198 General Notes. [February, 
dages, each consisting of a number of thread cells enclosed ina 
capsule and mounted on a small peduncle. 
' There are four radial tubes, and the ovaries are found along the 
course of these tubes instead of near the proboscis as might be 
expected in a gonophore destitute of marginal otocysts. Certain 
organs which are identified as ovaries and lie on radial tubes, are 
pigmented a black color. 
Each of the four radial tubes has, midway on its course, a slight 
enlargement forming a pocket into which it is not impossible that 
the young are dropped, and may be carried while the larva i$ 
passing through its younger stages. There is a very small Pe 
boscis, by which the Medusa is in part fastened to the body of! 
host (Fig. 4). 
Fig. 4. ne a ĝe Be" 
Fic. 4.—~Mnestra parasita attached to the edge of the body of Yo be Tiichod and 
tubes; d, body of Phyllirhoé ; u, umbrella. Fic. 5.—Section 0 pac of the fot- 
Mnestra body, showing how the umbrellaof the latter embraces the t 
er. Fic. 6.—Tentacle of Mnestra with side branches. 
Locality, Florida reefs. f Siphon | 
_ Abyla pentagona Forskal.—One of the few genera 0 waters 5 
phora which has not yet been recorded from American A sing 
near Tampa bay. . en ge bee 
Gleba hippopus Forskal.—The U. S. Fish Commission, iphon 
elsewhere? mentioned, found a single specimen of yo Blake ® 
phore off Nantucket, and a second was collected by t speci j 
taken from the Gulf of Mexico, near Tampa bay, the first ac | 
far as I know, that the genus has been mentioned from” — 
ity or the Gulf of Mexico,—/, Walter Fewkes. 
1, 3239 
* Bull. Mus. Comp. Zoöl., Vol. ix, No. 7, p. 275, Note. No. 8, figs. Pa 
