150 Records of the Indian Museum. [Vow. VII, 1912. | 
cally complete, statoblasts being produced in large numbers. P. 
testudinicola, like so many other Indian representatives of the 
Phylactolaemata, would appear, therefore, to be essentially a cold- 
weather form. On Hardella thurgi the zoaria grew over those of 
Hislopia lacustris and the zooecia were much less regular in their 
arrangement than when they were alone. The smooth shell of 
Kachuga lineata seemed, on the other hand, to encourage the 
production of the regularity and parallel growth so characteristic 
of the branches of the species. 
SOON OOOEEOOOESEOOESOEes SO SESS Test 
