NO. 9 



MARINE INVERTEBRATES, ALASKA — MacGINITIE 



lOI 



Pycnogonids 



Egg collars of Polinices 



9-27-49 



9-28-49 



9-29-49 



9-30-49 



Few 



Few (some with other egg masses at- 

 tached) 

 Common 

 Few to common 

 Rare 



Alcyonidium discijorme 

 Tunicate (sp. i) 

 Tunicate (sp. 2) 



Morning : Surf medium, choppy. Water turbid. 



Evening: Surf heavier. Long swells. Surface water current moving 



southward. 

 Morning: Surf medium heavy. Short-period waves. Coarse gravel 



building up on beach. Steep bank forming. Surface water current 



moving southward. 



Morning: Surf medium light. Water turbid but relatively smooth. 

 Steep bank next to surf line. Evening: Small medusae washed on 

 shore. 



Morning: Surf light. Water smooth, clear. Very small swells par- 

 allel to shoreline. Very slight wind. The following animals were 

 in the water near shore : 



Small medusae Abundant 



Cyanea capillata I 



Bero'e cucumis 3 



Mertensia ovum Abundant 



