THE FAMILY LITUOLID^ 137 



test, although, like the porcellanous type Keravw- 

 splicera, or the hyalme Gyj^sma globulus, in general 

 contour, in part resembles the hydroid Hijdr actinia, 

 in its concentric manner of growth and the vertical 

 pillars and septa, and in part shows affinities towards 

 the Hydrocorallines in exhibiting in section what 

 appear to be zooidal tubes disposed at intervals 

 through the coenenchyma, as in the allied genus 

 Stoliczaria from the Trias of Cashmere. 



Suh-faviil/j 1. LiTUOLiN.E. 



Test composed of coarse sand-grains, rough 

 externally ; often labyrinthic. 



Division A. — NoN-LABYEiNTmc Seeies. 



Genus BeojyJiax, Montfoet. 



Test free ; composed either of a single flask- 

 shaped chamber or of several, united in a straight, 

 curved, or irregular line ; never spiral. Jurassic to 

 Hecent. 



Examples. — jR. difflugiformis, Brady, 'Quart. 

 Journ. Micr. Sci.' vol. xix. N.S. 1879, p. 51, pi. iv. 

 figs. 3<7, h. 



This is a single-chambered form of Beoj^hax, 

 which has a wide range in modern deposits both as 

 to depth and locality. In fossil deposits its occur- 

 rence commences with the Ehaetic series in Somer- 

 setshire, described by the author ; and in the Jurassic 

 rocks of Switzerland, recorded by Haeusler. It also 



