JR-47-78 June 29, 1978 - 11:00 A.M. 
Bahia De La Paz 
about 2 miles south of Pichilingue 
Baja California Sur 
Mexico 
sheltered bay with mangrove fringe; 
Littorina penicillata rare on rocks 
salinity 35%„ 
ca 24.15 N; 110.20 W 
JR-48-78 June 29, 1978 - 12:00 Noon 
Same locality as JR-39-78 
24.10 N; 110.18 W 
JR-49-78 June 29, 1978 
south side Bahia De La Paz 
ferry dock, end Sinaloa St. 
La Paz 
Baja, California -Dei Sur 
Mexico 
Pecten Shells from fishery; Salinity 33% 
ca 24.10 N; 110.18 W 
