THE FAMILY ASTRORHIZIDiE 121 



Example. — B. conica, Jennings, ' Journ. Linn. 

 Soc, ZooL' vol. XXV. 1895, p. 320, pi. x. 



Test conical, height slightly greater than width 

 at the base. Composed of spicules closely arranged, 

 and pointing from the base to the apex. Base of 

 test attached by a small amount of whitish, possibly 

 calcareous, cement. Adherent on Botelliud tests. 

 Height about 1 mm. From the Faroe Channel at 

 440 fathoms. Beceiit. (Plate 5, fig. H.) 



Genus Batliij^iplion^ Saes. 



Test long, cylindrical, slightly tapering ; in the 

 form of a straight or curved tube open at both ends. 



Example. — B. fiUforniis, G. 0. Sars, 'Vidensk.- 

 Selsk. Forhandl.' 1871, p. 251 ; Brady, ' Eep. 

 " Chall." ' vol. ix. 1884, p. 248, pi. xxvi. figs. 15-20. 



This species has a very long and narrow tube, 

 often two inches in length. The walls of the test 

 are composed of felted spicules and fine sand. Colour 

 light grey or white ; sometimes yellowish brown. In 

 the living state the shell is filled with dark-coloured 

 or nearly black sarcode. 



It is a rare form, and has been recorded from the 

 Hardanger Fiord (M. Sars, G. 0. Sars, Norman), 

 Bay of Biscay (Norman, De Folin), Amboyna (Brady), 

 Arabian Sea (Chapman). Bcceiif. (Plate 5, fig. I.) 



Suh-favt/Ii/ 8. Sagcamminin^. 



Chambers nearly spherical ; walls thin, composed 

 of firml}" cemented sand-grains. 



