328 
HISTORY OE BRITISH CRUSTACEA. 
of three-fingered appendages on the upper half; on the 
lower part there are three simple appendages. 
Found on the gills of Trig Ice, at Falmouth. 
Lernentoma Lophii, Johnston, sp. — The oviferous tubes 
in the female are very long, slender, and twisted. Head on 
each side with a process directed backwards. Thorax divided 
into four portions by as many contractions. 
Found on the Angler-fish (Lophius piscatorius), on the 
coasts of Great Britain and Ireland. 
Dr. Baird has named the second tribe 
Anchoracarpacea, from the species being fixed to their 
prey by means of two long appendages arising from the 
thorax ; these unite at the base or near the tip only, and 
end there in a rounded button-like knob. There are no 
thoracic feet or appendages representing them. In the family 
Lerneopodadce the arm-shaped appendages are long and 
united only at the tip. 
Gen. 184. LERNEOPODA, Blainv. 
In the female the body is elongated and oval ; the head 
short and thick ; there are two pairs of foot-jaws ; the ex- 
ternal ovaries are moderately long and cylindrical. In the 
