5 The West American Scientist. 6 
which include large numbers of fos- 
sils, ost s and anomias. These have 
been described by Mr. Conrad, and are 
considered of Miocene age. In the de- 
bris of these ee beds I found frag- 
ments of the eat oyster (Ostre 
titan), ey Pane ah of the Miocene 
beds of the California coast. ew 
i similar 
peyote. pd brackish water.’’— 
Dre F: ‘e Cooper reports (in bulletin 
4, California state mining bureau, pages 
the discovery by H. W. 
Carrizo creek of ‘“‘fos- 
cor iat ex- 
to have oat islan 
orms u 
li late tertiary of Car- 
rizo creek beds, and apparently unlike 
those now inhabiting the Guif of Cali- 
fornia. 
Fra ts of ee rock 
ag Carboniferows age have been found 
n the ee ereek region by various 
ehgated but none in place have yet 
been reporte : 
The Indians, SS ek ipo 
Bowers, still preserve ory of 
catching fish along the sectors hase 3) 
he San Jacinto mountai here the 
Cahuilla Indians pointed out to him 
the artificial o or e fish 
traps,” where their ancestors easily se- 
eured the fish on ee receding 8 the 
tides of the ancient This would 
seem to indicate that ‘the change tibet 
n ar of ful comparatively 
recent, and a study of the fossils seems 
to confirm this view. n ol ndian 
in the ee nies = mountains pointed 
oO t iners ears ago points 
ut to 
in the hills to va gelirewe! where his 
_ evaporation and influx of fresh 
t 
great grandfather used to catch fish 
from the sea. 
e cause of the separation of this 
Paes Rape at eave water shells 
ina mi-fossi! condition, of a brack- 
ish Prag ollusk, and of marine shells 
species now u livi t 
Diego the Pacific side, would seem 
i that the great changes which 
this remarkable region th 
ev be! natural phenomena pt gradua 
pid, occurrence. Aft its iso- 
ition from the s a) 
atio few years 
eehatorin this basin from an eae of 
the a barren waste, the salt of 
the sea water forming the salt eed 
at Sa se 
er, Nae great basin changed first to 
a brackish lagoon, and finally to a vast 
fresh veal lake. 
The water of the Se caer river at 
Yuma is known to carry at high wa- 
t 
- 
° 
4 
o 
so 
i ] 
fo" 
=f 
sa | 
3 
oO 
n 
nm 
wo 
fa 
ot 
being converted at th 
the kage under control of the wa- 
ter from the Colorado river, into fields 
oe ee ruitute 1 promise, 
Dr. Robert ten oe Carter Stearns, in 
the Ca 
2 
ap: 
Ke] 
® 
oo 
[orm 
a 
face of the desert where this well wa 
i 
