— i6i 



Pages 



Isops globus (Schmidt) Sollas (pi. v, fig. q a -o f ) 14 



19 48 



— pachydermata Sollas 14, 19, 49, 107 



Jotrochota Ridley 64 



Joyeuxia nov. gen 63, 64, 93 



— viridis nov. sp. (pi. ri, fig. 8 et 



pi. x, fig. 19) 16, 20, 63, 64, 94 



107 



Kaliapsis Bowerbank 49 



Latrunculia Barboza du Bocage.... 5y, 58, 65 



127, 128 



— acerata Ridley et Dendy 127 



— apicalis Ridley et Dendy 128 



— toiannulata nov. sp. 20, 127, 128 



— Bocagei Ridley et Dendy 128 



— brevis Ridley et Dendy 128 



— corticata Carter 127 



— cratera Barbota du Bocage 127 



— insignis nov. sp. (pi. xin, fig. 11) 5 



16, 20, 92, 128 



— purpurea Carter 127 



— triloba Schmidt 128 



Lefroyella Wyville-Thomson 3 1 



— décora Wyville- Thomson 3 1 



Leuconia aspera (Schmidt) Vosmaer.. 12, 19, 23 



— pumila Bowerbank 12, 17, 18, 19, 23 



Leuconid-e Poléjaeff 23 



Leucosolenia blanca (Miklucho-Maclay) Poléjaeflf; 

 var. bathybia Poléjaeff (pi. v, 



fig- 3) 12, 19, 22 



— contorta Bowerbank.... 12, 19, 22 



— coriacea (Montagu) Bowerbank 8 



12, 18, 19, 21 



— Gegenbauri Haeckel.... 12, 19, 22 



23 



Lissodendoryx nov. s. -gen 63, 96, 97, 102 



io5, 108, 1 36 



— hastata Ridley et Dendy sp... 63 



— leptoderma Topsent sp... 63, 97 



— mollis Ridley et Dendy sp. ... 63 



LITHISTIDA Schmidt 6, 7, 14, 49 



LYSSACINA Zittel 24 



Macandrewia a^orica Gray i5, 18, 19, 51 



Melittionid.e Zittel 32 



Melonanchora Carter 64 



— elliptica Carter... 5, 18, 20, 101 



102 



Meniscophora Sollas 56, 



Menyllus Gray 



Microciona Bowerbank 62, 63, 64, 



112, u3, 

 Microciona curvispiculifera Carier 



— intexta Carter 



— pusilla Carter 



— spinarcus Carter 17, 



— spinulenta Bowerbank 



Microsclerophora Sollas .. . 6, 7, 53, 



MONAXONIDA Ridley et Dendy 7, i5, 



19, 53, 56, 57, 60, 



54, 



i/» 

 61, 

 63, 

 97> 



112, 



Myxilla Schmidt 61, 62, 63, 64, 96. 

 io5, 108, 109, m, 



— frondosa Ridley et Dendy 



— hastata Ridley et Dendy 



— irregularis Bowerbank sp 



— mollis Ridley et Dendy 



— Peachi Bowerbank sp 5, 17, 



— Pecqueryi nov. sp. (pi. xi, fig. 8) 5, 



16, 20, 



— ? plumosa Montagu sp.; var. frondi- 



fera Ridley et Dendy 



— radiata Bowerbank sp 17, 20, 



— ? rubiginosa Schmidt 



— spongiosa Ridley et Dendy 



Myxospongida nov. s.-ord 53, 



Pages 



57 

 96 



97 



114 



n5 



116 



116 



113 



97 



57 



18 



62 



66 



100 



117 



1 1 1 



97 



5 



97 

 109 



i5 

 110 



1 1 1 

 109 



io3 



97 

 54 



Neosipkonia Sollas 49 



Oceanapia robusta (Bowerbank) Norman 80 



Oligosilicina Vosmaer 7, 53, 54 



Oscarella Vosmaer 53 



— lobularis (Schmidt) Vosmaer 8 



Osculina Schmidt 5g, 60, 65 



Pachastrella Schmidt 42 



— abyssi Schmidt.. 14, 17, 19, 41 



— debilis nov. sp. (pi. m, fig. 8 



et pi. vin, fig. 8) 14, 19, 42, 43 



Pachastrellid.e Carter 41 



Pachymatisma Johnstonia Bowerbank 8 



Papillina arcuata Topsent 57 



Periphragella Marshall 6, 3i, 33 



— Elisce Marshall 3 1 



— lusitanica nov. sp. (pi. vi, fig. 4 



et pi. vu, fig. 2) .. i3, 19, 31 



Petrosia Vosmaer 68 



— clavata ? (Balsamo-Crivelli) Vosmaer 



(pi. m, fig. 11 et pi. ix, fig. 2) 19, 67, 68 



21 



