292 PROCEEDINGS OF THE NATIONAL MUSEUM. voL.xxn. 



West African localities. — Cape St. Vincent, Cape Verde Islands (A. 

 Milue-Ed wards) ; Goree Bay, Senegambia, 9 to 15 fathoms (Miers); St. 

 Thomas (Osorio); Loauda (Osorio). 



Genus LIOCARCINUS Stimpson. 

 =^PoriMnMS Leach. 



KEY TO THE WEST AFRICAN SPECIES OF THE GENUS LIOCARCINUS. 



A. Carapace and chelipeds covered with numerous transverse lines of granules 

 bordered with hair corrugatus 



A'. Carapace and chelipeds not covered with numerous transverse lines of granules 

 bordered with hair pusillus 



LIOCARCINUS CORRUGATUS (Pennant). 



Cancer corrugatus Pennant, Brit. Zool., IV, 1777, p. 5. 



Portunus corrugatus Bosc, Hist. Nat. Crust., 1, 1802, p. 217. — Miers, Ann. Mag. Nat. 



Hist. (5), VIII, 1881, p. 219. 

 Portunus strigilis Stimpson, Proc. Acad. Nat. Sci. Phila., X, 1858, p. 38. 



Range. — Europe; West Africa; Japan (Stimpson, Miers); Australia 

 (Miers). 



West African localities. — Oflt Fayal, Azores, 50 to 90 fathoms (Miers) ; 

 Canaries (Brulle) ; St. Vincent, Cape Verde Islands (Miers) ; Goree Bay, 

 Senegambia, 9 to 15 fathoms (Miers). 



LIOCARCINUS PUSILLUS (Leach). 



Portunus -pusillus Leach, Trans. Linn. Soc. London, XI, 1815, p. 318. 



Range. — Europe (in the Mediterranean to 450 meters); Azores (Bar- 

 rois); West Africa, including islands. 



West African localities. — Canaries (Miers); Goree Bay, Senegambia, 

 9 to 15 fathoms (Miers). 



Genus THALAMITA Latreille. 

 THALAMITA INTEGRA AFRICANA Miers. 

 Thalamita Integra A^ar. africana Miers, Ann. Mag. Nat. Hist. (5), VIII, 1881, p. 218. 



West African localities. — Canary Islands; Goree Bay, Senegambia, 

 9 to 15 fathoms (Miers); Saudade, St. Thomas, 750 meters altitude 

 (Osorio). 



Family CANCRID^. 



Genus ATELECYCLUS Leaeh. 



ATELECYCLUS ROTUNDATUS (Olivi). 



Cancer rotundatus Olivi, Zool. Adriat., 1792, p. 47, pi. ii, fig. 2. 

 Atelecyclus rotundatus Miers, Ann. Mag. Nat. Hist. (5), VIII, 1881, p. 220. 



Range. — Mediterranean ; West coast of France ; West Africa. 

 West African locality. — Goree Bay, Senegambia, 9 to 15 fathoms 

 (Miers). 



