SYSTEMATIC. 
Spovg. 13 
Ijima, Annot. zool. Japon, i, describes the following new species: 
Rhabdocalyptus capillatus , p. 51, victor , p. 52; 
Staurocalyptus rceperi , p. 55, heteractinus , p. 56, glaber , p. 57. 
t Trematodictyon regulare , Zeise, Palreontogr. ii (Suppl.), p. 297, n. sp. 
\Craticularia intrasulcata , Zeise, t. c. p. 299, n. sp. 
Zeise, t. c., describes several other new fossil genera and species, to which 
however he gives no names because he considers the material at 
his disposal insufficient. 
Oppliger, Abh. Schweiz, pal. Gcs. xxiv, describes f Pachyteichisma mcean- 
drina , p. 15, and turbinatum , p. 16, hitherto only known as MS. names 
of Zittel ; also a new species : 
\Trochobolns cuneiformis, p. 19; and several other apparently new fossil 
species, to which however he attaches no names. 
Bathydorus uncifer , F. E. Schulze, Yerh. Deutsch. zool. Ges. vii, p. 37, 
n. sp. (no diagnosis). 
Euplectella aspergillum, Lendenfeld, Zool. Garten, xxxviii, p. 46, re- 
described. 
HEXACERATINA [cf. Title 18]. 
Dendrilla rosea , Lendenfeld, Zool. Garten, xxxviii, p. 50, redescribed. 
TETRAXONIA. 
TETRA X0N1DA. 
Tetractinellida [cf. Titles 15, 18, 20, 22, 37]. 
Lindgren, Zool. Anz. xx, describes the following new species : 
Stelletta tenuis , p. 485 ; 
Erylus decumbens, p. 485 ; 
Caminus chinensis , p. 485 ; 
Oeodia distincta , p. 486, arripiens , p. 486 ; 
hops nigra, p. 486. 
Topsent, Rev. Suisse Zool. iv, establishes the new genus ; 
Pladnolopha , n. g., p. 429 ; 
and describes the following new species : 
Pladnolopha Bedoti, p. 429 ; 
Sydonops picteti, p. 431; and 
Pilochrota brevidens , p. 433. 
Pachastrella stylifera, Lendenfeld, Tr. Irish Ac. xxxi, p. 82, n. sp. 
Lendenfeld, Abh. Senckenb. Ges. xxi, describes the following new 
species : 
Ancorina simplex, p. 96; 
hops cardnophila, p. 99 ; 
Cinachyra voeltzkowi, p. 101. 
Stelletta hispida, Lendenfeld, Zool. Garten, xxxviii, p. 71, redescribed. 
