monaxonida, monoceratinA. Spong. 19 
1 Leptotia , n. g., with L. exilis , n. sp. ; Topsent, Arch. Zool. exp. (2) x, 
p. xxii, Banyuls and Porquerolles. 
^ Lissomyxilla, n. g., for Tethea spinosa , Bow. ; Hanitsch, P. Liverp. biol. 
Soc. viii, p. 194. 
Myxilla banyulensis, arcitenens , Banyuls, Topsent, Arch. Zool. exp. (2) 
x, pp. xxiii & xxiv ; M. versicolor , Banyuls, France, Topsent, op. 
cit. (3) i (1893), p. xli ; M. fibrosa, Levinsen, Vid. Udb. Kanon- 
baaden 1 Hauchs ’ Togter, v, p. 421, pi. i, figg. 35 & 36, Kattegat, 
10 faths. : n. spp. 
Placospongia, referred by Lendenfeld (Biol. Centralbl. xiv, p. 115) to 
the Monaxonida. See also p. 8 of this Report. 
^ Pocillon , n. g., for M.icrociona spinulenta , B., and Isodictya implicita , B.; 
Topsent, Arch. Zool. exp. (3) i (1893), p. xxxiv. 
Polysiphonia vnucronalis , n. sp., Levinsen, Vid. Udb. Kanonbaaden 
* Hauchs ’ Togter, v, p. 417, pi. i, fig. 29, Kattegat and Oresund. 
\ Prosuberites , n. g., with P. longispina and P. rugosus, n. spp., Banyuls, 
France ; Topsent, Arch. Zool. exp. (3) i (1893), p. xlii. * 
Reniera lenis , citrina, latens, Banyuls, plana , Villefranche, Porquerolles, 
Banyuls, Topsent, Arch. Zool. exp. (2) x, p. xix; R. parietalis, 
fiavescens, fulva, Banyuls, France, Tofsent, Arch. Zool. exp. (3) i 
(1893), p. xxxix ; R. ramusculoides, depressa, Topsent, Bull. Soc. 
zool. France, xviii, p. 181, Gulf of Tadjoura (Aden) : n. spp. 
Rhabderemia toxigera, n. sp., Topsent, Arch. Zool. exp. (2) x, p. xxv, 
Banyuls. 
Rhaphidophlus jolicoeuri, n. sp., Topsent, Arch. Zool. exp. (2) x, p. xxv, 
Banyuls. 
\ Rhaphisia , n. g., with R. laxa , n. sp. ; ,Topsent, Arch. Zool. exp. (2) x, 
p. xx, Banyuls. 
Stylinos brevicuspis , n. sp., Topsent, Arch. Zool. exp. (2) x, p. xx, 
Banyuls and Bandol. 8. brevicuspis said to be Tetranthella fruticosa , 
Topsent, Rev. biol. Nord France, vi, p. 313. 
Stylostichon fibulatus, Banyuls, France, Topsent, Arch. Zool. exp. (3) i 
(1893), p. xlii, n. sp. 
Stylotella marsillii , Banyuls, France, Topsent, Arch. Zool. exp. (3) i 
(1893), p. xli, n. sp. 
Suberites spissus , n. sp., Topsent, Arch. Zool. exp. (2) x, p. xxvii, 
Banyuls. 
Yvesia rosea , n. sp., Topsent, Arch. Zool. exp. (2) x, p. xxiii, Banyuls. 
4n. MONOCERATINA. 
Hircinia condensa, p. 41, pi. 1, figg. 1 & 2, stipitata , p. 41, pi. i, figg. 3 & 4, 
digitata , p. 42, pi. i, fig. 5, chevreuxi , p. 42, pi. i, figg. 6 & 7, truncata f 
p. 42, pi. i, figg. 8 & 9, Gulf of Gabes, Tunis, Topsent, Mem. Soc. 
zool. France, vii (1894), n. spp. 
