4 Por. 
III. Porifera or Spongida. 
[1920] 
III.— SYSTEMATIC. 0631 
PORIFERA, GENERAL. 
Sponges, freshwater, of Ireland, 
bionomics and description of species ; 
Stephens Proo. R. Irish Acad. 86 
Section B pp. 205-264 pis. xxvi-xxix. 
■[Sponges, Inferior Oolite, West Eng- 
land, distribution and description, with 
new forms; Riohabdson & Thacker 
Proc. Geol. Ass. 31 pp. 161-186 jjIs. 
xii & xiii. 
OALCAREA. 
■\Amblysiphonella (?) timorica sp. n., 
Trias ; Vinassa de Rbqny in Wanner 
Palaeontol. v. Timor Lief. 4 No. yiii 
p. 86 pi. lxv figs. 12 & 13. 
•f Blastinoidea gen. n. (near Blastinia ) 
frithica sp. n., Oolite, W. England ; 
Richardson & Thacker Proc. Geol. 
Ass 31 p. 182 pi. xii fig. 6. 
f Corynella sessilis sp. n., Oolite, 
W. England ; Richardson & Thacker 
T.c. p. 176 pi. xii fig. 2. — C. timorica 
sp. n. Trias; Vinassa de Reqny in 
Wanner Palaeontol. v. Timor Lief. 4 
No. VIII p. 79 pi. lxiv figs. 4-6 pi. lxv 
fig. 7c. 
* Orantia compressa , oogenesis and 
fertilization ; Gatenby J. R. Microsc. 
Soc. 1920 pp. 277-282 pi. v.— Q. ( Sycon ) 
compressa , germ -cells, fertilization and 
early development ; Gatenby J. Linn. 
Soc. Zool. 34 pp. 261-297 pis. xix-xxiii. 
f Limnorella subtilis p. 179, pi. xii 
figs. 4, 5, dundriensis p. 180, fig. 10, 
spp. n. Oolite ; Richardson & Thacker 
Proc. Geol. Ass. 31. 
f Molengraaffia gen. n. ( Pharetrones ) 
regularis sp. n. Trias; Vinassa de 
Regny in Wanner Palaeontol. v. 
Timor Lief. 4 No. viii p. 80 pi. lxiv 
figs. 1-3. 
IfPeronidellashiptonensis , sp.n. Oolite, 
Dorset ; Richardson & Thacker 
Proc. Geol. Ass. 31 p. 174 pi. xii figs. 
7 & 8. 
f Steinmannia irregularis p. 80 pi. lxv 
fig. 3, utriculus p. 81 fig. 2, wanneri 
p. 82 figs. 4, 5, 7, lydia p. 83 fig. 1 spp. n. 
Trias ; Vinassa de Regny in Wanner 
Palaeontol. v. Timor Lief. 4 No. viii. 
t Stellispongia moluccana p. 78 pi. 
lxiv figs. 7, 8, timorica p. 78 figs. 11-14 
spp. n. ; Vinassa de Regny in Wanner 
Palaeontol. v. Timor Lief 4 No. viii. 
i 
t Wetteria gen. n. ( Sycones , near 
Hanoi sia) repleta sp. n. Trias ; Vinassa 
de Regny T.c. p. 84 pi. lxv figs. 6 
8-11 14b. 
| Winwoodia gen. n. (near tlolco- 
spongia) p. 178, porula pi. xii fig. 9, 
shiptonensis fig. 3 p. 178, parvula p. 179 
fig. 1, spp. n.. Oolite, W. England ; 
Richardson & Thacker Proc. Geol. 
Ass. 31. 
NON-CALCAREA. 
Monaxonida Schmidt’s collection 
at Strassburg Museum, notes on ; 
Topsent Bull. Inst, ocean. No. 381 
pp. 1-36 5 text- figs. 
•[Cretaceous Silicispongiae, Schram- 
men Collection, account of ; O’Connell 
Bull. Amer. Mus. Nat. Hist. 41 pp. 
1-262 pis. i-xiv. 
t Silicispongiae, Cambrian, British 
Columbia with new forms, diagnosed ; 
Walcott Smithson. Miscell. Coll. 67 
pp. 261-364 pis. lx-xc. 
(a) Myxospongida. 
[Vacant.] 
(b) Hexactinellida. 
Great glass-sponges of the Devonian, 
origin, rise and fall ; Clarke J. Geol. 
28 pp. 26-37. 
f Armstrongia gen. n. for Ceratodictya 
oryx ; Clarke New York State Mus. 
Bull. Nos. 219 220 pp. 143-146 1 pi. 
| Ceratodictya oryx sp. n., Devonian, 
Erie ; Clarke New York State Mus. 
Bull. 196 p. 180 pi. ii. 
f Ghancelloria gen. n. ( Chancelloridae ) 
fam. n.) p. 327, eros p. 329 pi. lxxxvi 
fig. 2, pi. lxxxviii fig. 1, drusilla p. 331, 
pi. lxxxvii fig. 2, libo p. 332 fig. 1, 
yorkensis p. 332 fig. 3, Cambrian ; 
Walcott Washington Smithson. Inst. 
Miscell. Coll. 67. 
| Gryptodictya lylea sp. n. Devonian, 
Erie; Clarke New York State Mus. 
Bull. No. 196 p. 184 pi. iv. 
