132 BULLETIN OF THE 
cal projection. Corbule closed, with long peduncles, which are jointed and 
bear hydrothecæ, one on each joint. 
Martinique, 96 fms. 
Aglaophenia minuta, n. s. 
Trophosome : — Hydrocaulus one quarter to half an inch high, pinnately 
branched, not fascicled. Pinna alternate, with hydrothecæ closely crowded 
together. Hydrothecæ short, stout, and with dentate margin, Intrathecal 
ridge well marked, Supracalycine nematophores small. Mesial nematophore 
adnate to hydrotheca about half the depth of this organ. 
Gonosome unknown. 
Found in great abundance on an Alga over the fronds of which the hydrorhiza 
extends. 
32° 49 25" N., 77° 20' 30” W., 233 fms. 
Aglaophenia crenata, n. s. 
A. crenata differs from other members of the genus in having the margin of 
the hydrotheca almost smooth and crenate. In other respects it resembles 
A. gracilis. 
Gonesome unknown. 
41° 24! 45" N., 65° 35/ 30” W., 1242 fms. 
Aglaophenia robusta, n. s. 
This species has a very large, thick, fascicled hydrosome, which is branching, 
and gives rise to alternate pinnæ. Hydrothecæ with very long teeth on the 
margin. Mesial nematophore large, adnate, almost as long as the hydrotheca 
is deep. Supracalycine nematophores rising slightly above the rim of the 
hydrotheca. Color of hydrosome bright yellow and brown, 
Gonosome unknown, 
Montserrat, 88 fms. 
AGLAOPHENOPSIS, n. g. 
Generic Characters. — This genus has many resemblances to Kirchenpaur's 
subgenus Macrorhynchia and to Allman's Halicornaria. Unlike the former, 
the pinnæ retain their normal form, and do not bear gonophores. 
In Aglaophenopsis the mesial nematophore most proximally situated on the 
pinna is modified into a long, jointed stalk, which bears nematophores, and 
seems to protect gonangia, which arise from the stem below. In Halicornaria, 
as limited by Allman, there are similar jointed appendages, but they are not 
confined to the proximal hydrotheca. The two genera are easily distinguished. 
In Cladocarpus similar unjointed appendages are found, but these structures in 
this genus, called phylactogonia, are branched, antler-shaped. 
