HALICHONDRINA. 
Spong. 15 
Pro8uherit<!8 cpiphytoides , n. sp., Juan Fernandez : Thiele (36) p. 420. 
Protosuberites, n. g. for P. prototipus , n. Sp., Black Sea: SvarchEvskiI 
(35) pp. 36, 37, & 52, pi. vi, fig. 5. 
Spirastrella 0. S., defined: Dendy (8) p. 122; Dragnewitsch (9) p. 13. — 
S. lacunosa Kieschnick, described : Dragnewitsch (9) pp. 13, 14. — 
S. tentorioides , n. sp., Ceylon seas, pp. 125, 126, pi. v, fig. 7 ; S. vaga- 
bunda Ridley, described, with four varieties, var. trincomaliensis R., 
var. tubulodigitata , n. var., var . fungoides, n. var., and var. gallensis , 
n. var., pp. 122-125 : Dendy (8). 
Spirastrellidce , defined : Dendy (8) p. 119. 
Stellettinopsis Carter, a synonym of Coppatias Sollas : Dendy (8) p. 107. 
Streptasteridce Topsent, to be merged in Epipolasidce Sollas : Dendy (8) 
p. 107. 
Suberites Nardo, defined, to include Axosubcrites Tops, and Laxosuberites 
Tops. : Dendy (8) pp. 130, 131 : characters of the genus: Thiele (36) 
pp. 415, 416. — S. cruciatus, n. sp. from outside Periya Paar, 24 fathoms: 
Dendy (8) p. 131, pi. v, fig. 10. — S. ( Pseudosuberites ) digitatus, n. sp., 
Admiralty Sound : Thiele (36) pp. 41 7* 418, figg. 26, 40 a , b. — S. do- 
muncula O.S., described : SvarchkvskiI (35) pp. 35, 36, pi. ii, fig. 5, 
pi. iv, fig. 11, pi. vi, fig. 4. — S. puncturatus , n. sp., Coquimbo, pp. 419, 
420, fig. 42 a-e ; S. ruber , n. sp., Admiralty Sound, pp. 418, 419, 
figg. 31, 41 a-d ; S. ( Pseudosuberites ) sulcatus , n. sp., Cape Espiritu- 
Santo, East Tierra del Fuego, p. 417, figg. 27, 39 a-e : Thiele (36). 
Suberitidce , defined, referred to Astromonaxonellida : Dendy (8) p. 130. 
Tethya Lam., defined : Dendy (8) p. 112. — T. lyncurium L., described with 
three varieties from Ceylon : Dendy (8) pp. 112-114; structure of the 
spicules : Vosmaer & Wijsman (41). (See also Donatia , supra.) 
Tethyidce , defined : Dendy (8) p. 112. [See also ii, A.] 
+ Vioa sp. : ZahAlka (48) pp. 22, 159. 
Vosmaeria reticulosa , n. sp., Iquique : Thiele (36) pp. 423, 424, fig. 45 a-c. 
Xenospongia Gray, defined and referred to Tethyidce , p. 115; X. patelli- 
formis Gray, described, pp. 116-119, pi. vi : Dendy (8). 
Vvesia alecto Topsent, position discussed : Dendy (8) p. 134. 
(b) Order HALICHONDRINA. 
Sigmatomonaxonellida, defined as a suborder, and divided into three 
families, Haploscleridce , Desmaddonidce , and Axinellidce , the affinities 
of the group discussed : Dendy (8) pp. 133-135. [See also ii, a.] 
Acanthella 0. S., defined, p. 193; A. carteri Dendy, described, p. 193, 
pi. viii, fig. 6 ; A. flabelliformis Keller, described, pp. 193, 194 : 
Dendy (8). 
Acanthoxifer , n. g., allied to Heteroxya Topsent, for A.-ceylonensis, n. sp., 
Gulf of Manaar, deep water: Dendy (8) pp. 156-158, pi. ix, fig. 5. 
Acarnus Gray, defined, p. 177 ; A. ternatus Ridley, described, p. 177, pi. viii, 
fig. 4 : Dendy (8). 
Acervochalina variabilu , n. sp., Juan Fernandez and Punta Arenas : 
Thiele (36) pp. 477-479, figg. 17, 33, 96. 
Agelas Duch. et. Mich., defined, p. 174 ; A. ceylonica, n. Sp., Ceylon seas, 
pp. 174, 175, pi. xii, fig. 9 ; A. mauritiana (Carter), described, p. 174: 
Dendy (8). 
Amphiastrella , see under Phlceodictyince. 
Artemisina Vosmaer, diagnosis, p. 110, and characters of species, pp. 116, 
117 ; A. apollinis (R. & D.), diagnosis and description, pp. 114-116, 
pi. xiii, fig. 4 a-g ; A. arcigera (0. S.), diagnosis and description, 
