ERGASILJDiE. 
299 
1. AnthosOxMa Smithii. Tab. XXXIII, fig. 9. 
Anthosoma Smithii, Leach , Enc. Brit. Supp., i, 406, t. 20, f. 1-6 ; 
Edirib. Encyclopsed., t. 181 ; Diet. Sc. Nat., 
xiv. 533. 
— Desmarest , Cons. gen. Crust., 335, t. 50, f. 3. 
— Latreille , Cuv. Begne Anim., iv, 198 ; Enc. 
meth., t. 335, f. 11-16. 
— Guerin . Icon. Cuv. Begne Anim., t. 35, f. 9. 
— Griffith , An. Kingd. Crust., t. 21, f. 2. 
— Kroner, Tidsskrift, ii. 295, t. 2, f. 2. 
— AT.i^imrflfc,Hist.Nat. Crust. ,iii, 483, t. 39,f.5; 
Cuv. Begne Anim., edit. Cro chart. Crust., 
t. 79, f. 3. 
Caligus Smithii, Lamarck , An. s. Vert., v. 210. 
Caligus imbricatus, Risso, Hist. Nat. Crust. Nice, 162, t. 3, f. 13. 
Otrophesa imbricata, Risso, Hist. Nat. Eur. merid., v, 136, No. 190. 
Description . — Animal of an elongated oval form, about 
ten lines in length ; and of a ferruginous white colour, 
bordering upon yellow. When alive it has a black spot 
upon the middle of the head, which disappears after 
death. The dorsal elytraform appendages and the folia- 
ceous feet are sprinkled over with semitransparent spots. 
Hab . — Discovered sticking to a shark (the Lamna cor- 
nubica) thrown ashore at Exmouth, Devonshire, by T. 
Smith, Esq., of the Temple, who sent it to Dr. Leach. 
British Museum. 
Eamily EBGASILID^. 
Ergasiliens, M. Edwards , Hist. Nat. Crust., iii, 476. 
NicothoidxE, Dana, Proc. Am. Acad. Arts and Sc., 1849. 
Character . — Head of moderate size, and rounded. 
Body of an ovoid or pyriform shape, the thorax being 
sometimes much enlarged laterally. Eeet very small, and 
branched. Abdomen well developed. 
