40 CTENOPHORES OF THE ATLANTIC COAST OF NORTH AMERICA 
Ocyropsis maculata. 
Ocyroé tachee, RANG, 1828, Mém. Soc. d. Hist. Nat. de Paris, tome 4, p. 318, planche 
20, figs. 1, 2, called O. maculata in the plate. 
Ocyroé maculata, Lesson, 1843, Hist. Zooph. Acal., p. 99.—Acassiz, A., 1865, 
North Amer. Acal., p. 25.—FEwkes, J. W., 1881, Bull. Mus. Comp. Zool. at 
Harvard College, vol. 8, p. 137, plate 4, figs. 1-4.—Acassiz, A., 1888, Bull. 
Mus. Comp. Zool. at Harvard College, vol. 15, p. 129, fig. 423.—Cuun, C., 
1898, Ctenophoren der Plankton-Expedition, p. 25.—MoseEr, 1903, Cteno- 
horen der Siboga-Expedition, p. 18, 1908, Abhandl. Akad. Mtinchen, Suppl. 
d. 1, Abhandl. 4, p. 66. 
Calymma trevirani, EscHsCHOLT2Z, 1829, Syst. der Acalephen, Pr 33, Taf. 2, fig. 5.— 
MERTENS, 1833, Mém. Acad. Sci. St. Pétersbourg, Sci. Math. Phys. et Nat., 
sér. 6, tome 2, p. 508, Taf. 5, Fign. 1-3. 
Ocyroé crystallina, FEwKEs, 1882, Bull. Mus. Comp. Zool. at Harvard College, vol. 
9, p. 281. 
We have no adequate account of this form, It appears to resemble 
O. crystallina, but there are 4 large, brownish spots in the muscular net- 
work on the inner sides of the oral lobes. These 4 spots render the animal 
very conspicuous. In other respects it appears to resemble O. crystallina. 
It is said to be widely distributed over the tropical Atlantic, having been 
found by Mertens off the African coast and by A. Agassiz at St. Vincent, 
West Indies. It has not been seen at Tortugas, Florida, where O. crys- 
tallina is sometimes abundant. Moser records it from Japan. It would 
be unprofitable to quote from the inadequate descriptions of this cteno- 
phore. A careful study of the animal is greatly to be desired. 
Moser, 1908, who studied only preserved specimens, states that the 
oral lobes of O. crystallina are evenly rounded, whereas those of O. macu- 
lata terminate in two points. Moser also states that she finds a small 
tentacle in O. maculata, but this requires confirmation, for no other 
observer has seen tentacles in Ocyropsis, and I am inclined to suspect 
that she may have had some species of Deiopea. 
Genus EURHAMPHA Gegenbaur, 1856. 
Eurhamphea, GEGENBAUR, 1856, Archiv fiir Naturgesch., Jahrg. 22, p. 193.—Fot, 
1869, Beitrag Anat. und Entwick. der Rippenquallen, Berlin, p. 1.—-CHUN, 1880, 
Ctenophoren des Golfes von Neapel, pp. 290, 295.—JONESCU, 1908, Jena. Zeit 
far Naturw., Bd. 43, p. 685. 
Mnemia, Sars, 1859, Nyt. Magazin for Naturvidensk., Bd. 10, p. 70. 
GENERIC CHARACTERS, 
Lobatz in which 2 thick, aboral, gelatinous, subconical projections 
of the auriculo-tentacular sides of the animal extend upward on both 
sides of the apical sense-organ, and each gives rise at its pointed aboral 
end to a simple, flexible tentacle. The 4 meridional subtentacular 
canals and their ciliary combs extend upward over these projections to 
their pointed ends. Numerous excretory pores containing a red fluid 
alternate with the combs of cilia and are regularly arranged along the 
courses of the 8 meridional canals. 
The type species is Eurhamphea vexilligera Gegenbaur, of the 
Mediterranean and tropical Atlantic, distinguished by its brilliant red 
fluorescent, probably defensive, substance which is cast out with remark- 
able suddenness if the animal be disturbed. 
