GEBIA STELLATA. 
Tas. XXXI.---Fig. 1---9. 
G. abdomine toto crustaceo, cauda lamella exteriore rotundata, interiore subacuminata, manibus 
anticis lineis granulatis pilosis. 
Cancer astacus stellatus. Mont. Trans. Linn. Soc. ix. 89. tab. iii. f. 5. 
Gebia stellata. Leach Edinb. Encycl. vii. 400. 
- Trans. Linn. Soc. xi. 342. 1. 
Fig. 1. Gebia stellata mag. nat. 2. Antenna interior. 3. Antenna exterior. 4. Pedi- 
palpus. 5. Pes anticus. 6. Pessecundus. 7. Pestertius. 8. Cauda. 
Gebia stellata was discovered by Mr. Gibbs in the Kingsbridge Estuary ; it has likewise been 
taken on some of the shores of the Plymouth Sound, under the mud in which it makes winding 
horizontal passages, often of an hundred feet or more in length. 
GEBIA DELTURA. 
Fig. 9---10. 
G. abdomine dorso submembranaceo, cauda lamella exteriore apice subrotundata dilatata: inte- 
riore truncata deltéidea, manibus anticis lineis pilosis. 
Gebia deltaura. Leach Trans. Linn. Soc. xi. 342. 2. 
Fig. 9. Gebia deltura mag. nat. 10. Cauda. 
This species lives with Gebia stellata, with which it was confounded, until the distinctions 
were discovered by Mr. J. D. C. Sowerby. 
