(58 CEYLON PEAEL OYSTEE EEPOET. 



STATIONS LV. to LX. Coral reefs and pearl banks, Gulf of Manaar ; depths 

 varying from 9 to 36 fathoms ; bottom nullipores and dead coral. 



ParapencBus mogiensis, Sicyonia cristata, Conchodytes meleagrince, Alpheus miersi, 

 Alpheus bis-incisus, var. stylirostris, Alpheus audouini, Synalpheus gravieri, 

 Synalpheus comatidorum, Synalpheus laticeps, Synalpheus biunguiculatus, Athanas 

 orientalis, Scyllarus sordidus. 



STATION LXL Northern end of Periya Paar ; depth 12 to 14 fathoms ; bottom 

 sand, nullipores and coral. 



Leucifer typus, Sicyonia cristata, Synalpheus gravieri, Athanas orientalis. 



STATION LXIV. From between South Modragam and Jagerboom paars along a line 

 south-west towards Kodramallai Point ; depth 4|- to 5|- fathoms ; bottom coarse 

 sand, with much fine green weed and small pearl oysters. 



Periclimenes vitiensis, Processa canaliculata. 



Aripu Reef; depth 5 fathoms. 



Parapenceus acclivis, Parapenmus anchoralis, Philonicus pectinatus, Urocaris 

 longicaudata, Scyllarus tuberculatum, 



STATION LXVIL Off south end of Mutwal Island; depth 10 to 14 fathoms; 

 bottom dead coral and nullipore. 



Synalpheus gravieri, Alpheus par alcy one, Alpheus miersi, Alpheus macrodactyhis. 



STATION LXVIIL From off Coppeluddi southwards to Navakaddua Paar ; depth 

 8 to 18-J- fathoms ; bottom nullipores, coral and muddy orbitolites sand. 

 Synalpheus comatidorum. 



STATION LXIX. North end of Chilaw Paar; depth 8 to 11 fathoms; bottom 

 yellow quartz sand with some coral fragments. 



Synalpheus biunguiculatus, Synalpheus comatulorum, Nauticaris unirecedens. 



MACRURA. 



Tribe: PEN^EIDEA. 



Family: PEN^EIDiE. 

 Penaeus, Fabricius, 1798. 



Penaeus canaliculars (Olivier). 



Palaemon canaliculatus, Olivier, 'Ency. Method.,' VIII., p. 660, 1811. 

 Penaus canaliculatus, Milne-Edwards, 'Hist. Nat. Crust.,' II., p. 414, 1837. 

 Penaeus canaliculatus, var. japonicus, Sp. Bate, '"Challenger" Macrura,' p. 245, 1888. 



Locality: Pearl banks, Gulf of Manaar (Station III.), 1 specimen very much 

 damaged. 



General distribution : Japan, Mauritius, Figi, Australia, Ceylon. 



