NO. 9 



MARINE INVERTEBRATES, ALASKA — MacGINITIE 



99 



Caprellids 

 Idotaega entomon 

 I. sabini 



Unidentified tectibranch 

 Dendronotus frondosus 

 Arctic cod 



2 (2 species) 



2 (one with very early eggs) 



Rare 



I 



I 



12 (one very young) 



9-22-49 



Morning and afternoon : Surf medium light, with small swells. Great 

 amount of sediment in water. Gravel thrown up on beach. Animals 

 alongshore less numerous and less conspicuous. 



9-23-49 Morning: surf medium light, but heavier than yesterday. Waves of 

 a short period. Much sediment. A bank of gravel built up on the 

 beach. 



Arenicola glacialis 



Themisto libellula 

 Anonyx nugax 

 Melita jormosa 

 Unidentified amphipods 

 Cumacean 



Abundant. Some being washed in with 

 each wave. Some completely buried 

 by the washed-in gravel. 



Rare 



S 



Few 



2 (2 species) 



Evening: Surf becoming much rougher. 



Antinoe sarsi 

 Arenicola glacialis 



Hyperoche medusarum 

 Themisto libellula 

 Anonyx nugax 

 Acanthostepheia behringiensis 2 

 Melita jormosa Common 



Caprellid i large 



Snail I small 



Clams Few small 



Common, but not so plentiful as this 



morning 

 I 



Rare 

 Common 



