354 



BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 



arched. The frontal is a tremocyst. A median avicularium occurs on the front 

 wall. There are small oral glands. 23 tentacles. 



Genotype. Schizomavella (Lepralia) auriculata Hassall, 1842. 



Range. Jacksonion-Kecent. 



Q <85 



R 



N "85 p ,85 



FIG. 107. Genus Scliixomavella Canu and Bassler, 1917. 



A-H. Schizomavella auriculata Hassal, 1842. A. Zooeeia, X 30. B. Zooecia with ovicells, 

 X 50. C. Avicularia. (After Hincks, 1880.) D, E. Avicularian mandibles, X 85. F. Oper- 

 culum, X 85. (After Waters, 1879.) G Operculum, X 85. (After Norman, 1903.) 



H, I. Schisomavella reticulato punctata Hincks, 1877. H. Tentacular sheath with oral 

 glands attached near the oral aperture and connected to the lateral walls, X 85. (After 

 Waters, 1900.) I. Operculum, X 85. (After Nordgaard, 1906.) 



J-L. Schizomavella montferrandi Savigny-Audouin, 1826. J, K. Mandibles. X 250 and 

 X 85. L. Operculum, X 85. (After Waters, 1908.) 



M. Schizomavella port/era Smitt, 1867. Operculum, X 85. (After Nordgaard, 1905.) 



N-P. Schisomavella lineata Nordgaard, 1895. N. Operculum, X 85. O. Apertura, X 85. 

 P. Operculum, X 85. (After Nordgaard, 1905.) 



Q. R. Schisomavella ambita Waters, 1889. Q. Operculum, X 85. (After Waters, 1889.) 

 R. Operculum, X 85. (After Calvet, 1904.) 



The recent species are : 



Schizomavella (Schizoporella) harmsworthi Waters, 1900 (=Schi&oporella 

 reticulata punctata Hincks, 1877). 



Schizomavella (Lepralia) galeata Busk, 1859. 

 Schizomavella (Flustra) montferrandi Savigny-Audouin, 1826. 

 Schizomavella (Schizoporella) lineata Nordgaard. 1895. 

 Schizomavella (Escharella) porifera Smitt, 1867. 

 Schizomavella (Schizoporella) ambita Waters, 1889. 

 Schizomavella (Schizoporella) scabra Waters. 

 Schisomavella (Schisoporella) fayalensis Calvet, 1903. 

 Schizomavella (Lepralia) auriculata Hassall, 1842. 



