512 
BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 
Affinities . — The few specimens found have not permitted a detailed study of 
this species. We are ignorant of the exact nature of the frontal pore. It is by 
analogy simply that we have classified the species in Galeopsis. 
Occurrence . — Midwayan (Clayton limestone) : One mile west of Fort Gaines, 
Georgia (rare). 
Cotypes. — Cat. No. 63826, U.S.N.M. 
A. Galeopsis 
B. Schizaropsis 
E. Gigantopora F. Gephyrophora G. Tessarodoma H. Tremotoichos 
Fig. 148. — Genera of the family Galeopsidae Jullien, 1903. 
A. Galeopsis rabidus Jullien, 1903, X 25. Recent. 
B. Schizaropsis convexa Canu and Bassler, 1917, X 20. Jacksonian of Mississippi. 
C. Haswellia australiensis Busk, 1S84, X 25. Recent. 
D. Semihaswellia proboscidea Waters. 1889, X 12. Recent. 
E. Gigantopora lyncoides Ridley, 1881. Recent. 
F. Gephyrophora polymorplia Busk, 1S84, X 25. Recent. 
G. Tessarodoma gracile Sars, 1S50, X 60. Recent. 
H. Tremotoichos rectifurcattnn Canu and Bassler, 1917, X 20, Jacksonian of North Carolina. 
C. Hasweilia 
D. Semihaswellia 
GALEOPSIS LONGICOLLIS, new species. 
Plate 66, fig. 1. 
Description . — The zoarium incrusts brvozoa. The zooecia are distinct, elon- 
gated, com^ex; the frontal bristles with hollow spines; the peristomie is very long , 
cylindrical, smooth. The spiramen is salient, transverse, elliptical, placed at the 
base of the peristomie; the peristomice is irregular, very oblique, suborbicular ; the 
peristome is thin and sometimes bears a quite small avicularium. 
rj (Lz= 0.75-1.00 mm. 
Measurements . — Zooecia 7 
0.35-0.40 mm. 
