FoHAMINIFKRA and a FuhICOLOUS W'oRM FItOM rUF I*KRMIAN OF TIIF 
Nohth-Wkst Division of Wfstkkn Austrafia. iOi) 
Thoro aro niia^tcu'n (^xain[)lt>s of tliis s|)(‘cirs. 'riu> most (*los(‘ly r<'lato(l 
Palaeozoic species is probably h*. a^'ipcr ((’uslinmii and \Vat<>rs, ll)2<S, p. ,‘}7, 
pi. iv., 7), from tlu‘ Pennsylvanian of ''Pt'xas, IbS.A. 'riiis is miu^li like 
if, sub(ispct\ particularly when the specimens of tbe latUa* havt^ lost (lir» early 
.arcuate sf'ries of chamlxu's. 'File two may, howt'vei’, Ixi distin^uishod by tFe 
final chamber which in the Australian spt'cies is always wi<fer than any other, 
while that in /f. <tHper is narrowta* than tlie [^(‘nult.imate clamilx'r. 
Reophax tricameratus. sp. no\ . 
Plate 1., li^. i:h 
Test t'ompos(Hl of a few (typic*ally thrtH-) chainlxM-s, incri'asiiit^ rapidly 
in size as afhUxl, (he last-formed <'haml)(‘r making up aJiout half llu^ length of 
the test ; axis of tt\st straight or slightly curved ; wa.ll com[)os(‘d of medium- 
sized sand grains, tiianly cemont(Hl ; suriiict' rou^h ; arfu'rtural end shield ly 
prodiuH>d ; ap('rt ut‘(> baaninal. 
J^en^t'h of h()lotyp(\ 1 • 7 mm. ; bn'adth, I mm. 
Holo(yp(‘ from SampN^ (> (LimjnUi beds). 
Tliis spt'cies is rt'[U‘es(ait'ed by tlu^ holoty]x> from Sa.m[)U' (> and six cruslaHl 
specimens from the W(‘ather(>d sliale sainpl(‘ (No. D). It appcxirs to b<‘ diftorent 
from any previousIy-d(\s(!ribi^d form. 
PAMIIA TROCHAIVIMINIDAE. 
SUB KAM I LV TROCHAMMININAE. 
(;ciius TROCHAMMINA Pnrkt‘r nnd Jones, ISo!). 
Trochammina subobtusa. sp. nov. 
I’late I,, figs, l+u -r. 
Test snbglo})ose, trochoid, s])ire low, und<‘r sid(‘ uml)illcaJ(>, <‘ompos('d of 
three whorls ; chambors str'ongly inflated, with four in the last-fornnxl whorl, 
the chambers of which an^ so much larger t han IJios(‘ in the preccxling whorls 
that they form tlu' gi*ea,tei' })art of the test ; sutures distinct and <lepressed ; 
wall finely arenacixms, with tla^ surfatx^ sinoothlx' finislusl but^ not- [ioHsIuhI ; 
aperture a-n arclu*d slit at- the bas<' of the last-formed (Jiamlxa*, opeming into 
the umbilic'-al depression. 
Diamob'r i)f holotype, 0*45 mm. ; lu'ighf., 0-24 mm. 
Holotyjie from Ham|)l(^ 0 (Ijuiguld IxhIs). 
This sjiecies is re[n*es(ait-(>d by six sjKH'imens, all of whi(*h are v(>ry v\(JI 
preserved. Trochaituninn o/vokm’u ('nsbman and Waters ( M)27a, 152, pi. 
xxvii., tigs. 4a c), descritxxl from tlio Ptainsy Ivanian of O’exas, U.S.A., shows 
a similar arrangiaruait of tlu^ (Ojambers, but- is nuuJi tlattoiu'd and spr(xiding 
and the wall is ratb(>r eoarsfJy arenaeeous. 
Phylum ANNELIDA. 
(lass (DAETOIDDA. 
Suh-(nass POFAC HAETA. 
ORDER C’RYPTOUElfHALA (SEDENJ’AKIA OR 1TilR( OBA). 
Amphictene U) permiana, si), nov. 
Plate IT., tig. 5. 
Tube tliin, (Jrcnlar in soiTion, tapering slightly, foinied of fragments of 
siliceous sponge spicules arrangtul coiuxaitrically in a single layer. 
I^engtli of holotype (imnmpiete specimen), It -5 mm. ; diameter, l-l mm. 
