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. — SehizomaveUa ( Lepralia ) auriculata Hassall, 1842. 
Ran ge. — J acksonion-Recent. 
Fig. 107. — Genus SehizomaveUa Canu and Bassler, 1917. 
A-H. SehizomaveUa auriculata Hassal, 1842. A. Zooecia, X 30. B. Zooec-ia with ovicells, 
X 50. G. Avieularia. (After Hindis, 1880.) D, E. Avicularian mandibles, X 85. F. Oper- 
culum, X 85. (After Waters, 1879.) G Operculum, X 85. (After Norman, 1903.) 
H, I. SehizomaveUa reticulato punctata Hindis, 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. SehizomaveUa montferrandi Savigny-Audouin, 1826. J, K. Mandibles, X 250 and 
X 85. L. Operculum, X 85. (After Waters, 190S.) 
M. SehizomaveUa porifera Smitt, 1867. Operculum, X 85. (After Nordgaard, 1905.) 
N-P. SehizomaveUa lineata Nordgaard, 1895. N. Operculum, X 85. O. Apertura, X 85. 
P. Operculum, X 85. (After Nordgaard, 1905.) 
Q, R. SehizomaveUa ambita Waters, 1889. Q. Operculum, X 85. (After Waters, 1889.) 
R. Operculum, X 85. (After Calvet, 1904.) 
The recent species are : 
SehizomaveUa ( Schizoporella ) harmsworthi Waters, 1900 (= Schizoporella 
reticulata punctata Hindis, 1877). 
SehizomaveUa ( Lepralia ) galeata Busk, 1859. 
SehizomaveUa ( Flustra ) montferrandi Savigny-Audouin, 1826. 
SehizomaveUa ( Schizoporella ) lineata Nordgaard, 1895. 
SehizomaveUa ( Escharella ) porifera Smitt, 1867. 
SehizomaveUa ( Schizoporella ) ambita Waters, 1889. 
SehizomaveUa ( Schizoporella ) scabra Waters. 
SehizomaveUa ( Schizoporella ) fayalensis Calvet, 1903. 
SehizomaveUa ( Lepralia ) auriculata Hassall, 1842. 
