SYSTEMATIC. 
Spong . 21 
Family Anomocladid^e. 
\Astylospongia prcemorsa F. R., redescribed : Remes (40). 
t Scytalia fastigiata , S. radiciformis , S. terebrata : Jukes-Browne & Hill 
* (26) p. 508. 
Family Rhizomorinidte. 
iCtenendopora callodictya (?) : Jukes-Browne & Hill (26) p. 505. 
iPachinion scriptum : Jukes-Browne & Hill (26) p. 507. 
t Seliscothon explanatus , S. planus: Jukes-Browne & Hill (26) p. 508. 
t Stachyspongia spica : Jukes-Browne & Hill (26) p. 505. 
+ Stichophyma tumidum , #. sp. : Jukes-Browne & Hill ( 26) p. 508. 
(ii) MONAXONIDA. 
(a) Order HADROMERINA. 
]. Sub-order ACICTJLINA. 
Family Coppatiid^e. 
Jaspis johnstoni (Schmidt) T., redescribed, p. 128; J. johnstoni (Schmidt), 
var. incrustans TV, redescribed, p. 128; J. dendyi (Sollas) T., rede- 
scribed, pp. 129, 130: Topsent (50). 
Spongosorites placenta TV, redescribed: Topsent (50) pp. 130, 131. 
Topsentia, definition of genus, p. 131 ; T. glabra (Topsent) B., redescribed, 
pp. 131, 132; T. pacha strelloides T., p. 133: Topsent (50). 
Family Stylocordylimv 
Oxycordyla , n. g., definition of genus, p. 135 ; 0. pellita , n. sp., described, 
pp. 135, 136: Topsent (50). 
Family Tethyid^e. 
Heteroxya , definition of genus, p. 133 ; II. corticata T., redescribed, pp. 133 
-135 : Topsent (50). 
Tetliya lyncurium : Mar. Biol. Ass. (34). — T. newberyi : Dennant & 
Kitson (8). 
2. Sub-order CLAYULINA. 
Family CLIONID.E. 
Alectona ndllari C., redescribed: Topsent (50) pp. Ill, 112. 
Cliona labyrinthica H., redescribed, p. 105 ; G. levispira T., redescribed : 
Topsent (50) pp. 105-107. — G. duvernoyi , C. nardoi, C. studeri : 
Schutze (44).— C. celata : Mar. Biol. Ass. (34). — 1(7. cretacea : Rowe 
(41) p. 293. — 1(7. cretacea , G. glomerata : Jukes-Browne & Hill (26) 
p. 505. — C. pontica , G. typica , G. stationis , G. sp. ? (Czern) : Sowinsky 
(46) p. 289. — Glione , pearls originated by : Herdman (17). 
Dotona pulchella C., redescribed : Topsent (50) pp. 108, 109. 
Thoosa armata T., redescribed : Topsent (50) pp. 109-111. 
