40 Spong. 
XVII. SPOXGLE. 
Sub-family Ectyonixle. 
Aulena gigantea , var. micropora Lend, [placed under Keratosa]; White- 
legge (64) pp. 93 & 118. 
Clathria arborea (Lend.), type specimen redescribed; Whitelegge (64) 
pp. 65, 88 & 89, pi. xi, figg. 15 & 15 a \ specimen from British 
Museum described (vide Thalassodendron reticulata) ; Whitelegge 
(65) p. 212. C. australiensis (Crtr.), described; synonyms Clathno- 
psamma lobosa Lend, and Thorecta ramsayi Lend.; Whitelegge 
(64) pp. 66, 84 & 85, pi. xi, fig. 12. C. australis Lend., vide sub Plu¬ 
mohalichondria. C.delicata Lambe; Whiteaves (63) p. 18. C. dura, 
n. sp., from Tuggerah Beach, X. S. W. ; Whitelegge (64) pp. 83, 84, 
& 117, pi. xi, fig. 11. C. macropora Lend., type examined, proves to 
be a synonym of C. ( PIuraohalichondria) australis , q. v.; Whitelegge 
(64) pp. 91 & 65: note on British Museum type; Whitelegge (65) 
p. 212. C. rubens (Lend.), described, pp. 85-88, pi. xi, fig. 13; C. 
tenuifibra , n. sp., from Lake Illawarra, X. S. W., pp. 82 & 83, pi. xi, 
fig. 10; C. typica (^Crtr.) described, synonyms Echinonema anchoratum 
Crtr., E. flabelliformis Crtr., E. pectiniformis Crtr. and Phakellia 
ventilabrum var. australis Crtr., pp. 65, 80-82 & 117: Whitelegge 
(64). 
Clathriopsamma lobosa Lend., the type is a specimen of Clathria australi¬ 
ensis Crtr.; Whitelegge (64) p. 85. 
Echinoclathria elegans (Lend.), described; Whitelegge (64) p. 90. E. 
intermedia , nom. nov., for the type of Thalassodendron viminalis 
Lend., in the Australian Museum, described under this name by 
Whitelegge (64) pp. 87 & 88; Whitelegge (65) p. 214. E. macropora 
(Lend.), type specimen redescribed; Whitelegge (64) pp. 65, 89 & 
117. 
Echinonema anchoratum Crtr., varr. ramosa Lend., densa Lend., and 
lamellosa Lend., descriptions of types corrected; Whitelegge (64) 
pp. 65, 81 & 82; vide etiam Clathria typica. E. Icevis Lend., type 
examined, proves to be a synonym of Clathria ( Plumohalichondria ) 
australis , q. v.; Whitelegge (64) pp. 91, 92 & 65: note on British 
Museum type; Whitelegge (65) p. 212. E. rubra Lend., note on 
British Museum type; Whitelegge (65) p. 212. Hymeraphia lacazei 
Tops., pp. 351 & 352 ; H. viridis Tops., redescribed, p. 352: Topsent 
(59). 
Plectispa arborea Lend., vide sub Clathria. P. elegans Lend., and P. 
macropora Lend., vide sub Echinoclathria. 
Plumohalichondria australis (Lend.), type specimen redescribed; syno¬ 
nyms Clathria macropora Lend, and Echinonema Icevis Lend. ; 
Whitelegge (64) pp. 90-92 & 65, pi. xi, figg. 14, 14 a & b. 
Rhaphidophlus flifer R. & D., var. cantabrica , n. var., from Coast 
of Asturias, Bay of Biscay, 200-400 meters ; Orueta (42) pp. 331- 
335, pis. iii & iv. 
Spanioplon pidvinar (O. S.) Tops. ; Topsent (59) p. 352. 
Thalassodendron brevispina Lend., T. paucispina Lend., T. rubens Lend., 
T. rubens var. dura Lend., T. rubens var. lamellosa Lend., type 
specimens redescribed; probably all the above forms represent one 
variable species, Clathria rubens , q.v.; T. typica Lend, and T. viminalis 
Lend, are distinct; Whitelegge (64) pp. 65 & 86-88. T. reticulata 
Lend., the British Museum type was wrongly described, and is a 
specimen of Clathria arborea , p. 212 ; T. viminalis Lend., British 
Museum type redescribed, proves to be identical with the type of 
Ceraochalina multiformis var. dura Lend, in the Australian Museum; 
the type of T. viminalis in the Australian Museum to be Echino¬ 
clathria intermedia , n. sp., pp. 212, 214 & 215: Whitelegge (65). 
