CATALOGUE OF BRITISH CRUSTACEA. 21 



1. ATELECYCLUS SEPTEMDENTATUS. The Face-Crab. 



Cancer (Hippa) septemdentatus, Mont. Linn. Trans, xi. t. 1, f. 1. 

 Atelecyclus septemdentatus, Leach, Ed. Enc. vii. p. 430 ; Linn. 



Trans. Soc. xi. p. 313. 



Corystes (Clorodius) 7-dentata, Haan, Faun. Jap. p. 14. 

 Atelecyclus heterodon, Leach, Mai. Pod. Brit. t. ii. f. 1 4 ; Sa- 



mouelle, Ent. U. Comp. p. 83 ; Bell, Brit. Crust, p. 153. 



Old Man's-Face Crab (local name, Devon). 



a e. Bell Rock, Scotland. Presented by R. Stevenson, Esq., 



C.E. 

 /. k. Coast of Devon. From the collections of Col. Montagu and 



Dr. Leach. 



2. THIA. 



Thia, Leach, Linn. Trans, xi. p. 312. 

 Corystes (subg. Thia), Haan, Faun. Jap. p. 14. 



2. THIA POLITA. Polished Crab. 



Thia polita, Leach, Linn. Trans, xi. p. 312; Zool. Misc. ii. t. 103 ; 



Guer. Icon. R. A. Crust, t. 2, f. 3 ; M. Edw. Crust, ii. p. 144. 

 Cancer residuus, Herbst, p. 3, 53, t. 48, f. 1 ??? 

 Corystes (Thia) polita, Haan, Faun. Jap. p. 14. 



a. Ireland (Roundstone, Connemara). Presented by Dr. Scouler. 



2. CORYSTES. 



Corystes, Latr. Hist. Nat. Crust, vi. p. 121 (1803). 

 Corystes (subg. Corystes), Haan, Faun. Jap. p. 15. 

 Albunea, sp. Fair. Ent. Syst. Suppl. p. 397. 

 Cancer, sp. Penn. 



2. CORYSTES CASSIVELAUNUS. Pennants's Long-armed Crab. 



Cancer cassivelaunus, Penn. Brit. Zool. edit. 1777, iv. t. 7, p. 5, f. 



13 ; Herbst, i. t. xii. f. 72. $. 

 Cancer personatus, Herbst, t. xii. f. 71. $. 

 Albunea dentata, Fabr. Ent. Syst. SuppL 398; Lam. Syst. An. 



sans Vert. p. 156. 



