112 PERCY SLADEN TRUST EXPEDITION. 



284. Mitra (Pusia) crocata. Lam. 



Loc. Saya dc Malha Banks : Station C 15, 55 fathoms, on bnnk of loose Lithothamnia- 

 rublile. 



285. Mitra (Swainsonia) filniv, Wood. 

 Loc. Chagos Archipelago. 



One specimen. 



^^ Von Martens * enumerates 127 species of Mitra and Turricula combined from 



this region, including Mauritius and Bourbon. 



Family Harpidae. 



286. Sarpa minor. Lam. 

 Loc. Chagos Archipelago. 



Var. crassa, Phil. (sp.). 



Occurring sparsely with the typical form. 



287. Huri^a striata, Lam. 

 Loc. Chagos Archipelago. 

 Of the form cabrHU, Fischer. 



288. Marpa ventricosa, Lam. 

 Loc. Seychelles : Praslin I. 



Chagos Archipelago. 

 From the latter locality a whitish variety was procured 



Family Volutidse. 



289. Lyria delessertiana (Petit). 



Loc. Cargados Carajos : Station B 2, 30 fathoms. 

 One finely coloured but much damaged example. 



Family Marginellidse. 



290. Marginella {Closia) sarda, Kien. 



Loc. Cargados Carajos : Station B 15, 30 fathoms, sandy and shelly bottom. 

 One fine, perfect, and large variety, measuring 19 x 11 nam. 



291. Marginella (Glabella) serrata, Gask. 

 Loc. Amirantes : S. Joseph I. 



A very worn example. 



* Von Martens, Molhisken der irniirithis und dcr Seychellen, p. 249 srqq. 



