116 M10ROMPHALIA. 



Genus MICROMPHALIA, Ancey, 1882. 

 M. CALEDONICA, Crosse. PI. 24, figs. 76-78. Magn. f . 



Ina perforate, somewhat solid, subpellucid, finely lightly striate ; 

 olivaceous brown, irregularly maculate with a few chestnut-brown 

 transverse spots ; aperture with a basal lamina. 

 Diam. 9, alt. 5'25 mill. 



New Caledonia. 

 M. ABAX, Marie. PL 24, figs. 80, 81. 



Scarcely rimate, rather thin, longitudinally striate ; light yel- 

 lowish red, with rather close, trigonal chestnut-brown macula- 

 tions. the immersed suture bordered by a band of alternate dark 

 chestnut and white maculations ; aperture with a strong basal 

 plica, and sometimes an obsolete one above it. 



Diam. 13'5, alt. 7 mill. 



New Caledonia. 



M. VIEILLARDI, Crosse and Marie. PL 24, figs. 67, 68. 



Scarcely subrimate, striate, chestnut-brown, with whitish or 

 rosy-white maculations in the vicinity of the suture, becoming 

 smaller, and zigzagged below ; last whorl very obtusely cari- 

 nated ; lip black-margined, columella white, aperture with a basal 

 plica. Diam. 14, alt. 8 mill. 



New Caledonia. 



Var. j9. Subdepressed, slightly smaller, spire less elevated. 



The animal is blackish above, brownish posteriorly, rosy- 

 violaceous on the sides, the sole is light rosy-violaceous. 



M. BALADENSIS, Souverbie. PL 25, figs. 11, 12. 



Narrowly umbilicated, depressed, subdiscoidal, very thin, 

 striulate, shining, translucent ; light yellowish, lineolated with 

 oblique curved chestnut lines ; spire scarcely elevated, suture 

 deep ; aperture without plica. Diam. 5, alt. 2*3 mill. 



N. Caledonia. 



M. LOMBARDEAUI, Montrouzier. PL 27, figs. 20, 21. 



Very narrowly umbilicated, thin, rather distantly acutely 

 costulate-striate ; undulately tessellated with chestnut and yel- 

 lowish white ; aj erture profoundl} 7 bilamellate on the outer wall. 



Diam. 10, alt 7'5 mill. 



N. Caledonia. 



