32 Spong. 
XVII. SPONGLE. 
corrected, the species a doubtful one, pp. 275, 276, 279, 287: White- 
legge (69). 
Ceraoclialina multiformis var dura Lend., note on; Whitelegge (69) 
pp. 278 & 287. 
Chalina , diagnosis of the genus ; Lundbeck (38) p. 10. C. globosa Lend., 
note on ; Whitelegge (69) pp. 284 & 285. C. ocidata (Pall.), re¬ 
described, from Faroe Islands and Yestman Islands, pp. 10 & 11, 
pi. viii, fig. 7 : C. spatula n. sp., Davis Strait, 55 fathoms, pp. 11 & 
12, pi. ii, fig. 3, pi. viii, figg. 8 & 9; Lundbeck (38). C. subarmigera K., 
note on ; Whitelegge (69) pp. 277 & 285. 
Chalinella tenella Lend., is found by examination of the type-specimen to 
be a horny sponge ; Whitelegge (69) pp. 285, 286 & 278. 
Chalinissa communis Lend., C. elegans Lend, and C. elongata Lend., notes 
on ; Whitelegge (69) pp. 286 & 278. 
Chalinopora lamella Lend, and C. siphonopsis Lend, description of type- 
specimens corrected ; Whitelegge (69) pp. 285 & 278. C. tenella 
Lend., vide Pachy chalina. 
Chalinula robustior 0. S., appears from examination of the type-specimens 
to be found on fragments of the stalk of Reniera urceolus (Rathke & 
Yahl); Lundbeck (38) p. 37. 
Cladochalina euplax Lend., note on, pp. 285 & 278 ; C. mollis Lend., 
description of type-specimen corrected, pp. 286 & 278 : Whitelegge 
(69). 
Pachychalina 0. S., diagnosis of the genus, p. 5, remarks on, p. 5 ; 
Lundbeck (38): diagnosed; Wilson (71) p. 390. P. amaranthus 
(Duch. et Mich.), described, p. 391; P. areolata n. sp. from off 
Vieques, Sail Rock, Porto Rico, p. 392 ; P. aurantiaca (Lend.) var. 
dura n. var. from off St Thomas, Sail Rock, Porto Rico, p. 393 : 
Wilson (71). P. caulifera Vosrn., redescribed and defined, from 
Faroe Islands, pp. 7-9, pi. ii, figg. 1 & 2, pi. viii, figg. 4-6 ; P. com- 
pressa 0. S., shown by examination of the type-specimen to be a 
Homceodictya , p. 6 ; P. excelsa 0. S., remarks on, pp. 6 & 7 : Lund¬ 
beck (38). P. manus Lend., description of type-specimen corrected ; 
Whitelegge (69) pp. 284 & 277. P. mollis n. sp. from Porto Rico ; 
Wilson (71) pp. 390 & 391. P. oblonga Hans, is a Reniera , possibly 
R. ventilabrum Frist., pp. 9, 51; P. oblonga Vanhoffen non A. Hansen 
is a Reniera , p. 26 ; Lundbeck (38). P. rubens (Pall.), described ; 
Wilson (71) p. 392. P. schmidtii n. sp., from Iceland, SuderO, and 
Faroe Islands, 10 and 22 fathoms, pp. 5-7, pi. i, figg. 1 & 2, pi. viii, 
figg. 1-3 ; Lundbeck (38). P. tenella (Lend.), description of type- 
specimen corrected ; Whitelegge (69) pp. 284 & 278. 
Placochalina pedunculata, varr. dura Lend., pocula Lend., and mollis 
Lend., note on ; Whitelegge (69) pp. 274, 279, 287. 
Siphonochalina 0. S., diagnosis; Lundbeck (38) p. 13 : Wilson (71) 
p. 393 ; S. mollicula n. sp., from Greenland; Lundbeck (38) pp. 15 & 
16, pi. viii, figg. 12-14. jS. procumbens (Crtr.), described, p. 393 ; S. 
procumbens (Crtr.) var. infirma n. var. from Porto Rico, pp. 393 & 
394 ; Wilson (71). S. pulcherrima (Frist.), redescribed, from Green¬ 
land ; Lundbeck (38) pp. 13 & 14, pi. i, figg. 3 & 4, pi. viii, figg. 10 & 
11. S. spiculosa D., described ; Wilson (71) p. 394. 
Spinosella Yosm., diagnosed, p. 394 ; S. sororia (Duch. et Mich.), de¬ 
scribed, p. 395 ; Wilson (71). 
Sub-family Renierina:. 
Amorphina fibrosa Frist., vide Halichondria. A. nigrocutis (Crtr.), vide 
Halichondria difficilis. A. nodosa Frist., vide Halichondria genitrix 
0. S.; A. sp.; Sollas (58) p. 217. 
