lOG 



COMPARATIVE TABLE OF 



Name. 



U. 2)itrpu.rea, ii. sp. 



U. dongata, ii. sp. 



U. kiiUikeri, n. sp. 



fj. radiala, n. sp. 



?7. penduhi, n. sp. 



f7. indua, ii. sp. 



[/. sp. 



Stalk. 



Axis. 



Long, flexible, quadrangu- 

 lar, with prominent 

 edges ; two distinct en- 

 largements. 



Large swelling at tlie 

 base. 



Quadrangular to oval in 

 section ; slight swelling 

 at junction with rachis. 



Long ; large swelling at 

 lower end with four 

 pronnnent ribs. 



Very long, with lari.: 

 swelling at basal end. 



Tapers gradually from a 

 large hollow terminal 

 swelling with four 

 " wings." 



Cylindrical, thin, with a 

 terminal swelling with 

 four wing-like projec- 

 tions; peculiar bend or 

 knee about half-way 

 up. 



Quadrangular in section, 

 with sides deeply 

 grooved. 



Rachis. 



Quadrangular in section 

 in lower part, circular 

 or oval higher u]!. 



Roughly quadrangular in 

 section. 



Oval in section, yellow in 

 colour. 



Quadrangular in section 

 in stalk, circular in 

 rachis. 



Short and swollen ; bi- 

 lateral. 



Long, radially 

 trical. 



svmme- 



Bilateral ; prominent 

 spine at origin of last 

 autozooid. 



Very long. 



Pendulous ; bilateral in 

 lower jiart, radial 

 above. 



Apparently radially 

 symmetrical. 



Thin and wedge-shaped 

 with a ridge. 



