118 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



This is a tropical genus and Smitt's species, more easily accessible 

 for study, should be regarded as most typical. 



Fig. 26. — Genus Tremogasterina Canu, 1911 



A-D. Tremogasterina celleporoides Busk, 1884. A. Aspect of the zooecia and 

 of the large avicularia. (After Busk, 1884.) B, C. Opercula, X85. D. Forms 

 of avicularian mandibles, X85. E, F. Tremogasterina granulata Canu and 

 Bassler. Two forms of opercula, X 85. G. Tremogasterina lanceolata Canu and 

 Bassler. Operculum, X85. H-J. Tremogasterina celleporoides Busk. var. H. 

 Sketch of apertures, pores and avicularia. I, J. Operculum and avicularian 

 mandible, X85. (After Water's sketches.) 



TREMOGASTERINA CELLEPOROIDES Busk, 1884 



Plate 12, figs. 1-6 



1884. Lepralia celleporoides Busk, Polyzoa collected by Challenger., vol. 10, pt. 



30, p. 142, pi. 17, fig. 4. 

 1890. Lepralia mucronata Kirkpatrick, Hydroida and Polyzoa, Torres Strait, 



Scientific Proceedings Royal Dublin Society, new ser., vol. 6, p. 612. 



The various synonymies given by Waters, 1881-1887, are not exact 

 but the assembled forms are indeed of the same genus. The zoarium 



