REPORT ON THE RADIOLARIA. 1487 



12. Lithomitra australis, Haeckel. 



Lithocampe australis, Ehrenberg, 1844, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, p. 187. 

 Lithocampe australis, Haeckel, 1862, Monogr. d. RadioL, p. 315. 



Eucyrtidium australe, Elirenberg, ] 847, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, p. 43 ; 

 Mikrogeol., 1854, Taf. xxxv., A 21, fig. 18. 



Shell subcylindrical, smooth, with five deep strictures. The two middle joints somewhat 

 larger than the two proximal and the two distal joints. Pores small, circular, in regular, transverse 

 rows ; two rows in the first and the sixth joints, five rows in the second and the fifth, seven or 

 eight rows in the third and fourth joints. The two latter are twice as broad as long. 



Dimensions. Length of the shell (with six joints) 014 ; length of the four smaller joints 

 0-017, of the two larger joints 0'035 ; breadth 0'06. 



Habitat. Antarctic Sea (lat. 78 10' S., long. 162 W.) Eoss. 



13. Lithomitra eminens, Haeckel. 



Lithocampe &>ninetis, Stohr, 1880, Palseontogr., vol. xxvi. p. 102, Taf. iv. fig. 2. 



Shell subcylindrical, rough, with seven slight strictures. The two or three middle joints half 

 as long as the two preceding and the two following joints. Cephalis small, subspherical. Pores 

 small, in subregular, transverse rows, on the fifth and sixth joints only two rows, on the second, 

 third, seventh, and eighth joints four to five rows. 



Dimensions. Length of the shell (with eight joints) 0'27 ; length of the fifth and sixth joints 

 017, of the others 0'03 to 0'04 ; breadth 0'08. 



Habitat. Fossil in Tertiary rocks of Sicily, Grotte (Stohr). 



14. Lithomitra infundibulum, n. sp. (PL 79, fig. 5). 



Shell in the upper half subconical, in the lower half subcylindrical, rough, with four slight 

 strictures. Cephalis hemispherical. Thorax conical. Abdomen subcylindrical, three-jointed. 

 Pores of the second, third, and fourth joints funnel-shaped, with very small inner, and larger 

 double-contoured outer aperture ; on the thorax twelve transverse rows, on the third and fourth 

 joints five rows. Fifth joint with irregular, polygonal pores. 



Dimensions. Length of the shell (with five joints) 0'2 ; length of the thorax 0'06, breadth 

 0'08 ; length of each abdominal joint 0'04, breadth 0'08. 



Habitat. Central Pacific, Station 271, depth 2425 fathoms. 



Genus 647. Eucyrtidium, 1 Ehrenberg, 1847, Monatsber. d. k. preuss. Akad. 



d. Wiss. Berlin, p. 54. 



Definition. S ticliocorida (vel Stichocyrtida eradiata aperta) with ovate or 

 spindle-shaped shell, the mouth of which is constricted, but not prolonged into a tube. 

 Gephalis with a solid horn. 



1 Eucyrtidium=rNice small basket; tv, xt/n'S<o. 



