PLATE 16. 
Beroé ovata. 
Fic. 72. Immature, 30 mm. high, Willoughby Harbor, Hampton 
Roads, Virginia, October 31, 1904. Lateral diverticula 
from the meridional vessels close to outer surface; they 
occasionally anastomose but do not join with paragastric 
vessels. Yellow color apparently due to parasitic plant 
cells, 
Fic. 73. Mature, 1.5 times natural size. Key West, Florida, June 
7, 1897. 
Fic. 74. Young stage, showing an aberration quite often observed 
in the young wherein the subtentacular rows of combs 
are shorter than the subventral. Charleston Harbor, 
South Carolina, September 7, 1897. 
Fic. 75. Aboral pole of the ctenophore shown in figure 74. ad, 
adradial canal; f, funnel; fs, the two lateral funnel-tubes; 
g, paragastric vessel; 7, interradial canal; st, subtentacu- 
lar canal and row of combs; sv, subventral canal. 
