1552 CRUSTACEA. 



Planes minutus; Atlantic Ocean, and occasionally found on both the American and 

 European coasts. 



Goniograpsus varius; Canaries; Mediterranean at Algiers, Nice, Italy; Crimea; Brit- 

 tany ; and probably at Rio Janeiro, Brazil. 



Sesarma rcticulata ; Key West and South Carolina, in United States ; and in South 

 Africa, according to M'Leay. 



Acanthopus planissimus ; West Indies ; Canaries ; Madeira ; Cape Town and Port Natal, 

 South Africa (also various tropical Pacific islands). 



Plagusia squamosa ; West Indies ; Key West, South Carolina, in United States ; 

 Canaries ; Madeira (also, Isle of France ; Indian Ocean ; Bed 

 Sea; Port Natal). 



Plagusia tomentosa; Chili; Cape Town (also, New Zealand). 



Albunaea symnista; Canaries; Mediterranean (also, Pondicherry) ; and if the A. oxy- 

 ophthalmus is the same species, it occurs in the West Indies, 

 and on the coast of South Carolina. 



Lithodes maia; Great Britain ; Shetlands; Norway; coast of Massachusetts (rare). 



Bernhardus streblonyx; Great Britain; France; Mediterranean; Norway; Massachu- 

 setts, in United States; (also Kamtschatka). 



Cenobita diogenes ; West Indies ; Mediterranean ; (Hawaii ?) 



Crangon vulgaris ; Great Britain ; France ; United States ; San Francisco and Puget's 

 Sound, Western America. 



Crangon boreas; Norway; Iceland; Greenland; Massachusetts (in fish), (also, Kamt- 

 schatka). 



Pandalus annulicornis; Scotland and Shetlands; Norway; Iceland; Massachusetts 

 (rare). 



Gonodactylus chiragrus; Mediterranean; Key West; (also, Red Sea; Port Natal, 

 South Africa; Isle of France; East Indies; Swan River, 

 Australia; Pacific Ocean, at Feejees, Tongatabu, &c.)' 



2. SPECIES COMMON TO B. AND C., THE AFRICO-EUROPEAN AND ORIENTAL SEAS. 



Mithrax dichotomus ; Mediterranean ; East Indies. 



Achaeus Cranchii ; Mediterranean ; Japan (probably same species). 



Actaea rufo-punctata ; Canaries and Mediterranean ; Isle of France, Indian Ocean. 



Thalamita admete; Canaries; Port Natal, South Africa; Red Sea; Indian Ocean and 



East Indies; Pacific Ocean, at the Feejees, Samoa, Hawaiian 



Islands, Wake's Island, &c. 

 Pilumnus Forskalii ; Canaries ; Red Sea. 

 Grapsus pictus ; see above. 



Grapsus strigosus ; Canaries ; South Africa ; Red Sea ; East Indies. 

 Goniograpsus messor ; Canaries; Port Natal, South Africa ; Red Sea; East Indies. 

 Planes minutus ; Atlantic; Japan. 

 Acanthopus planissimus ; see above. 



Plagusia tomentosa ; Chili ; South Africa ; New Zealand. 

 Plagusia squamosa ; see above. 



