Fig. 
Fig. 
Figs. 
Figs. 
. 
= 
4) 
o), ak). 
ula Wea B24 
15-15. 
16. 
(406) 
PLATE NIII. 
ORTHOCERAS, TENUISTRIATUM (Elall)--2 yee. creas 5 
A large specimen, showing the longitudinal banding of the 
shell. Jacksonburg, Locality 174 A.” 
. A small fragment, showing the transverse markings of the 
shell. 
ORTHOCERAS) LENUMEE xt wintan lai) erertene sis = cysts yansteleslenene 
Lateral view of an incomplete specimen retaining the deli- 
cate surface markings. Jacksonburg, Locality 174 A. 
Surface markings of the same, much enlarged. 
CAMEROCERAS PROTEIFORME (Hall)..............-..-.. 
A fragment of a small siphonal cast. Near Springdale, 
Locality 156 A. 
ORTRMOCERAS (Spi Ud Glasierereersiaieieven stelle: obaicr siicneiel Seely eitskeaeusuereee 
. Jacksonburg, Locality 174 A. 
CONULARIA TRENTONENSIS Hall........ Stheketvate ter eae 
A nearly complete specimen. Jacksonburg, Locality 
De A 
Surface markings of the same, much enlarged. 
CHILTON SP oi cave tche melee si oicirs ier sticirel oi isiieitesieteusus) sr eflayeta enhanc ven cameras 
Two views of the only specimen observed. Jacksonburg, 
Locality 174 A. 
PEPER DIETAV OA B Ula M Risa (COMME cer scr aretate) aches cP enoie ct stctosere loners 
Views of a left and a right valve. Near Lliff's Pond, Lo- 
cality 137 A.’ 
TRPERDITHRIGA ORNATAY 1. SPs e/-/sichoieye cletele aisha edie ay ae bagels 
Left, right and ventral views of a complete specimen. 
Near lliff's Pond, Locality 137 A... (x8). 
BHURVCHILINA, OCULINERAy Me (SPti cies cccuclerseisrs hil cate cerovesers 
View of a left valve. Near Iliff's Pond, Locality 137 A.* 
(Se 
EURYCHILINA JERSEYENSIS Nh. Sp...... Sheen star Bans 5 Sietene 
View of a right valve. Near Iliff's Pond, Locality 137 A.* 
(x8). 
189 
190 
bab 
=| 
(Je) 
2OS 
210 
210 
