196 General Notes. [ February, 
easily seen through the bell walls. The remaining parts of the 
\ Medusa are the same as those of a larva a little older which is fig- 
ured in the Bulletin of the Museum of Comparative Zoology, 
Vol. vr, No. 8. Observations are needed to show what the func- 
tion of the cavity (c) is in the adult. 
emmaria gemmosa McCrady.—In the youngest larva of Gem- 
maria gemmosa, which has formerly 
been described, two well-devel 
summer, I took at Newport, R. 1,8 
still younger Gemmaria than these, 
which has. only one tentacle and the 
rudiment simply of a se ie 
tically opposite it, as show 
gure. 
It will thus be seen pee 
of Gemmaria, as far as the u 
tentacle goes, resembles Hybocode! 
and other unitentaculated gener 
is, however, possible that ye specr 
men was an imperfect one, an” 
the other tentacle had been destroye 
or possibly that its growth ha 
abnormally retarded. E 
Oceania languida A. Ag. — 
ae 
student of the group of Medu all 
Giese —G. gemmosa with one familiar with the tact that abno Nu- 
acie. 
. 
: e 
uent occurrence 
ties are of freq iJ] suffice: 
bad = variations in the number of tentacles, aoea £ 
and ot : i es 
er structures. Among the haat double ocellus 
ingle 
hag 
number. It seldom happens that the number of ae 
of many if | i / 
` y if not all the true Oceanidæ. Q. languida Ta 
ts an 
Newport with a perfectly formed bell but only ort 
tubes, two of which (1, 2) have normal ovaries (o) and ae Medo? 
blindly in the bell walls, half way between the center s á 
<2 ee th Amn aaia, p MC, OO 
2? Bull. Mus. Comp. Zodl., Vol. vit, No. 7. 
