LIST OP PUBLICATIONS. 
Spong. 7 
Stewart, William. Exhibit of specimen of Euspongia officinalis var. ? 
from Florida. P. N. H. Soc. Glasg. ii (n.s.), pt. ii, 1890, p. 1. 
Tofsent, E. (1) Notice preliminaire surles Spongiaires recueillis durant 
les campagnes de l’Hirondelle. l er Article. Bull. Soc. Z. Fr. xv, 
No. 2 (Feb., 1890), pp. 26-32. 
In the three voyages, 163 species of Sponges were collected, of which 54 
were new to science. In the expedition to the Azores, 118 Sponges were 
collected, of which 37 were new. The following are the Sponges found, 
which deserve special mention 
Hexactinellida . — Asconema setubalense , S. K., coasts of Asturias, 300 
metres ; and not far from Terre Neuve, 1267 metres. Farrea occa , Crtr., 
and Aphrocallistes ramosus , Schulze, near Azores, 927 metres. At the 
Azores in 1888 were taken 12 species, among which were Rhabdodictya 
delicatum , 0. S., and Hertwigia falcifera , O. S., besides 3 new species. 
Tetractinellida . — Stryphnus ponderosus, Bwk., Stelletta collingsii, 
Bwk., and Cydonium glariosium, Soil., from coasts of Asturias. Also 
Dragmastra normanni , Soli., Sphinctrella ornata, Soli., S. horrida, 0. S., 
Calthropella simplex , Soil., Erylus transiens , Crtr., Isops globa, 0. S., 
I. pachydermata , Soli., Stryphnus fortis , Vosm., Pcecillaster crassiusculus , 
Soli. ; new species of Thenea and Craniella , and Pachastrella abyssi, O. S. 
Lithistida . — Macandrewia azorica , Crtr., 454 metres ; Azorica pfeif- 
ferce , Crtr., 454 metres ; Racodiscula clava, 0. S., 736 metres ; Siphonidium 
ramosum, 736 metres : all from Azores. 
Gummine^g . — 'Chondrilla nucula, O. S., Chondrosia plebeia, O.S., Azores, 
736 metres. 
Monaxonidje. — 106 species, 45 new. Interesting forms are — Esperella 
placoides , Crtr., near Terre Neuve, 1267 metres, = E. murrayi , R. & D., 
Axinella egregia y Ridl., from N. coast of Spain, 134 metres. Numerous 
specimens of Tentorium semisuberites , 0. S., Esperella lingua , Bwk., Melon - 
anchora elliptica, Crtr., Axinella erecta , Crtr., Trichostemma sarsii, R. & D., 
Suberites caminatus, R. & D. From the Azores — Rhizochalina jistulosa , 
Bwk., Desmacidon tunicata , 0. S., Suberotelites mercator , O. S., Latrunculia 
cratera, Boc., Plocamia coriacea var. elegans , R. & D., Hymeraphia viridis , 
Tops., &c. 
The new genera and species of Monaxonida are then described [ vide 
infra, Systematic]. 
— (2) Notice preliminaire sur les Spongiaires recueillis durant les 
campagnes de l’Hirondelle (2ie in€l Article). Bull. Soc. Z. Fr. xv, 
No. 2 (Feb., 1890), pp. 65-71. 
Continues the description of new Sponges, Monaxonida, Tetractinellida , 
and Hexactinellida [ vide infra, Systematic]. 
. (3) Eponges de la Manche. Mem. Soc. Zool. iii, pts< 2 & 3, 1890, 
pp. 195-205. 
9 species to be added to his former lists : Tethyspira spinosa , n. g. 
( Tethea spinosa , Bwk.), Axinella ( Isodictya ) dissimilis , Bwk., Reniera 
1890. [vol. xxvii.] G 6 
