CALLIANASSA SUBTERRANEA. 
Tas. XXXII. 
C. thorace anticé abrupté subacuminato, processus rostriformi unicarinato apice rotundato. 
Cancer astacus subterraneus. Mont. Trans. Linn. Soc. ix. 89. tab. i. fig. 1—2. 
Callianassa subterranea. Leach Edinb: Encyel. vii. 400. 
- Trans. Linn. Soc. xi. 343. 1. 
Fig. 1. Callianassa subterranea mag. nat. 2%. Antenna interior. 3. Antenna exterior. 
A. Pedipalpus. 5 et 6. Pedum par anticum mag. nat. 7. Pes secundi paris. 
9, Pes quartus. 10. Pes quinti paris. 
8. Pes tertius. 
The figure in the annexed plate is coloured from a drawing, done from the living animal, by 
Mrs. Dorville. 
C. subterranea was discovered by Montagu on the Southern coast of Devon, where it is not 
very uncommon. The larger fore leg is sometimes on the left, sometimes on the right side. 
Montagu has described a curious parasite, which is found under the sides of the thorax.— 
See Trans. Linn. Soc. ix. 103. 
