12 Spoil g. -SPONGER.' 
Genus 3. Dictyocalyx , n. g., p. 43. 
Species i, D. gracilis , n. sp. 
Genus 4. Rlmbdodictyum , O. Sdt., p. 43. 
Species i, 7?. delicatum , 0. Sdt. 
Genus 5. Rhabdoplectella , 0. Sdt., p. 43. 
Species i, P. tintinnus , 0. Sdt. 
Genus 6. Hertwigia, O. Sdt., p. 44. 
Species i, H.falcif era, O. Sdt. 
Genus 7. Hyalostylus, u. g., p. 44. 
Species i, Ii. dives , n. sp. 
Fam. 2. Asconematidce. The dermal and gastral skeleton 
characterized by pentacte or hexacte pinuli, the 
free projecting radial ray of which is covered by 
spines or scales, pine-tree like. The hypodermalia 
and hypogastralia are pentactes ; attached ; with 
parenchymal discohexasters. 
Subfam. 1. Asconematince. Cup-, funnel-, or tube-shaped. 
The wall is a loose, thin plate. 
Genus 1. Asconema , Sav. Kent, p. 44. 
Species i, A. setabulense , Sav. Kent. 
Genus 2. Aulascus , n. g., p. 45. 
Species i, A. johnstoni , n. sp. 
Subfam. 2. Sympagellince. Ovoid, thick walled, usually 
stalked cups, with smooth, thiu, upper edge. 
In the parenchyma little discohexasters lie be- 
tween the principal hexactes and long diactes. 
Genus 1. Sympagella, 0. Sdt., p. 45, 
Species i, S. nux , 0. Sdt. 
Genus 2. Polyrhabdu8, n. g., p. 45. 
Species i, P. oviformis, n. sp. 
Genus 3. Balanites , n. g., p. 45. 
Species i, B. pipetta , n. sp. 
Subfam. 3. Caulophacince. Mushroom-shaped, with long, 
cylindrical, hollow stalk. 
Genus 1. Caulophacus , n. g., p. 46. 
Species i, C. latus, n. sp. ; ii, C. elegans. 
Genus 2. Trachycaulus, n. g., p. 46. 
Species i, T. gurlitti , n. sp. 
Fam. 3. Rossellidce. The dermalia have no distal radial ray. 
Genus 1. Lanuginella , O. Sdt., p. 47. 
Species i, L. pupa , 0. Sdt., p. 47. 
Genus 2. Polyophus , n. g., p. 47. 
Species i, P. philip pinensis , Gray, p. 47. 
Genus 3. Rossella , Carter, p. 47. 
Species i, R. antarctica, Crtr.; ii, R.velata , Wy. Th. : 
p. 48. 
Genus 4. Acanthascus , n. g., p. 48. 
Species i, A. grossularia , n. sp. ; ii, A. dubius , n. sp. ; 
iii, A. cactus , n. sp.: p. 49. 
