14 Spong. 
xvir. SPONGLE. 
Lithistida [cf. Titles 29, 42]. 
Oppliger, Abh. Schweiz, pal. Ges. xxiv, describes the following new 
species : 
t Plutychonia wittingensis , p. 46, turaida , p. 46, conchiformis, p. 47; 
f Lecanella complanata , p. 49 ; 
besides other fossils to which he gives no names. He describes also a new 
fossil genus, which however he does not name. 
Zeise, Paldeontogr. ii (Suppl.), describes the new species: 
\Siphonia strambergensis, p. 305 ; 
Merea tithonica , p. 306 ; and 
several other new fossil genera and species, which however he does not 
name. 
MONAXONIDA. 
Clavulina [cf. Titles 5, 20, 21, 22, 36, 41]. 
Dendy, P. Soc. Victoria, ix, describes the following new species : 
Suberites spirastrelloides , p. 247, difiicilis, p. 248 ; 
Spirastrella fibrosa , p. 254, areolata , p. 255 ; 
Pronax carteri , , p. 257. 
Lindgren, Zool. Anz. xx, describes the new species : 
Dorypleres biangulata , p. 483 ; 
Spirastrella aurivillii , p. 484, semilunaris , p. 484; 
Latrunculia lewis, p. 484. 
Spirastrella carnosa , Topsent, Rev. Suisse Zool. iv, p. 441, n. sp. 
Lendenfeld, Abh. Senckenb, Ges. describes the new species : 
Tethya globostellata , p. 104 ; 
Chondrilla nuda , p. 105 ; 
Vioa jlorida, p. 108. 
Topsent, Mem. Soc. zool. France, x, redescribes : 
Halicnemia patera , p. 235, verticillata , p. 243, constellata , p. 245. 
Lendenfeld, Acta Ac. German, lxix, establishes the new genera : 
Suberanthus , n. g., p. 144 ; 
Astromimus , n. g., p. 148; and 
describes the following new species : 
Asteropus incrustans , p. 31 ; 
Stelligera nux , p. 46 ; 
Placospongia grcejf'ei , p. 48 ; 
Vioa topsentii, p. 78, ramosa , p. 81 ; 
Suberites gracilis , p. 130; 
Astromimus luteus, p. 148 ; 
and redescribes: 
Tethya lyncurium, p. 15 ; 
Xenospongia johnstoni, p. 30; 
Chondrilla nueula , p. 34 ; 
Chondi'osia reniformis , p. 38 ; 
Stelligera stuposa , p. 43 ; 
Placospongia melobesioides , p. 53 ; 
