108 
our casks with rain water from a cistern. There are here several 
not find any fossils. Collections of plants were made at Punta 
Aguila, on extensive low sand dunes bordering the saline plains, 
on the two hills at the lighthouse ene) ina Haas - He ratects 
istic low forest, the t ic! 
we were fortunate to find back: of | Playa Sucia Bay. Lic fe are 
very abundant and of many species on the rocks and trees of 
this region, and many were taken to aid the studies of Professor 
L. W. Ridd 
lain by eruptive rocks, and a ond range of limestone hills 
back from the coast. A crimson morning-glory, seen in small 
quantities elsewhere in the arid region, was a floral feature at 
nta Montalv: 
anding on a small low cayo near the east ia of Montalva 
Harbor, called Islita de la Montalva, on the morning of March 4, 
n 
Indian shell-heap about 400 X 200 feet in area, and delighted 
to find on the surface many fragments of pottery, some of them 
celaaaees Paeniin d; the abundance of these frag- 
me indicat at this large shell-heap has not yet been 
te ie an eae 
Here we also observed a dyke of eruptive rocks apparently 
about 20 feet wide, with limestone on each side of it, and in the 
limestone near its contact with the eruptive two species of fossil 
ch any kin 
appear to be very rare in the limestone of the district, these 
corals are of scientific value 
The botany of this little ‘sland was uninteresting, excepting a 
