Fie. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
On 
Fic. 
Fic. 6. 
Fia. 
x 
Fic. 8. 
Fig. 9. 
Fic. 10. 
Fic, 11. 
Fic. 12. 
Fig. 13. 
Fia. 14. 
Fa. 15. 
Fia. 16. 
Fig. 17. 
PLATE 12. 
FASCIOLARIA (PIESTOCHEILUS) ALLENI ..-....-.--..----- Gods baao SoS. 
a. Side view; natural size. 
FUSUS UTAHENSIS ..--.----..-- ----0- -- 0-0 --- enn == o> === aye 
a. Side view of a natural cast in sandstone; natural size. 
MURRIETA YW SPEER ONEMAss sce) )eae aie scene aia enicteiek cialsinisetsiete pot 
a. Side view; enlarged to two diameters. 
EULIMELLA? CHRYSALLIS .....-.-..---- Byres EP Seales oiler 
a. Side view; enlarged to four diameters. 
EULIMELLA? INCONSPICUA ..--- Se Seen BE ane PADMA Ean acca oon oSdc 
a. Side view; enlarged to four diameters. 
MELAMPUS? ———? .......----. .----- --000- --- eee Fiat eee PAI NE 
a. Side view of a cast in sandstone; natural size. 
. NERITINA (VELATELLA) CARDITOIDES. ...-.. --.------- Sapage saga oac0 
a. Dorsal view ; natural size. 
NERITINA (VELATELLA) BELLATULA.........---..-- aya aed are ee wee 
a. Side view ; enlarged. 
b. Dorsal view of another example; enlarged. 
INTRON TINO ooo) 66 boo cben GobSos Fasc somoce aS BGbooE BOoboE 4 
a. Side view; enlarged to two diameters. 
b. Apical view of the same. 
e. An example with a part of the outer volution broken away, show- 
ing the lip and its subdentate inner border. 
INITDP ERM ENOA, TEVAONESTISIMDIRN S555 Shoah onudao Sogo boobus osoosEbadsedes ees 
a. Side view; natural size; showing pattern of color-marks. 
b. Apical view of another example. 
c. Apertural view of the same, showing the plain lip. 
MELAMP US? “AINTIQ WU Secs cel cia tyes eis eee ea RO PSE eg pe 
a. Side view of a young example; enlarged to four diameters. 
b. Apertural view of the same, showing armature of inner lip in the 
young state. 
c. Summit of the spire; greatly enlarged; showing the reversed apex. 
d. Fragment of a large example; natural size; showing full armature 
of inner lip of adult shell. 
OPHTODERMAV DBRID GURENSISiee eee ee esac ene eee ee eee eee eee eee 
a. View of Mr. Meek’s type specimen; enlarged to 14 diameters. 
BEAU MON TIA?) SOLU LA RTA ee eed eel cui is alaratcta le eter siege es 
a. View of the cleft side of a fragment of a corallum; natural size. 
b. Summit view of a group of corallites. 
c. Side view of a section cf a group of corallites; enlarged. 
CHATETES?? DIMISSUS......----.-- sales AU Lal Ce LO Re eS 
a. Branch of a corallum; natural size; showing the diverging coral- 
lites at broken ends of the branches. 
ANOMIA PROPATORIS......-. .---------- AN as ols ia RA ACIS te Ra 
a, Exterior view of upper valve; natural size. 
b. Lateral view of the same. 
CYR ENAY CARI DONT oooh ese OU Met RIL AT aT Sed ae PoE eta A UT Apa 
a. Left side view; natural size. 
b. Dorsal view of the same. 
WOAAONION, RAISIN Co Ges hb oce coos Pea SPCR oT HREI AE ee NO ARIEL Cane Mae EA PRL EE A 
a. Lateral view ; enlarged to five diameters. 
b. Apical view of the same. 
27 
26 
a) 
i4 
33 
