56 



Dr. G. J. IHnde on Radiolaria from the 



conical, nearly as long as the radius of the shell ; they are 

 inequidistant and do not seem to be all in the same plane. 

 The specimen is so infiltrated with dark, material that the 

 medullary shell cannot be distinguished. Diameter of test 

 •18 ; length of spines '06, basal thickness 'Olo millim. 

 Distribution. Broughton Heights, Peeblesshire. 



Triposphcera armata, sp. n. (PI. IV. fig. 11.) 

 The primary radial spines stout, styliform, nearly equi- 

 distant from each other, about as long as the radius of the 

 shell ; surface with numerous minute secondary spines. 

 Diameter of cortical test '15, of medullary test '065 ; length 

 of primary spines "08, thickness at base "016 ; length of secon- 

 dary spines '01 to '035 millim. 



Distribution, Abington, Lanarkshire. 



Detached spicules of Eadiolarift. — a-f. Three- and four-rayed spicules of 

 Spfifprozotnn pnWin», sp. ii. </,/). Sphanzointi pnfu!ut)u sp. u. : *?, 

 geminate, A, cruciform spicule. »'. A-, /, spicules of Ph ctoid Radiolaria. 

 All enlarged to the scale of 200 diameters. 



