250 



Inst., Miscell. Coll., v. 49, 1907, p. 142; Rathbux, 1. c, p. 331, pi. 2, f. 9, textfig. 13. 



Hab. China Sea, Japan, Gulf of Siam. In Meroc qimdrata. 

 P. pectinicolus Burger, 1. c, p. 365, pi. 9, f. i, pi. 10, f. i; Nobili, Ann. Sc. Nat. (9), t. 4, 



1906, p. 303. Hab. Philippines and Red Sea. In Pectcn radiila. 

 P. perezi Nobili, Buil. Mus. Paris, t. 11, 1905, p. 164; Buil. Scient. France et Belgique, t. 40, 



190Ó, p. 147, pi. 5, f. 25. Hab. Persian Gulf. 

 P. pernicohis Burger, 1. c, p. 375, pi. 9, f. 17, pi. 10, f. 16; Nobili, Ann. mus. civ. stor. 



nat. Geneva (2), t. 20, 1899, p. 264; Nobili, Ann. Sc. Nat. (9), t. 4, 1906, p. 303 . 



Hab. Philippines, New Guinea and Red Sea. 

 P. pJioIadis de Haan (= P. pisoides Ortmann), Faun. Japon., Crust., 1S35, p. 63, pi. 16, 



f. 7; Ortmann, Zool. Jahrb., Syst., Bd 7, 1S94, p. 69S, pi. 23, f. 1 1 -, Adensamer, 



Ann. Hofmus. Wien, Bd 12, 1897, p. 107. Hab. Japan. 

 P. pihunnoides Nobili, Buil. Mus. Paris, t. 11, 1905, p. 410 ; Nobili, Ann. Sc. Nat. (9), t. 4, 



1906, p. 307, textfig. 12; Laurie, Journ. Linn. Soc. London, v. 31, 1915, p. 466. 



Hab. Red Sea. In sponges and Holothurians. 

 P. pisitin (Linné) Latreille. Literature : Adensamer, Ann. Hofmus. Wien, Bd 12, 1897, p. 106; 



Borradaile, Brit. Antarct. "Terra Nova" Exp., v. 3, n" 2, 19 16, p. 100, textfig. 12. 



Flab. New Zealand. 

 P. piacunae Hornell et Southwell, Rep. Gov. Baroda Mar. Zool. Okhamandal, prt i, 1909, 



p. 99, figs. Hab. British India. 

 P. p7irptire2is Alcock, 1. c, p. 339; 111. Zool. "Investigator", Crust., prt 10, 1903, pi. 62, 



f. 6; Borradaile, Faun. Geogr. Maldives etc, v. i, 1903, p. 43 1 ; Nobili, Ann. 



Sc. Nat. (9), t. 4, 1906, p. 303. Hab. Andamans, Felidu Atoll and Red Sea. 

 P. quadratiis Rathbun, 1. c, p. 333, textfig. 15. See also the present paper, p. 261. Hab. Gulf 



of Siam. 

 P. rhovibifer Burger, 1. c, p. 374, pi. 9, f. 15, pi. 10, f. 14. Hab. Philippines. In Pectimculiis 



aziriflims . 

 P. ridgewayi Southwell, Ceylon Mar. Biol. Rep., v. i, prt 5, 191 1, p. 224, figs. Hab. Ceylon. 

 P. rotiindatiis Burger, 1. c, p. 378, pi. 9, f. 21, pi. 10, f. 19. Hab. Philippines. In Circe. 

 P. rouxi H. Milne-Edwards nee Paulson, Ann. Sc. Nat. (3), t. 20, 1S53, p. 218, pi. 11, f. 7. 



Hab. Indian Ocean. 

 P. schaninslandi Lenz. Zool. Jahrb., Syst., Bd 14, 1901, p. 468, pi. 32, f. 15 — 18. Hab. New 



Zealand. In Mytilus. 

 P. seDipcri Burger, 1. c, p. 382, pl. 9, f. 28, pi. 10, f. 27. Hab. Java. In cloaca of HoIotJmria 



fiisco-cinerea. 

 P. siiiiilis Burger, 1. c, p. 373, pl. 9, f. 14. Hab. Philippines. 



P. sociiis Lanchester, Proc. Zool. Soc. London, 1901, p. 551, pl. n^ f. 3. Hab. Penang. 

 P. tcnuipcs Burger nee Borradaile, 1. c, p. 371, pl. 9, f. 11, pl. 10, f. 11. Hab. Philippines. 



In a Holothurian. 



P. irichopus n. sp. .See the present paper, p. 256. Hab. Moluccas. In Melcagriiia. 



102 



