ERGASILIDJE. 299 



1. AnthosOxMa Smithii. Tab. XXXIII, fig. 9. 



Anthosoma Smituii, Leach, Enc. Brit. Supp., i, 406, t. 20, f. 1-6 ; 

 Ediiib. Encyclopaed., t. ISl ; Diet. Sc. Nat., 

 xiv. 533. 



— Desmarest, Cous. gen. Crust., 335, t. 50, f. 3. 



— Latreille, Cuv. Regue Aiiim., iv, 198 ; Enc. 



meth.,t. 335, f. 11-16. 



— G-uerin, Icon. Cuv. Regne Anim., t. 35, f. 9. 



— Griffith, An. Kingd. Crust., t. 21, f. 2. 



— Kroyer, Tidsskrift, ii. 295, t. 2, f. 2. 



— M. Edwards, Hist. Nat. Crust., iii, 483, t. 39, f. 5 ; 



Cuv. Regne Anim., edit. Crochart, 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, jRmo, 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- 

 nuhicci) thrown ashore at Exmouth, Devonshire, by T. 

 Smith, Esq., of the Temple, who sent it to Dr. Leach. 

 British Museum. 



Family ERGASILID^. 



Ekgasiliens, M. Edwards, Hist. Nat. Crust., iii, 476. 

 NicoTHOiDJi, I)ana, 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. Feet very small, and 

 branched. Abdomen well developed. 



