36 Spong 
XVII. SPONGLE. 
figg. 9 & 10, pi. xii, fig. 10, a & b ; P. tuber n. sp., from Denmark 
Strait, 799, 485, and 568 fathoms, pp. 57-59, pi. vi, figg. 11-13, pi. xii, 
figg. 6, a & b, & 7 : Lundbeck (38). 
Rhizochcilina 0. S., the genus to be sunk, since Schmidt’s two species 
R. oleracea and R. carotta are found on examination of the type- 
specimens to be Chalinince ; for species referred later to this genus 
Carter’s name Phloeodictuon should be used, q. v.; Lundbeck (38) 
pp. 56 & 57. 
Family Pcecilosclerid,e. 
Poeciloscleridce Tops., criticism of the family ; Lundbeck (38) p. 3. 
Sub-family EsperellinyE. 
Axoniderma , vide ii, b, ii, a. 
Biemma Gray, diagnosis of the genus, p. 82 ; list of species comprised in 
it, p. 87 ; B. annexa for Desmacella vagabunda var. annexa 0. S., 
redescribed and defined, pp. 85-87, pi. iv, fig. 14, pi. xvii, fig. 3, a-f) 
Lundbeck (38). B. democratica n. sp. from Pulau Bidang, “possibly 
it ought to form the type of a new genus” ; Sollas (58) p. 213, pi. xv, 
fig. 9. B. rosea for Desmacella rosea Frist., redescribed and defined, 
includes B. dautzenbergi Tops.; Lundbeck (38) pp. 82-85, pi. vi, 
figg. 1 & 2, pi. xv, figg. 5, a-d & 6-9. 
Chondrocladia, vide n, b, ii, a and ii, d, iv. 
Cladorhiza , vide n, b, ii, a ; C. flos abyssi n. sp. from Cape Verde Islands, 
3890 metres ; Topsent (61). 
Desmacella 0. S., diagnosis of the genus, p. 88 ; list of species comprised 
in it, and their distinguishing characters, pp. 98 & 99 (vide etiam 
Biemma and Sigmaxinella ); D. capillifera for Gellius capilliferus 
Levinsen, redescribed and defined, probably includes D. peachii var. 
groenlandica Lambe non Frist., pp. 88-90, pi. xvi, fig. 1, a-g : Lund¬ 
beck (38). D. fortis Tops., redescribed, pp. 213 & 214 ; Sollas (58). 
I), groenlandica for D. peacliii var. groenlandica Frist., redescribed and 
defined, pp. 95-98, pi. vi, fig. 14, pi. vii, fig. 7, pi. xvii, fig. 2, a-h ; 
D. hamifera n. sp., from various localities at the Faroe Islands, 
between the Faroe Islands and Iceland, and in Denmark Strait, 
96-450 fathoms, pp. 93-95, pi. vii, figg. 4-6, pi. xvii, fig. 1, a-l ; 
D. peachii (Bwk.), redescribed and defined, pp. 90-93, pi. iv, figg. 10- 
13, pi. xvi, fig. 2, a-l : Lundbeck (38). D. sp. from Pulau Bidang ; 
Sollas (58) p. 214. 
Desmacellince , subfamily of Ileterorrhaphidce , for the genera Biemma , Des¬ 
macella and Hamacantlia ; Lundbeck (38) p. 82. 
Esperella oegagropila (Johnst.); Kerville (26) p. 175. E. sidevoidea 
n. sp. ; Sollas (58) p. 213, pi. xiv, figg. 8 & 9, pi. xv, fig. 10. 
Hamacantlia Gray, diagnosis of the genus, p. 99 ; characters of the genus 
and list of species, p. 108; H. boioerbanlci n. sp., from various stations 
(between the Faroe Islands and Iceland, S. of Iceland, Denmark 
Strait, and Davis Strait), 132-1267 fathoms, includes Hymedesmia 
johnsoni Crtr. and perhaps Halichondria falcula Bwk. and Hyme¬ 
desmia johnsoni Bwk., pp. 99-104, pi. vii, figg. 2 & 3, pi. xviii, figg. 1, 
a-k, 2 & 3 ; H. implicans n. sp., from Davis Strait and Denmark 
Strait, 170-788 fathoms, perhaps includes H. papillata Yosm. and 
H. johnsoni var. complanata Tops., partim, pp. 104-108, pi. v, figg. 6-9, 
pi. xix, figg. 1, a-e , 2-6 : Lundbeck (38). 
Homoeodictya , notes on ; Lundbeck (38) p. 6 footnote (vide etiam Pachy- 
chalina compressa). 
