LERNENTOMA. 
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stuck over with cartilaginous spines or tubercles. The ovi- 
ferous tubes are very short, broad and flattened. 
Chondracanthus Zei, Delaroche. — Body short and 
thick; upper part of thorax covered with short, conical, 
sharp-pointed spines. 
Bound on the gills of the Zeus faber . 
Gen. 183. LERNENTOMA, Blainv. 
This genus differs from the last chiefly in the oviferous 
tubes being long, either club-shaped and stout, or slender 
and twisting. 
Lernentoma cornuta, Muller, sp. — Head oval, rather 
elongated in female ; head in male very large and swollen. 
The antennae project. In the female there are two pairs of 
thoracic appendages visible, each divided into two digitations. 
Length of female, three lines; of male, the quarter of a line. 
Bound by the late Mr. Thompson on the branchise of a 
sole caught in the Irish Sea. 
Lernentoma asellina, Linn. sp. — Male like that of last 
species ; the female has a small head placed at the end of a 
long slender neck ; the thorax is broad, and has two pairs 
