36 Spong. 
XVII. SPONGE. 
(b) Order HALICHONDRINA. 
Family Haplosclerida:. 
Sub-family Chalindle. 
Acervochalina finitima (0. S.) Ridley, vide Chalina. 
Arenochalina mirabilis Lend., description of type specimens corrected ; 
Whitelegge (64) pp. 65, 76, pi. x, fig. 7 : Whitelegge (65) pp. 212 
& 213. 
Cacochalina globosa Lend., vide Chalina. 
Ceraochalina finitima (0. S.) Lend., vide Chalina. C. multiformis, var. 
dura Lend., the type-specimen is identical in every character with 
Thalassodendron viminalis Lend.; Whitelegge (65) p. 214. 
Chalina cylindrica (Lend.), p. 73 ; C. finitima 0. S., described, pp. 72 & 73; 
C. globosa (Lend.), described, pp. 71, 72 & 117, pi. x, fig. 4; C. ligulata, 
n. sp., from Tuggerah Beach, N. S. Wales, p. 74, pi. x, fig. 6 : White¬ 
legge (64). C. oculata Pall.; Kingsley (31) p. 161: Whiteayes (63) 
p. 15. C. pahnata (Lam.), described, synonym Cladochalina euplax 
Lend., p. 72; C.% spiculifera, n. sp., from Tuggerah Beach, N. S. 
Wales, pp. 73 & 74, pi. x, fig. 5 : Whitelegge (64). 
Chalinissa communis Lend., vide Pachychalina. 
Chalinula renieroides 0. S., vide Reniera simulans. 
Cladochalina euplax Lend., vide Chalina pahnata. 
Dactylochalina cylindrica Lend., vide Chalina. 
Pachychalina aurantiaca Lend., described, pp. 69, 117; P. communis 
(Lend.), from Tuggerah Beach, N. S. Wales, described, pp. 70 & 71; P. 
punctata R. & D., from Tuggerah Beach, N. S. Wales, described, 
synonym Plachochalina peduncidata, var. dura Lend., pp. 69 & 70 : 
Whitelegge (64). P. rustica 0. S., redescribed ; Topsent (59) pp. 357 
& 358, pi. xii, fig. 4. 
Plachochalina peduncidata, var. dura Lend., vide Pachychalina punctata 
R. & D. 
Patuloscula procumbens, var. fiabelliformis Crtr., vide Siphonochalina. 
Phylosophina intermedia Lend., vide Siphonochalina. 
Siphonochalina intermedia R. & D., described, p. 75; S. procumbens, var. 
fiabelliformis (Crtr.), p. 75 ; S. stalagmites Lend., described, pp. 75 & 
76 ; Whitelegge (64). S. stolonifera, n. sp., from Bermuda, allied to 
S. papyracea Schum.; Whitfield (66) pp. 47 & 48, pis. i-iii. 
Sub-family Renieriile. 
Amorphina megalorhaphis Crtr., vide Halichondria panicea. 
Eumastia sitiens 0. S.; Whiteaves (63) p. 15. 
Gellius angulatus (Bwk.) R. & D., redescribed ; Topsent (59) p. 356. 
G. arcoferus Vosm.; Whiteaves (63) p. 16. G. bidens, n. sp., from 
Antarctic ; Topsent (56) p. 2 : full description ; Topsent (60) pp. 14 
& 15 and p. 6, pi. ii, fig. 8, pi. iii, fig. 7. G. flagellifer R. & D., and 
G. laurentinus Lambe; Whiteaves (63) p. 16. G. rudis, n. sp., from 
Antarctic; Topsent (56) p. 2 : full description ; Topsent (60) p. 14, 
pi. i, fig. 9, pi. iii, fig. 4. 
Halichondria condensa Bwk., vide Reniera simulans. H. panicea (Pall.) 
Johnst., from Antarctic Ocean, includes Amorphina megalorhaphis 
Crtr.; Topsent (60) pp. 10 & 11 : Topsent (56) p. 1 : Kingsley (31) 
p. 161 : Whiteaves (63) p. 15 : Whitelegge (64) p. 68. H. rubra 
Lend., vide Rhaphisia. 
lsodictya dichotoma Bwk. and 1. ingalli Bwk., vide Reniera simulans. 
I. infundibuliformis and I. lobata ; Kingsley (31) p. 161, 
