6 Por . 
[1910] 
III. Porifera or Spongida. 
III.— SYSTEMATIC. 
General. 
Systematic position of sponges in 
the animal kingdom, Galiano Madrid 
Bol. soc. esp. hist. nat. 10 1910 p. 75. 
CALCAREA. 
(i) HOMO CO EL A (vacant). 
(ii) HETEROCOELA. 
Murrayona gen. n., phanolepis sp. n. 
Pharetronidarum, Christmas Island, 
Kirkpatrick London Proc. Roy. Soc. 
83 1910 p. 127. 
Murrayonina n. subfam. of Phare- 
tronidae, Kirkpatrick T.c. 
■\Pachymura gen. n. of Inozoa 
Steinmann, goldfussi sp. n. Greensand 
of Essen, Welter Verh. nat.-hist. 
ver. preuss. Rheinl. und Westfalens 67 
p. 58. 
f Pacliytilodia pomum Scldiiter sp. n. 
Greensand of Essen, Welter T.c. 
p. 62. 
■ \Petrostroma goldfussi n. n. for 
Lithothamium goldfussi Gum bel. — P. 
digitata sp. n. Greensand of Essen, 
Welter T.c. p. 38. 
Pharetronidae, historical review, 
Kirkpatrick London Proc. Roy. Soc. 
83 p. 124. 
Pharetrones L., short review of, 
Welter Verh. nat. hist. ver. preuss. 
Rh. und Westfalens 67 p. 12. 
f Plectroninia, relationship to older 
sponges, P. assindiae sp. n. Greensand 
of Essen, Welter T.c. p. 27. 
t Porosphaerella gen. n., subglobosa 
sp. n. Greensand of Essen, p. 23, stroma- 
toporoides , expansa , columella, socialis, 
pp. 25-27, varr. n., Welter T.c. 
f Sagittularia gen. n. of Lithoninae 
adfixa sp. n., expansa var. n., Greensand 
of Essen, Welter T.c. p. 34. 
f/S 'teinmanella gen. n. biformis P. A. 
Romer, latidorsata, crassa, spp. n., 
Tourtia of Essen, Welter T.c. p. 66. 
Sycandra raphanus, Eibildung, Rei- 
fung, Befruchtung und Eurcliung bei 
Syconen, JOrgensen Arch. Zellforschg. 
Leipzig 4 1910 p. 163. 
| Trachytila iuberosa gen. et sp. n* 
Greensand of Essen, Welter Verh. 
nat. hist. ver. preuss. Rheinl. und 
Westfalens 67 p. 64. 
MYXOSPONGIDA. 
Chondrosia plebeja O. Schmidt de- 
scribed and figured, Kirkpatrick 
London Proc. Zool. Soc. 1910 j>. 128. 
Chondrosia reniformis, anatomy and 
histology, Maas Archiv f. Entwick. 
Mech. 30 1910 p. 358. 
HEX ACTIN ELLID A . 
Terminology of Hexactinellid spicules 
— new names introduced, Schulze & 
Kirkpatrick Deutsch. Sudpolar- Ex- 
pedition 12 p. 7. 
Hexactinellidan spicules and their 
names, Kirkpatrick Ann. Mag. Nat. 
Hist. London ser. 8 5 pp. 208 & 347. 
(i) LYSSACINA. 
Acoelocalyx gen. n., brucei sp.n., p. 5, 
Topsent Bui. Inst, oedan. Monaco 1910. 
Aulorossella vanhoeffeni sp. n. Ant- 
arktic, Schulze & Kirkpatrick Zool. 
Anz. 35 p. 300. 
Bathydorus levis E. E. Schulz var. 
citratus n. var. p. 15, Topsent Bui. 
Inst, ocean. Monaco 1910. 
Caulophacus 1 antarcticus Antarktic, 
Schulze & Kirkpatrick Zool. Anz. 
35 p. 295. — C. scotiae p. 10, instabilis 
p. 12, spp. n., Topsent Bui. Inst, 
ocean. Monaco 1910. 
Docosaccus gen. n„ ancoratus sp. n„ 
p. 8, Topsent T.c. 
Hyalonema drygalsh’i sp. n. Antarktic, 
Schulze & Kirkpatrick Zool. Anz. 
35 p. 293. 
Malacosaccus pedunculatus p. 1, 
coatsi p. 3, spp. n., Topsent Bui. Inst, 
ocean. Monaco 1910. 
Rossella antarctica subsp. n. gaussi 
p. 296, racovilzae subsp. n. minuta 
p. 296, gaussi p. 297, lychnophora p. 298, 
fibulata p. 298, mixta p. 299, spp. n., 
Antarctic, Schulze & Kirkratrick 
Zool. Anz. 35. 
