iQi 
CAtO l)i! ttJJDEAa. 
herbivorous animals * find them in abundance in the open 
Half a mile east of Cajo Flamenco, we passed close to 
the waves break furiously. They are 
the Piedras de Diego Perez (latitude 21“ 58' Ky- ) The 
to72TcenV^f " r;."' voint 
oL father only about 
T>?e^..n! ! ^ evening we M'ent on shore at Cayo de 
Piedias, two rocks connected together by breakers^ and 
S,'for n aT'”; ® On tiSeVct. 
ie3.' C W? ?',? “‘■■'"■y ‘lie .TnrdiniUo. many 
irriv o" “''"'I ^ fire-signals, 
nem-^ttrin ‘^^tremely precipitous on the side 
near the sea ; and towards the middle there is a small 
basin ot fresh water. AVe found a block of madrepore in 
tb^s f Doubtless 
ir estone U n 7” resembles Jura 
limestone, is a fragmentary rock. It would be well if this 
chain ot cayos which surrounds the island of Cuba were 
examined by geologists with the view of determining wl7t 
“ottom oftherr the 
formations the ’ ^7 belongs to the real tertiary 
dat7 nf °^^hich may be traced back to the 
phitefoS Z7 ^'““tof^hounding in remains of litho- • 
Fs Jnlv1,LS ^ rises above the waters 
IS oiitj breccia, or aggregate of madreporic fragments 
cemented by carbonate of lime, broken sLlls, and saFb 
t 18 important to examine, in each of the cayos, on what 
s i l edfices^ of moUusca 
still In ing, or those secondary and tertiary rocks which 
the^roduTof^*^ remains of coral they contain, seem to be 
p duct of our days. The gypsum of the cayos oppo- 
feel o7Sa7kVo7thUr«reT^^^^ ^'‘em 
Panicum and Oplismenua (ramalote ’) ^ l7rnn™r’ 
™r.SLTin "1 r 
•on.. i.land, bearVhe nareVf 
