xvii* spongij:. 
14 Spongi 
Bathydorus laivis , p. 57 ; 
Placopcgma solution, p. 631 
Hyalonema infundibulum , Topsent, Arm. Univ. Lyon, 1896, p. 277, n. sp„ 
li. lusitanicum , Bocage, redescribed, Topsent, t. c. p. 280. 
Regadrella phoenix, 0. Schmidt, redescribed, Topsent, t, c. p. 275. 
F. E. Schulze (43) gives a revised list of the genera and species of, 
. 'Euplectellidai . 
Winciiell & Sciiuchert (56) give a list of fossil American He: c- 
actinellida. 
'■ HEXACERATINA (49). 
Hexcidella, n. g. ; Topsent, Mem. Soc. zool. France, ix, p. 119. 
Topsent, Mem. Soc. zool. France, ix, describes the following new species r 
Hexadella racovitzai , p. 119, pruvoti, p. 120. 
TETRAXONIA. 
TETRAXONIDA. 1 
Tetractinellida ( 24 , 56 ). 
f Anomalospongia, n. g. ; Winch ell & Sciiuchert, Final Report of the 
Minnesota Geological Survey, iii, p. 68 (new name for AnomuloUles, 
Ulrich). 
M- reticulata, Ulrich, redescribed, Winciiell & Sciiuchert, Final 
Report of the Minnesota Geological Survey, iii, p. 68. 
Kieschnicic, Zool. Anz. xix, describes the following new species : 
Tetilla ternatensis , p. 527 ; 
Stelletta lobata , p. 527, sphceroides , p. 528, reniformis , p. 528, aspera ,. 
p. 528, porosa, p. 528, truncata , p. 528, stellifera, p. 529 ; 
Cydonium sjduerotdes, p. 529 ; , , 
Psammastra conulosa, p. 529 ; 
Synops alba, p. 529 ; 
Erylus incequulis, p. 530. 
Lithistida ( 21 , 24 , 56 ). 
■fPemmatites constipatus, Hinde, Quart. J. Geol. Soc. Iii, p. 438, n. sp. 
jDiscodermia claviformis and conica, Kiesciinick, Zool. Anz. xix, p. 530,. 
n. sp. 
f Hindia parva , Ulrich, redescribed ; Winciiell & Sciiuchert, FinaL 
Report of the Minnesota Geological Survey, iii, p. 79. 
MONA XONIDA . 
Clavulina ( 24 , 49 , 50 ). 
Spongosorites , n. g., Topsent, Mem. Soc. zool. France, ix, p. 117. 
Spongosorites placenta, Topsent, t. c. p. 117, u. sp. 
Spiroxya , n. g., Topsent, t. c. p. 121. 
Spiroxya heteroclita, Topsent, t. c. p. 122, n. sp. 
Subcrites oculatus and radiatus , Kiesciinick, Zool. Anz. xix, p. 534, n. sp-- 
Spirastrella cylindrica and dilatata, Kiesciinick, t. c. p. 534, n.sp. 
Stylocordyla borealis , Loven, redescribed ; Topsent, Ann. Univ. Lyon,. 
1895, ii, p. 286. 
