202 



PROP. E. VON MARTENS ON THE SHELLS 



SPONDYLIDiE. 



273. Spondyltts plttrispinosus, Reeve, I. c. ix. pi. v. fig. 18. 

 Elphinstone Island. Philippines. 



274. Plicatula depressa, Lam., Chemnitz, Conch -Cab. viii. 

 fig. 482 ; Sowerby, Thesaur. i. pi. 90. fig. 7 ; Beeve, I. c. xix. pi. ii. 

 fig. 7. 



King Island. Singapore. 



Pectinid^). 



275. Pecten porphyreus, Chemnitz, Conch.-Cab. viii. fig. G32. 

 Pecten senatorius, Reeve, I. c. viii. pi. xxi. fig. 81. 



The ribs are tripartite ; whereas they are simple in the true 

 P. senatorius, Chemn. 



King Island. Red Sea, Mauritius, Salang, Moluccas. 



276. Pecten histrionicus, L., Chemnitz, viii. fig. 614; 

 Sowerby, Thes. fig. 240 ; Reeve, I. c. viii. pi. xxix. fig. 130. 



King Island. Ceylon. 



277. Pecten (Yola) pyxedatus, Born, Test. Mus. Cces. Vindob. 

 pi. 6. figs. 5, 6 ; Bhilippi, Abbild. Pecten, pi. 1. fig. 2 ; Sowerby, 

 Thes. figs. 34, 35 ; Beeve, I. c. viii. pi. xxiv. fig. 96. 



Upper valve brown, spotted with white. 



King Island, mud-banks exposed at spring-tide ; Sullivan 

 Island, 6 fathoms. Tranquebar, Philippines, China, Australia. 



278. Lima squamosa, Lam., Chemnitz, viii. fig. 650 ; Sowerby, 

 Thes. figs. 1 & 18 ; Beeve, I. c. xviii. pi. ii. fig. 10. 



Number of ribs somewhat variable. 



Mergui ; King Island ; Elphinstone Island. Tranquebar, 

 Ceylon, Singapore. 



279. Lima (Mantellum) eraotlis, Gmcl., Chemnitz, viii. 

 fig. 650 ; Sow. Thes. figs. 34-36; Beeve, I. c. xviii. pi. iv. fig. 18. 



lima linguatula, Lam. 



King Island; Elpliiiistorie Island; Owen Island, littoral. 



Nicobars, Singapore, Timor, New Guinea, Kingsmill Islands. 



A TLOVLIDM. 



280. Avicula (Meleagrina) margaritifera, L. (Bcarl 

 ()y.,hr) ; Chemnitz, viii. fig, 718 ; Beeve, I. c. x. pi. viii. fig. 21. 



