32 



BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 

 BATHYSIPHON RUFUS de Folin. 



Bathysiphon rufum de Folin, Act. Soc. Linn. Bordeaux, vol. 40 1886 p 9 83 

 pi. 6, figs. 8 a-c.-GoEs, Bull. Mus. Comp. Zool., vol. 29, 1896 p 23 pi l' 

 fig. IO.-Flint, Rep. U. S. Nat. Mus., 1897 (1899), p. 267, pi. 7.-Rh™b LE b! 

 Arch. Protistk., vol. 3, 1903, p. 270, fig. 118 (in text). 



17 a 



F SECTIO 7 N 21 x"r B A TTr N miF ° RMIS - 17 ' a ' SIDE VIEW ' X 4; b, END VIEW. X 5. 18, LONGITUDINAL 

 SECTION, X CO. 19, TRANSVERSE SECTION, VIEWED BY TRANSMITTED LIGHT, X 00. 20, LONGITUDINAL 



™szszs£szr x 6o - 2i ' — ™ ° ; ™ --"£ 



Description.-Test free, elongate, tapering, slightly curved, surface 

 with many irregularly placed constrictions, smooth and polished, wall 



