BORRADAILE— ON THE PONTONIIN^ 391 



2. Pontonia nipponensis De Haan, 1850. 



Von Siebold's Fauna Japonica, Crust, p. 180. Borradaile, Ann. Mag. Nat. Hist. 

 (7), ii. p. 388 (1878). Balss, Abh. k. Bayer. Ak. Wiss., Math.-Phys. Kl. ii. Suppl. Bd. 10, 

 p. 53 (1914). 



Hymenocera nipponensis, De Haan, loc cit. PL 46, fig. 8 (1850). 



Japan. 



3. Pontonia mexicana Guerin, 1856. 



De la Sagra's Hist. Cuba. Eathbun, Bull. U. S. Fish. Comm. xx. ii. p. 122 (1901). 

 Ii Pontonia unidens, Kingsley, Proc. Ac. Philadelphia, 1879, p. 422, PI. 14, fig. 9 

 (1880). Borradaile, Ann. Mag. Nat. Hist. (7), ii. p. 389 (1898). 

 Mid-west Atlantic. 



4. Pontonia fiavomaculata Heller, 1864. 



Verh. zool.-bot. Ges. Wien, xiv. p. 51. Carus, Prodr. Faun. Medit. i. p. 475 

 (1885). Ortmann, Speng. Zool. Jahrb. Syst. v. p. 509 (1890). 



Pontonia diazonce, Joliet, Arch. Zool. Exper. x. p. 108 (1882). 



Pontonia phallusice, Marion, Ann. Mus. Nat. Hist. Marseille, Zool. i. (1883). 

 Gourret, Compt. Eend. civ. p. 187 (1887). 



Mediterranean, in ascidians. 



5. Pontonia hrevirostris Miers, 1884. 



"Alert" Crust, p. 562, PI. 51, fig. B. Borradaile, Ann. Mag. Nat. Hist. (7), 

 ii. p. 389 (1898). 



Seychelles, "in clamp (clam?) shells." 



6. Pontonia pinnae Ortmann, 1894. 



Jena. Denkschr. viii. p. 16, PL 1, fig. 3. Borradaile, Ann. Mag. Nat. Hist. 

 (7), ii. p. 389 (1898). Nobili, Ann. Sci. Nat. (9), iv. p. 65 (1906); BulL Sci. Fr. Belg. 

 xL p. 46, PL 4, fig. 11 (1906). 



? Cancer custos Forskal, Descrip. Anim. p. 94 (1775). 



Red Sea. E. Africa. In Pinna. 



7. Pontonia ascidicola Borradaile, 1898. 



Ann. Mag. Nat. Hist. (7), ii. p. 389; Willey's Zool. Eesults, iv. p. 409, PL 1, 

 fig. 6 (1899). 



New Britain, in ascidian. 



8. Pontonia grayi Eathbun, 1901. 



BulL. U. S. Fish Comm. xx. ii. p. 122. 

 Porto Eico. 



9. Pontonia californiensis Eathbun, 1902. 



Proc. U.S. Mus. xxiv. p. 902; Dec. Crust. N.W. America, p. 33, fig. 34 (1904). 

 California. 



