- 11 - 
JR-43-78 June 27, 1978 
Bahia de Palmas, Gulf of California 
Los Bar ri les L • / 4 c ' 
Baja California Sur 
Mexico 
large boulders scattered on sandy beach, Littorina 
penicillata on sunny side of rocks; Siphonar ia"with 
spiral egg masses on wave-splashed rocks-egg masses 
about 1" across (Kodachromes taken). 
JR-44-78 June 27, 1978 - 11:45 A.M 
Bahia San Lucas 
Cabo San Lucas i . J-oJ <*. 
Bfl \ a Ca 1 1 f r>rn i a Sur 
Mexico , az 
on jetty near ferry landing and next to canning factory. 
4 species of Littorina on rocks and in cracks of rocks; 
L_« pullata in wetter situations 
22.53 N; 109.54 W 
JR-45-78 June 27, 1978 ttoo-Zsoo P.M* 
Pacific Ocean, public beach betwee 
r ^ and San Jose Del Cabo ^ 
\ Baia California Sur 
Mexi 
ft *ft * 
b a t K 
\ 
4 species of Littorina on rocks 
ca 22.53 N; 109.54 W 
JR-46-78 June 29, 1978 - 8:30 - 10:00 A.M. 
Bahia De La Paz 3 ,, . t 
Public Beach north of Pichilingue 1 ‘ 
about 11 miles North of La Paz 
Bai a California Sur 
Mexico 
Littorina penicillata , Littorina sp., and various 
other mollusks from rocks on, under and in cracks) 
along rocky headland north of beach; many Nerita 
Few mangroves with few L. penicillata at base of 
Salinity 32-33% 0 
24.15 N: 110.20 W 
