568 
PROTOZOA . 
Spongilla yarfitti^ p. 298, pi. Ixxsvi. figs. 5-14 (River Exe) ; sceytrifera^ 
p. 300, pi. Ixxxvi. figs. 16-17 (Exeter). 
Leuconia somesii, p. 334, pi. xci. figs. 16 & 17 (Brighton Aquarium). 
The 3 new genera are characterized as follows : — 
Normania [name proposed in 1866 by Brady for a genus of Crustacea 
= Loxoconcha^ Sars]. “ Skeleton composed at the external surface cf 
short fasciculi of siliceous spicules, in the interior of an irregular siliceo- 
spicular net- work ; dermis furnished with ternate connecting spicula ; 
ovaria membranous, aspiculousP” Type, N. crassa (allied to Pachy- 
matisma). 
Battersbyia. “ Skeleton a somewhat regular complication of spicu- 
lated tri-radiate and bi-angulated quadri-radiate siliceous spicula.^’ 
Type, Hymeniacidon bucklandi. (Sphinctrella horrida^ Schm., belongs 
to this genus). 
Rayhiodesma. “ Skeleton without fibre, composed of an irregular net- 
work of polyspiculous faggot-like bundles, the spicula of which are 
compactly cemented together at the middle, but are radiating at their 
terminations.’^ Type, Hymeniacidon lingua. 
Bowerbank further describes (4) a number of new species from the 
Eastern seas : Microciona tuber osa, p. 281 (Malacca Straits) ; Hymera- 
yhia spinularia, p. 282 (Corea) ; Rayhiodesma yarishi, p. 283, llalichon- 
dria elegan[tia'\s^ p. 286, and aspera, p. 287, frondi/era, p. 288 (also from 
Caspar Straits), rigida, p. 289, crassa, p. 290, compressa, p. 291, varia, 
p. 292, purpuracea, p. 293, Isodictya rudis, p. 293, virgata, p. 294, Des~ 
macidon folioides, p. 295, and venasta, p. 296 (all from the Straits of 
Malacca). 
Hyatt (12) describes the following keratose hollow fibred species 
(suborder A ply since) [the new are marked “ H.”]. 
Dendrospongia (g. n.) crassa, H., p. 3, pi. xiii. figs. 1, 2, & 7 (Nassau) 
(= Aplysina aerophoba, Schm., pt.). The Dendrospongiidce are charac- 
terized by “ the irregular anastomosis of the fibres of the skeleton, their 
rotund form, and the thickness of the horny walls.” 
Verongia {Luffaria) fistularis (Esp.) (= rigida, Esp.), p. 4, figs. 11, 19, 
& 20; V. hirsuta, H., p. 5 (Florida, Cuba) ; V. tenuissima, H. (Key West). 
Ajylysinidce. “ This family may be characterized by the regular net- 
like anastomosis of the fibres, the tendency of this to occur in the same 
plane, the fiatness of the fibres, and the thinness of their walls.” 
Aplysina {Evenor, D. M.) aurea, H., p. 6, figs. 5 & 6, prcetexta, H., 
p. 7, figs. 12-15, gigantea, H., figs. 8, 9, & 14 (Nassau) ; aerophoba, Nardo, 
Schm. p. 8, figs. 10 & 16 ; cellulosa, Esp., figs. 13, 17 & 18. 
Janthcllidoe. Janthdla concentrica, H., p. 9 (Fiji Islands) (^Antipathes 
flabelliformis, Dana P). 
Luffaria archeri, sp. n., Higgin (11) (Bay of Honduras). The genus 
Luffaria is also represented in the Mediterranean. 
Among the sponges enumerated by Schmidt (16), as collected during 
the cruise of the “ Pommerania ” (with the usual notes on localities, 
depth, nature of the bottom, &c.) the following are new [when no 
locality is given, tho now species all belong to the Norwegian fauna. 
South of Bukkefjord, Haugesund or Korsfjord] : — 
