166 Notes on the Cheilostomatous Polyzoa 



In my specimens the branching processes are considerably 

 more slender than in the specimen figured in the British 

 Museum Catalogue, and seldom inosculate. The ovieells are 

 galeate, sculptured, and frequently have a small avicularium 

 in front. 



6. M. perforata, P. McGr. Queenscliff; Tasmania, on 

 Delesseria and Lenormandia, Dr. Mueller. 



II. Gen. Lepralia, Johnst. 



1. L. pertusa, Johnst. 



2. L. ciliata, Johnst. 



3. L. canaliculata, P. McGr. Queenscliff. 



4. L. Candida, P. McG. Queenscliff. 



5. L. excavata, n. s., pi. II., fig. 4. Cells immersed, 



elongated, running in lines ; elongated areolae round 

 the margins, leaving a narrow smooth surface in 

 front ; mouth nearly vertical to the plane of the 

 polyzoary, its upper border armed with four straight 

 stiff spines, the lower lip with a deep notch, inside 

 the bottom of which is usually a small simple 

 denticle. 



The marginal areolation seems to consist of a series of 

 horizontal tubes, opening in front by oval pores, and occa- 

 sionally, from the anterior wall being destroyed, giving the 

 appearance of deep channels. 



Queenscliff, on mussel shell. 



6. L. lunata, n. s., pi. II., fig. 6. Cells rhomboidal, 



immersed, areolated at the margin ; mouth arched 

 above, straight below, with four or five spines on 

 the upper margin ; a lunate pore below the mouth ; 

 a large avicularium at one side of the mouth, man- 

 dible very long, pointed. 



Queenscliff, on mussel shell. 



7. L. elegans, n. s., pi. II, fig. 5. Cells diamond- shaped, 



irregularly oval or octagonal, quincuncial, separated 

 by a thick raised margin; mouth rounded, with a 

 slightly thickened lip; surface of cell areolated, the 

 areolae frequently radiating from an elevated portion 

 below the lower lip. 



