PROCEEDINQS 



OF THE 



WASHINGTON ACADEMY OF SCIENCES 



Vol. Ill, pp. 565-5 68. November 29, 1901 



PAPERS FROM THE HOPKINS STANFORD GALA- 

 PAGOS EXPEDITION, 1898-1899. 



VI. 

 THE ISOPODS. 



By Harriet Richardson, 



Collaborator, Smithsonian Institution. 



The Isopods, collected by the Hopkins Stanford Expedition, 

 comprise four species of which two, new to science, are here 

 described. One of the new species comes from Clipperton 

 Island ; the other was collected at sea about 300 miles north of 

 Galapagos. The two species previously known are for the first 

 time recorded from the localities cited. 



Family TANAID^. 



TANAIS STANFORDI sp. nov. 



Description of ]\Iale. — Head very broad at base, attenuated anteri- 

 orly, where it is produced straight forward, forming a sort of neck. 

 The anterior margin of this projection has a triangular median point, 

 on either side of which the first pair of antennae are inserted in the 

 depression formed by the median point and the acute antero-lateral 

 angles of the projection. The eyes, which are black and distinct, are 

 situated in these lateral angulations. The first pair of antennae are 

 composed of three joints each, the first joint very much elongated, 

 about equal to two-thirds the length of the head; the other two joints 



Proc. Wash. Acad. Sci., November, 1901. (565) 



