32 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 28 



were washed ashore in such immense numbers that they formed wind- 

 rows along the beach. 



In order to obtain a more objective idea of the abundance of marine 

 invertebrates at Point Barrow, a rock with an average amount of 

 growth was measured, and the animals hving on it were removed, 

 preserved, and then identified and counted. This rock, which was 

 dredged on September 6, 1949, from a depth of 217 feet, was 22.5 cm. 

 long, 13.5 cm. wide, and 6.'j cm. thick. The following is a list of the 

 animals taken from this rock : 



Animals from measured rock 



Coelenterates (4+ sp., 11+ spec.)*: 

 Hydroids 

 Eunephthya rubiformis 



Number and description 



Several colonies 



7 colonies (measuring, in mm., when 



contracted, 8 x 4, 8 x 3, 7 x 4, 6 x 5, 



5 X 5, 4 X 4, and 4 X 3) 



: species; spec. =: specimens. 



