[xvur.] 

 THE MOLLUSCA. 



Part II. Pelecypoda and Brachiopoda. 



By CHARLES HEDLEY, 

 Conchologiat, Australian Museum. 



ANOMIA, sp. 



A few disassociated upper valves, not specifically recognisable, 

 were gathered on the lagoon beach of Funafuti. 



A RCA ZEBRA, Swainsoti. 

 Reeve, Conch. Icon., ii., 1844, Area, pi. xi., sp. 69. 



Abundant under stones at low water in the lagoon. In this 

 Museum there are specimens from Trinity Bay, Queensland. 



It is doubtful whether A. occidentalis, Philippi, is distinct. If 

 not, the species has a circumequatorial range. 



A RCA MACULATA Sowerby. 

 Reeve, loc. cit., pi. xi., sp. 71. 



One living specimen obtained in the lagoon. 



First found by Cuming at Marutea, in the Paumotus. Speci- 

 mens are in this Museum from Aneiteum, New Hebrides. 



A RCA RET1CULATA, (UnifJin. 



Reeve, loc. cit., pi. xvi., spp. 108, 1 12 (as A. divaricata, Sowerby). 



Several disassociated valves of this world-wide species were 

 observed on the lagoon beach. 



The synonymy and range of this species have been examined at 

 length by Lischke.* 



ARCA VELATA, Sowerby. 

 Reeve, loc. cit., pi. xii., sp. 79. 



Common in blocks of coral in shallow water in the lagoon. 

 First obtained at Marutea, Paumotus, by Cuming. 



* Lischke Japan Meeres conchylien, ii., 1871, p. 142, iii., 1874, p. 107. 

 Smith adds A. dubia, Baird, to the list Proc. Zool. Soc., 1891, p. 431. 

 Further notes will be found in the Proc. Linn. Soc. N.S.W. (2), ix., 1894, 

 p. 180 ; Trans. Eoy. Soc. S.A., xix., 1895, p. 261 ; and Trans. Wagner Free 

 Inst. Sci., iii., 1898, p. 628. 



