480 On neio Mollusca from New Caledonia^ Japan, ^-c. 



like .the Mediterranean M. cumana (Da Costa), but the con- 

 centric sulci are finer and closer, and the umbones somewhit 

 less prominent. 



Cardium euglt/ptum, sp. n. (PI. XIX. fig. 14.) 



Testa transverse oblonga, albida, postice fusco maculata, costis 

 radiantibus circiter 35, coufertis, creberrime arcuatim squamatis ; 

 umbones obtusiusculi, antice locati; margo dorsalis posticus 

 arcuatus, anticus truncatus ; area ligameuti elongate cordiformis. 

 Pagiua interna radiatim obscure lirata, postice pulcherrime fusco 

 maculata, ad marginem creuulata. 



Antero-post. 10, umbono-marg. 8 mm. 



. Hab. N. Caledonia. 



A pretty little shell with close-set radiating riblets, which 

 are closely crossed by small arched scales. The brown 

 markings on the posterior side show clearly and brightly in 

 the interior. 



Scinfilla clausa, sp. n. (PI. XIX. fig. 17.) 



Testa transverse ovalis, compressiuscula, nitida, pallide carnea, 

 clausa, concentrice obscurissime et irregular] ter coucentrice striata ; 

 umbones acuti, \ix elevati, antemedium locati ; margo dorsalis 

 anticus breviter declivis, posticus longior, arcuatus, ventralis 

 parum arcuatus vel rectiusculus; lateribus rotundatis. Pagina 

 interna leviter rugosa, impressiones musculares trigono-elougatis, 

 linea palealis arcuata, baud sinuata. 



Antero-post. 6, umbono-marg. 5 mm. 



IJah. New Caledonia. 



Compared with S. semiclausa, Sowerby, Proc. Zool. Soc. 

 1865, this shell is paler in colour, more oval in form, and 

 there is no hiatus between the valves. 



EXPLANATION OF PLATE XIX. 



Cla vatida denansi. 

 Haliotis crebrisculi>ta. 

 Mitra midtisulciit<t. 

 Turritella noumeensis. 

 Mitra f/labrilirata. 



sibui/a?ie>isis. 



Marginella bicatenata. 

 Conus vividus. 



egregius, 



Trij)Jiora himgerfordi. 

 Pitaria pygmcca. 

 Yolutii prei:ostiana, var. clara. 

 Macoina ccdedonica. 

 Cur dill m eugh/ptum. 

 Maco))ia indi^erens. 

 Tellina roblini. 

 Sciyitdhi c/aum. 



