38 CRUSTACEA. 



MACROPHTHALMUS Japonicus, De Haan, Faun. Jap. 54, t. 7,f. 



1, female, t. 15, /. 3, male. M. depressus, De Haan, (olim 



nee Ruppell). 

 a. Male. Japan. From the Leyden collection. 



Family GRAPSID^;. 

 SESARMA, Say. 



SESARMA tetragona, Edw. Crust, ii. 73. Cancer tetrag., Fair. 



Ent. Syst. Suppl. 341, 26. C. fascicularis, Herbst, t. 47, 



/. 5. Pachysoma tetrag., De Haan. F. J. 33. 

 . Female. Isle of France. From the collection of Dr. Leach. 



SESARMA taeniolata, n. s. 



a, b. Male and female. Philippine Islands. From the collec- 

 tion of Mr. Cuming. 



SESARMA impressa, Edw. Crust, ii. 74. Hombr. $ Jacq. Voij. 

 au Pole Sud. t. 6,f. 5. Young ? 



a. 



SESARMA affinis. Pachysoma affinis, De Haan, Faun. Jap. t. 18, 

 f. 5. 



a, b. Male and female. Philippine Islands. From the collec- 

 tion of Mr. Cuming. 



SESARMA quadrata. Cane, quadr. Fabr. Grapsus (Pachysoma) 

 quadr. De Haan, Faun. Jap. t. 8,/. 3. 



a. Japan. From the Leyden collection. 



b. Young. Borneo. Presented by the Lords of the Admiralty. 



SESARMA subintegra, n. s. 



, b. Brazil. Presented by Lord Stuart de Eothesay. 



SESARMA intermedia. Grapsus (Pachysoma) intermedius, De 



Haan, Faun. Jap. t. 16,/. 5. 

 a. Young? Borneo. Presented by the Lords of the Admiralty. 



SESARMA cinerea, Edw. Crust, ii. 75. Grapsus cin., Bosc. i. t. 6, 

 /. 1. Ocypode reticulata, Say, Journ. Acad. Sc. Phil. i. 73, 

 t. 4, /. 5. Grapsus ret., Say, Journ. Acad. Sc. Phil. i. 442. 



a. United States. Presented by Thomas Say, Esq. 



b, c. Young. United States. From the collection of Dr. Leach. 

 d f. United States. Presented by Edward Doubleday, Esq. 



SESARMA Pisonii, Edw. Crust, ii. 76, t. 19, f. 4, 5. 



a. Female. Jamaica. From the collection of Dr. Leach. 



SESARMA helicoides, n. s. 



. Male. Philippine Islands. From the collection of Mr. Cu- 



ming. 



