PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM 



issued lmi\K \i 0?Ml ^y '^' 



SMITHSONIAN INSTITUTION 

 U. S. NATIONAL MUSEUM 



Vol.9] WatHngton: 1941 No. 3125 



NEW SPECIES OF HYDKOIDS, MOSTLY FROM THE AT- 

 LANTIC OCEAN, IN THE UNITED STATES NATIONAL 

 MUSEUM 



Bv C. McLean Eraser 



A PAPER that might be called a progress report, including the de- 

 scription of new species from the first portion of a large United States 

 National Museum collection of hydroids, mostly from the North At- 

 lantic, was published in 1940.^ The examination of the remainder of 

 this collection has been completed, and the present paper serves to 

 report further on the new species in the collection. The whole of the 

 material has yielded more than 1,200 distribution records for 173 

 species. 



Although most of the material was obtained from the North Atlantic, 

 it happens that out of the 15 species here considered only 10 were 

 obtained in the Atlantic. The other five came from the west coast of 

 America, from Bering Sea to Panama. Two of the most interesting 

 species in the collection were together in the same vial from Thistle 

 Ledge, Stephens Pass, not far from Juneau, Alaska. For one of these 

 species it appears to be necessary to introduce not only a new genus 

 but also a new family (see p. 78) . The other species, Lampra uvularis, 

 belongs to a genus not previously reported from the Pacific coast of 

 North America. One from Bering Sea, one from near the Golden 

 Gate, Calif., and one from near Panama make up the other three 

 species. 



^ Fraser, C. McLean, Seven new species and one new genus of hydroids, mostly from the- 

 Atlantic Ocean. Proc. U. S. Nat. Mus., vol. 88, pp. 575-580, 1940. 



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