Dr. Leaon’s Arrangement of the Crustacea, óc. 349 
` 
ness of the quotation. I may observe (although I scarcely con- 
ceive it to be necessary) that when Linnæus 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 of feet. Unless the 
language be familiar to the reader, he might conceive that the 
Linnean species was not even referable to this genus, as the two 
interior pair of feet only have fingers. - 
Spec. 3. Palemon varians. 
P. rostro recto supra 4- 5- aut 6-dentato apice integro; infra 
bidentato. Ä TUE | 
Habitat in Danmoniz, Norfolciz mari vulgatissime. 
An sit Astacus Squilla Pennant ? 
| Gen. 20. ATHANAS. | 
Pedes quatuor antici didactyli, pari antico majore. Palpi pedi- 
formes articulo ultimo penultimo longiore. | m 
Spec. 1. Athanas nitescens. 
A. rostro recto inermi. 
Cancer (astacus) nitescens. Montagu, Mss. 
Habitat in Danmonie australis mari. 
DIVISIO VIII. 
. Cauda utrinque lamellis duabus foliaceis flabellum efformantibus. 
Antenne exteriores squamá magná ad basin. Pedes sexdecim. - 
Gen. 21. Mysis, Latr., Leach. 
Cancer, Oth. Fabr. 
Praunus, Leach. 
- Pedes bifidi parium 4 anticorum articulo ultimo lacinia interiore 
uniarticulato, ovato, compresso, pedum aliorum multiarticu- ` 
ts? lato. 
