SYSTEMATIC. Spong. 29 
Injlatella pellicula O. S., redescribed; Thiele (61) pp. 385 & 38G, pi. xxi, 
' fig. 17. 
Joyeuxia Tops., a synonym, of Injlatella 0. S. ; Thiele (51) p. 386. 
Mycale Gray, to replace Esperia and Esperella ; M. armata n. sp. p. 950, 
pi. xxviii, fig. 16 ; M. moluccensis n. sp. p. 950, pi. xxviii, fig. 17 : 
Thiele (50). M. intermedia for Esperia intermedia 0. S., re- 
described, pp. 381 & 382, pi. xxi, fig. 12; M. lanugo for Esperia 
lanugo 0. S., redescribed, p. 381, pi. xxi, fig. 11 ; M. lingua Bwk. to 
include Esperia lucifera 0. S. and E. massa 0. S., p. 382, pi. xxi, 
fig. 13: Thiele (51). 
Rhaphidotheca rhopalophora for Esperia rhopalophora 0. S., redescribed, 
includes R. ajjinis Crtr. ; Thiele (51) pp. 382 & 383, pi. xxi, fig. 14. 
Sub-family Dendorycijle. 
Dendoryx Gray, diagnosed ; D. incrustans (Esper), described : Arnesen 
(3) pp. 14 & 15, pi. ii, fig. 3, pi. vii, fig. 3 : Kirkpatrick (26) pp. 251 
& 252 : physiology ; Cotte (9). 
Grayella, to include Yvesia. Tops, j G. polymastia n. sp. ; Thiele (51) 
p. 391, pi. xxi, fig. 24. 
Histoderma Crtr., diagnosed ; Arnesen (3) p. 16. H. natalense n. sp. 
from mouth of Tugela River, 65-80 fathoms; Kirkpatrick (26) 
pp. 250 & 251, pi. v, fig. 17, pi. vi, figg. 18 a-e. H. physa (0. S.), 
described; Arnesen (3) pp. 16 & 17, pi. ii, fig. 5, pi. vi, fig. 9: 
redescribed; Thiele (51) p. 385, pi. xxi, fig. 16. 
Histoderma singaporensis (Crtr.); Thiele (50) p. 955. 
Iophon Gray, diagnosed; I. pattersoni (Bwk.), described: Arnesen (3) 
p. 15. /. pommeranice n. sp. ; Thiele (51) p. 389, pi. xxi, fig. 20. 
Iotrochota baculifera Ridl. ; Thiele (50) p. 947. 
Melonanchora Crtr., diagnosed, M. elliptica Crtr., described; ArnesEn 
(3) pp. 15 & 16, pi. ii, fig. 4, pi. v, fig. 4. M. emphysema for Desmacidon 
emphysema 0. S., redescribed ; Thiele (51) p. 392. 
Tedania coralliophila n. sp., p. 946, fig. 12, pi. xxviii; T. reticulata n. sp., 
p. 946, pi. xxviii, fig. 13 ; T \ mceandrica n. sp., p. 947, pi. xxviii, 
fig. 14 ; T. brevispiculata n. sp., p. 947, pi. xxviii, fig. 15 : Thiele (50). 
T. increscens 0. S., redescribed; Thiele (51) p. 380, pi. xxi, fig. 9. 
Yvesia Tops., diagnosed; Arnesen (3) p. 17: a synonym of Grayella ; 
Thiele (5) p. 391. Y. lobata n. sp., Trondhjem, p. 18, pi. ii, fig. 7, 
pi. v, fig. 1, pi. vi, fig. 2; Y. mammillata n. sp., Bodo, pp. 17 & 18, 
pi. ii, fig. 6, pi. vii, fig. 2 : Arnesen (3). 
Sub-family Ectyonikle. 
Acarnus ternatus Ridl. and A. wolfgangi Keller; Thiele (50) pp. 960 & 
961, pi., figg. 26 & 27. 
Agelas cavernosa n. sp. ; Thiele (50) p. 963, pi., fig. 28. 
Clathria 0. S., diagnosed, p. 21, C. dichotomy (L.), described; Arnesen 
(3) pp. 21 & 22, pi. iii, fig. 4, pi. vi, fig. 8. C. dichotoma (Esper) 
includes Raspailia moebii O. S. and Dictyocylindrus abyssorum Crtr. ; 
Thiele (51) p. 394. C. mollis n. sp. from East London, Natal, 
85 fathoms, pp. 249 & 250, pi. v, fig. 15, pi. vi, figg. 16 a-d ; C. typica 
(Crtr.), described, pp. 248 & 249 : Kirkpatrick (26). 
Echinochalina n. g. for Ophlitaspongia australiensis Ridl. ; Thiele (50) 
t pp. 961 & 962. 
Eurypon clavatum (Bwk.) Gray to include Hymeraphia plicata 0. S., 
redescribed; Thiele (51) p. 386, pi. xxi, fig. 18. 
