168 



EXPEDITION TO POINT BARROW, ALASKA. 



It has been found on the eastern coast of North America north of Cape Cod, in Greenland, 

 tin- Mediterranean (tcste Snritt), and the Atlantic from the British islands to Spitsbergen and 

 Nova Xembla. 



3. LEIESCHARA SUBGRACILIS ( D Orb.) Smitt. 



This was very abundant off Point Franklin. It has been previously obtained in Labrador, 

 (Packard), Greenland (Fabridns and Liitken), Spitsbergen, and Nova Zeinbla (Swedish expeditious), 

 and north of Nova Xembla towards Fran/, Josef Laud (Austro-Hungarian Expedition). 



Membra nipoi-n- sp. and Dixcoptmt .' sp. were found incrusting tlie dead gastropod shells that 

 washed up on the beach. 



At least two other other species of Polyzoa, which at present cannot be determined, wero 

 dredged oft' Point Franklin. 



PORIFKRA. 



At least three large species of sponges, one (probably) keratose and two (or three f ) silicious 

 were dredged off Point Franklin. 



They were all obtained in considerable abundance, and are in a good state of preservation, but 

 are quite indeterminable with the resources at my command. They will have to be reserved for 

 future special study. 



SUMMARY OK CRUSTACEA AND PYCNOGONIDA. 



