ART. S A NEW VARIETY OF SPONGE WILSON AND PENNEY 9 



Lambe, L. M. 



1892. On Some Sponges from the Pacific Coast of Canada and Behring Sea. 



Transactions Royal Society of Canada for tlie year 1892. Section 

 IV. Ottawa. 



1893. Sponges from the Pacific Coast of Canada. Transactions Royal Soci- 



ety of Canada for the year 1893. Section IV. Ottawa. 



SCHULZE, F. E. 



1887. Report on the Scientific Results of the Voyage of H. M. S. Challenger. 



Zoology, vol. 21, Report on the Hexactinellida. Edinburgh. 

 1897. Revision des Systemes der Asconematiden und Rosselliden. Sitzungs- 



berichte der koaiglich preussischeu Akadeniie der Wissenschaften 



zu Berlin, vol. 26. 

 1899. Amerikanische Hexactinelliden. Fischer, Jena. 

 1904. Hexactinellida. Wissenschaftliche Ergebnisse der deutschen Tiefsee- 



Expedition, vol. 4, Fischer, Jena. 



TOPSENT, E. 



1901. Spongiaires. Expedition Antarctique Beige. Resultats du Voyage du 

 S. Y. Belgica. Anvers. 



EXPLANATION OF PLATES 



Plate 1 



The sponge, from the side ; actual height about 510 mm. 



Plate 2 



Figure 1. The sponge from above, X about one-third. 



2. Gastral membrane showing the autogastralia in place, the tangential 

 rays of the latter forming a reticulum with, in general, squarish 

 meshes. Photograph X 47. 



U. S. GOVERNMENT PRINTING OFFICE: 1930 



