36 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



Material examined. — 

 A50-39. Bahia Caledonia, Panama; Apr 26, 1939; shore. 1?. 



Measurements. — The single female specimen in the collection meas- 

 ured 4.0 mm in length. 



Remarks. — Porcellanopsis soriata has been taken from shore to 37 

 fathoms, free-living and associated with corals and sponges. According 

 to Hay and Shore (1918), it is common in sponges dredged on the 

 fishing banks near Fort Macon, North Carolina, as many as 30 speci- 

 mens having been taken from a single sponge. 



