1360 MUTE LA 



Mutelina rostrata Bourguignat, Bull. Soc. Zool. Fr., II, 1886. 

 p. 488. — Germain, Arch. Zool. Exp. et Gen., (5), I, 1909, 



P-57- 

 Iridina ccclestis Lka, Syn., 1836, p. ^y ; Tr. Am. Phil. Soc, VI, 



1838, p. 82, pi. XXII, fig. 70; Obs., II, 1838, p. 82, pi. XXII, 



fig. 70. — SowERBY, Conch. Icon., XVI, 1868, pi. 11, fig. 3. 

 Platiris fSpntha) ccrlestis Lea. Syn., 1838, p. 33; 1852, p. 55; 



1870, p. 89. 

 Miitela ccclestis Clessin, Conch. Cab. Ano., 1876, p. 193, pi. 



XXV, figs. I, 2. 



Miitela subdiap liana Bourguignat, Moll. Fluv. Ny., 1883, p. 



5. — Simpson, Syn., 1900, p. qoG. 

 Mutelina tholloni Rochebrune, Bull. Mai. Soc. Fr., Ill, i< 



p. 7. 

 Mutelina thottoni Simpson^ Syn., 1900, p. 906. 

 Mutelina legumen Rochebrune, Bull. Mai. Soc. Fr., Ill, i^ 



p. 6. — Simpson, Syn., 1900, p. 906. 

 Mutelina prasina Rochebrune, Bull. Mai. Soc. Fr., Ill, 1886, 



p. 7. — Simpson, Syn., 1900, p. 906. 



Usually thin, dark olive-green and sharply pointed behind 

 on the median line. In most cases the nacre is deep blue-tinted 

 with violet and is brilliantly iridescent to rather dull. I have 

 before me a somewhat solid shell with salmon-tinted purplish 

 nacre, which is probably this. The shell gapes at the anterior 

 base and behind. 



MuTELA maeilli (Rochebrune) . 



"Shell elongate wedge-shape, rather heavy, short in front, 

 narrowly rounded, gaping ; elliptically subrostrate behind ; con- 

 centrically and deeply sulcate, radiate in front, broadly sul- 

 cate behind, covered with an undulating, striate epidermis at 

 the extremities ; dorsal margin at first nearly straight, then 

 incurved and extending in a long, compressed wing; ventral 

 margin nearly straight; umbones widely eroded, white tinged 

 with copper-color; epidermis olivaceous-brown; nacre bluish, 

 copper-color, shining. 



Length 75, height in front 16, in the middle 24, behind 26, 

 diam. 13 mm." (Rochebrune). 



Type locality, Gancini, Congo. 



