1915] PALAEOZOIC FOSSILS FROM HupsoN Bay. 93 
PLATE. IIT. 
Pigs. 1 and 2—Phragmoceras nelsonense, Sp.. NOV... . 2... 2h cece da ee decease 83 
Fig. 1, Lateral view of a broken cast of a small specimen showing 
the septate region. The concave margin is considerably restored 
and is doubtful. 
Fig. 2, Lateral view of the chamber of habitation showing the beaded 
posterior margin. 
PaaS OL ET OS COV CMLENSS, SP MOD. A settee 1s elas 42 22082 cad 6 archi ba Gl hon ah eed ee 86 
Lateral view of the only specimen. 
rae CCHS. SPN ENGEL nh SA ns NE tia) Sisko. 2 ccd 2 Soc elas Diitsls, sds Sr eh Oe 76 
Lateral view of the septate portion. 
Hive) 5 AF GLMOGCeraS WHUNEYE, SPi MOV... oe =o. 3) 2 os ble eee welds eae ee eoe ees vai 
Lateral view of the cast of the chamber of habitation, X ¥%. 
Pes OP EnMIMCHOLEL OS FOTUNT SPs MOUs |< in.) -)s)2le <5 ooo cis wee Sa A eee Saas 78 
The only specimen. Shows portion of the test of the chamber of 
habitation and a cast of the aperture. 
ae ROEM MSUS Pa ASEICE Cae cae i, haha ela a chistes Sod SSUe as hk Ree AL Lee 69 
Cast of three whorls. 
Figs. 8, 9 and 10o—Barrandella (?) mesoplicata, sp. NOV.... 0... ce ec cece eee 52 
Fig. 8, The pedicle valve. 
Fig. 9, Anterior view of the same specimen. 
Fig. 10, Lateral view of the same specimen. 
Bie hE Glassta VUxtaHts, “WHUEAVES, VOP f2 08 S50) o alee os ok sb wc ee eee awa 50 
The pedicle valve. 
Bis tk 2A I DIEXMUS SCUCENENSTS; SP NOD cic. 5:0 seeds leealuit so Gala he ede neler as 36 
Interior of a corallite. Restored from several specimens, X 3. 
GES PILE IES, PeCET Chae Na eis Siok it et ivaas NU se aie Nar eek. odd Dieme a A aR aaNA afte She 53 
The only specimen, partly imbedded in matrix. 
pee AD ROI S7)a TIED = Sco cishla's 6 aks a areal oad ee ks hy ACEO ei tee 69 
Cast with apex restored. 
Figs. 15 and 16—Euomphalopterus tyrrellt, spb. nov.... 20.2.0. ee ce cee ee 63 
Fig. 15, Restoration of the type specimen. Size and general shape 
and curvature are correct. The ornamentation has been entirely 
restored from traces on the mould. The flat upper part of the whorl 
is possibly a little too wide, X ¥%. 
Fig. 16, Vertical section through half of the shell, showing the shape 
and relationship of the whorls. The cast is shown in solid lines and 
the probable outline of the shell in dotted lines, X %4. 
PLATE IV. 
Digs: t and '2—Poleunita hudsonicd, SP MO so). ai. hs) i)s ora) dais wale aed gre das eases 67 
Fig. 1, Apical view, cast of interior. 
Fig. 2, Lateral view, cast of interior. 
Bigs —Horimaloma QCUuMmunala, SPs MOD. 2.42 65 D2 3 ies sale Dini w bg Gaividve wile. Gaialets dn of 
Cast of interior. 
IS AE OLOD CG: MILER SP) MOE = 2) ST han eet SPN SRS bl On, YW De thee UM oi wcbaheee 6.4 18 
Cast of interior. 
ice Oy IHEP O PNM SUAIEMED a8 fol obey sothet ) oe VS baa, bas via Wb eae U Rk cis in B BY hide Maida Bas 55 
Cast of interior. 
