalonema) 32 



podospongia 117 



Pœcillastra 89 



Pœcilosclerid.e 9, 11, 18, 19, i5l, 1 85 



polym astia i 1 9 



Polymastid^e 8, 10, 18, 119 



polymorpha lEsperiopsie) 9, 22, 25, 190, 213 

 polysigma (Myxilla mariana, var.) (pi. xiv, 



fig. 10) 5, 22,169 



ponderosus (Stryphnus) 84 



PORIFERA 29 



porosus (Gellius) 232 



POZZIELLA 223 



prœdita (Esperiopsis) 9, 17, 27,212 



prima (Syringella) 1 38 



problematica (Orthorachis) io3 



procera (Stelodoryx) (pi. m, fig. 5; pi. xvi, 



fig. 17 et pi. xvm, fig. 2) . 9, 16, 22, 25, 26 



174, 211 



profunda (Axinella) i39 



profunda (Syringella) 1 38 



Pronax io5 



Prosuberites 126 



Pruvoti (Cliona) 107 



Ptilocaulis i37 



pulchella (Dotona) (pi. xn, fig. 2)... 9, i3, 24 



107, 108 



pulchella (Esperiopsis) 16, 214 



pumex (Stelletta) 76 



pupa (Lanuginella) 6 



purpurea (Dyscliona) 107 



fusilla (Microciona) 1 5z 



putridosa (Rhijochalina) 235, 239 



putridosum (Phlœodictyon) 237, 23g 



pyrifera (Rhizaxinella) 122 



Pytheas 17 1 



Racodiscula 58 



radiata (Hymedesmia) i85 



radiata (Hymeraphia) i85 



radiatum (Phelloderma) 16, 189, 214 



ramifera (Discodermia) (pi. vui, fig. 4) . . 7, 24 



57 

 ramosa (Macandrewia) (pi. m, fig. i3; pi. vin, 



fig. 3) 7. 2 3, 62 



ramosum (Siphonidium) (pi. iv, fig. 9; pi. vin, 



fig. 5) 7. l3 > 21, 2 6, 63 



ramosus (Aphrocallistes) 48, 49 



Raspailia i38 



Regadrella 39 



Reniera 18, 243, 244, 246 



Reniera sp 2 5, 246 



Renierin* 18, 19, 235 



36 



