22 Spong. 
XVII. SPONGLE. 
Canrinus 0. S., genus defined, with diagnoses of 4 spp. ; Lendenfeld (27) 
pp. 92 & 93. 
Cv doniurn gigas (0. S.) ; physiology ; Cotte (9), see ix, c, iv. 
Ei'ylus Gray, genus defined, with diagnoses of 12 spp., pp. 85-89; E. top- 
senti nom. nov. for E. mammillaris Tops, non 0. Sohm. p. 87 : Len- 
denfeld (27). 
Oeodia Lam., genus defined, with diagnoses of 26 spp., pp. 104-116 ; G, 
tuber nom. nov. for Geodia tuberosa 0. S., p. 113: Lendenfeld (27). 
Geodinella n. g. for Geodia cylindrica Thiele; Lendenfeld (27) p. 117. 
t Geodites sp., spicules of in chert; Raisin (41) p. 80. 
hops Soil., genus defined, with diagnoses of 16 spp. ; Lendenfeld (27) 
pp. 94-98. 
Pachyinatisma Johnst., genus defined, with diagnoses of 4 spp. ; Lenden- 
feld (27) pp. 90-92. P. johnstonia Bwk. ; Rousseau (43) p. 14. 
Sidonops Soil., genus defined, with diagnoses of 15 spp., pp. 99-104 ; 
S. lindgreni nom. nov. for S. picteti Lindgren non Tops., p. 102 : 
Lendenfeld (27). 
(2) LITHISTIDA. 
Classification of the Lithistida into 9 families, (1) Tetracladinidce , 
(2) Eutaxicladinidce , (3) Rhaphidinidce, (4) Megamorinidce, (5) Corallis- 
tinidce , (6) Anomocladinidce , and (7) Rhizomorinidce (including four 
sub-families, Azoricidce , Scleritodermidce , Neopeltidce and Cladopel- 
tidce) } (8) Megarhizinidoi n. fam. (type Megarhiza Schr.) and (9) 
Scolioraphiniaee (type Scolior aphis Z.); with diagnoses of the families; 
Schrammen (46) pp. 10-21. [See also p. 19 supra.] 
Tribe HOPLOPHORA. 
Hoplophora, definition; Lendenfeld (27) p. 125. 
Family TETRACLADiDdi. 
t Gallopegma acaule Z. ; Wollemann (56) p. 7 : fC. sp. ; Jukes-Browne 
& H!ill (24) p. 87. 
iChiastoclonella headi\ Foerste (17), p. 714. 
iDendroclonella rugosa ; Foerste (17), p. 714. 
Discodermia Boc., genus defined, with diagnoses of 10 spp. ; Lendenfeld 
(27) pp. 128-131. D. natalensis n. sp., Coast of Natal; Kirkpatrick 
(25) pp. 172 & 173, pi. iv, figg. 2, 2 a-lc } 3 & 3 a-d. 
\Hallirhoa agariciformis Ben. ; Jukes-Browne & Hill (24) p. 87. 
t Jerea websteri Sow. ; Jukes-Browne & Hill (24). 
Jereopsis O.S., genus defined, with diagnosis of 1 sp. ; Lendenfeld (27) 
p. 133. 
Kaliapsis Bwk., genus defined, with diagnoses of 3 spp. ; Lendenfeld (27) 
pp. 133 & 134. 
\Nelumbia sp., p. 78; tA. tuberosa Hinde, p. 31 : Jukes-Browne & Hill 
(24). 
fPholadocladia ramosa Hinde ; Jukes-Browne & Hill (24) p. 379. 
t Phymatella intumescens Roem., pp. 31, 78, 183; iP. sp., p. 78: Jukes- 
Browne & Hill (24). 
t Plinthosella compacta Hinde ; Jukes-Browne & Hill (24) p. 379. 
Racodiscula Z., genus defined, with diagnoses of 4 spp. ; Lendenfeld (27) 
pp. 131-133. 
t Ragadinia sulcata Hinde; Jukes-Browne & Hill (24) p. 379. 
