BRYOZOA FROM ZANZIBAR, 841 
grown over them. The zoarium is about 25 mm. high, dividing 
into many new branches at rather an acute angle. There are 
many zocecia, with long tubes all round the zoarium, with the 
oral aperture 0-09 mm.—O'l mm. There are 12 tentacles, and 
transverse sections show about 15-16 zoecia. 
The base of this species has not been seen, but #. proboscidea 
grows from a multiserial Stomatopora-like base, which often 
spreads for some distance before the erect growth commences. 
EL. defleca also starts from a Stomatopora base which is 
Text-figure 1. 
Entalophora wasinensis. * about 4. 
principally uniserial, though in places it may be biserial. The 
zocecia of this species, HZ. elegans Novm., and £. deflexa Couch, 
have the aperture about the same size and are allied ; and as the 
zoarial growth of H. elegans Norman ™* is similar, it is doubtful 
* * Polyzoa of Madeira,” Journ. Linn. Soc., Zool. vol. xxx. p. 281, pl. xxxv. figs. 4, 5 
(1909). 
