NEW SPECIES. 
Spong . 27 
Micromasticora. 
I . — M YXOSPONGMS. 
For new species, refer to Carter (1, 2), Distribution, S.E. Australia. 
II.— HEX A CTINELLIDA . 
For new species in this group, refer to Schulze (34), under Classi- 
fication. 
III.— DEMOSPONGIHS. 
A. — Monaxonida. 
For new species, refer to Ridley & Dendy (33), under Classification ; 
Carter (1, 2), under S.E. Australia, Distribution. In addition, Maren- 
zeller (23) describes Cribrochalina ambigua, Suberites crelloides ; and 
Potts (30) Spongilla norce-terrce. Noll (25) describes as a new species, 
Spongilla glomerata, from the island of Riigen, in the Herthasee ; of 
this, Yejdovsky (38) remarks that it is identical with Spongilla fragilis , 
Leidy. 
Yejdovsky (39) : Spongilla fragilis , Leidy, = S. lordii , Bwk. ; 
Spongilla contecta, No. 11, = S. siberica , Dyb., = S. glomerata, Noll. 
Lendenfeld (20), Dactyochalina australis ; (19), D. cylindrica, D. 
reticulata , D. australis , Raphyrus hixonii. 
B. — Cisratosa. 
For now spocies of this group, see Carter (1, 2), under Distribution, 
S.E. Australia. Lendenfeld (19, 21) describes Chalinopsis dicliotoma , 
Halme laxa var. digitata , H. gigantea , and vars. micropora , intermedia , 
macropora , H. tingens, Dendrilla cavernosa. 
c. — T etractinellida. 
For new species, see Sollas (36), under Distribution. Marenzeller 
(23) also describes Tetilla geniculata, n. sp. ; and Lampe (8) T.japonica. 
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1880 . [vol. xxiii.] 
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