349 
Dr. Leach'^s Arrangoncnt of the Cvustocca, <^'C. 
ness of the quotation. I may observe (although I scarcely con- 
ceive it to be necessary) that when Linnaeus made use of the 
term “ the fingers of the third pair of feet in the above charac- 
ter, he included the pediform palpi as a pair ot feet. Unless the 
language be familiar to the reader, he might conceive that the 
Liimean species was not even referable to this genus, as the two 
interior pair of feet only have fingeis. 
Spec. 3. Fakemon varians. 
P. rostro recto supra 4- 5- aut 6-dentato apice integro ; infra 
bidentato. 
Habitat in Danrnoniae, Norfolcias mari vulgatissime. 
i\n sit Astacus Squilla Penna7it? 
Gen. 20. Athanas. 
Pedes quatuor antici didactyli, pari antico majore. Palpi pedi- 
formes articulo ultimo penultimo longiore. 
Spec. 1. Athanas nitescens. 
A. rostro recto inermi. 
Cancer {astacus) nitescens. Montagu, Mss. 
Habitat in Danrnoniae australis mari. 
DIVISIO VIII. 
Cauda utrinque lamellis duabus foliaceis flabellum efformantibus. 
Antennce exteriores squam^ magn^ ad basin. Pedes sexdecim. 
Gen. 21. Mysis, Latr., Leach. 
Cancer, 0th. Fair. 
Praunus, Leach. . .... 
Pedes bifidi parium 4 anticorum articulo ultimo lacini^ interiore 
uniarticulato, ovato, compresso, pedum aliorum multiarticu- 
2 z 2 ^ato. 
