Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Habitat.—Western Tropical Pacific, Station 225, depth 4475 fathoms.

8. Lithocampe aquilonaris, Haeckel.

Lithocampe aquilonaris, Haeckel, 1862, Monogr. d. Radiol., p. 317.

Eucyrtidium aquilonare, Bailey, 1856, Amer. Journ. Sci. and Arts, vol. xxii. p. 4, pl. i. fig. 9.

Shell smooth, subconical, with three distinct strictures. Four joints of different lengths, having the proportion 3 : 1 : 3 : 4. The fourth joint is the broadest, suddenly constricted, with a short tubular mouth of half the breadth. Pores subregular, circular, in transverse rows; three rows in the first joint, two in the second, four in the third, and three in the fourth joint.

Dimensions.—Length of the shell (with four joints) 0.11. Length of the single joints, a 0.03, b 0.01, c 0.03, d 0.04; breadth 0.06.

Habitat.—North Pacific, Kamtschatka (Bailey), Station 241, depth 2300 fathoms.

9. Lithocampe quadrarticulata, Haeckel.

Lithocampe quadrarticulata, Haeckel, 1862, Monogr. d. Radiol., p. 319.

Eucyrtidium quadrarticulatum, Ehrenberg, 1861, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, p. 299.