153. Leucophra Pertusa.
L. ovalis, gelatinosa, apice truncato obtusa altera latera suffossa. Oval gelatinous leucophra, the apex obtusely truncated, one side sunk down.
Gelatinous, yellow, and small, without any molecules; the forepart is truncated, the hind-part brought nearly to a point, with a kind of oval hole on one side. It was found in salt water.
154. Leucophra Fracta.
L. elongata, sinuato angulata subdepressa. Leucophra long, with sinuated angles, rather flat.
The body is white, gelatinous, and granulated; it changes its form considerably.
155. Leucophra Dilatata.
L. complanata, mutabilis, marginibus sinuatis. Smooth changeable leucophra, with a sinuated edge.
A gelatinous membrane, with a few grey molecules in the forepart, and a great number in the hinder-part; it is sometimes dilated into a triangular form, with sinuated sides; at other times the shape is more irregular and oblong.