978 



W. O. CERNOHORSKY 



Mitra coronaîa Lamarck, is the type-species of Chrysame H. & A. Adams, 

 1 853(= Nebularia Swainson, 1840). The species is widely distributed in the tropical 

 Indo-Pacific. 



Mitra zébra Lamarck, 1811 

 (Fig. 36) 



1798. Tabl. Encycl. Méth., pl. 372, figs. 8 a, b 



1811. Mitra zébra Lamarck, Ann. Mus. d'Hist. Nat., 17:215, No. 53 

 1822. Mitra paupercula Linnaeus, Lamarck, Anim. s. vert., 7:317 

 L'Océan indien ; mon cabinet; length 35 mm; mss. 8 ex. — Collection Lamarck, 

 Geneva: 1 spécimen. 



The remaining spécimen in the Lamarck collection No. 1 102/75 : 35.9 X 1 5.3 X 

 20.2 mm, is designated as the lectotype of M. zébra. The spécimen corresponds to 

 the given dimension and also has been figured in the Encycl. Méth.,. The wherea- 

 bouts of the other 7 syntypes is unknown. The lectotype has 8 whorls and a worn 

 protoconch; it is blackish in colour, ornamented with prominent white longitudinal 

 stripes. The shell is smooth apart from a few obsolète spiral striae near sutures and 

 spiral cords at the base. The aperture is constricted, brown and smooth within, 

 the labial lip is thickened with an interior callosity, smooth on the edge apart from 

 a few obsolète crenulations anteriorly; the columella has 4 folds. The number" 53 " 

 is written inside the aperture. 



M. zébra Lamarck, is a synonym of Mitra ( Strigatella ) paupercula (Linnaeus, 

 1758); it is the type-species of Strigatella (Swainson, 1840). Lamarck's M. zébra 

 var. B, which was described as spirally striate and lacking the sinuosity on the 

 labial lip, is a distinct Indian Océan species later named Voluta pica (Dillwyn, 

 1817), and Mitra pica Deshayes & Milne-Edwards, 1844 (synonym is M. tigrina 

 A. Adams, 1853). 



M. paupercula is a common species living throughout the tropical Indo-Pacific. 



Mitra cucumerina Lamarck, 1811 

 (Fig. 37) 



1811. Mitra cucumerina Lamarck, Ann. Mus. d'Hist. Nat., 17:215, No. 54 

 1822. Mitra cucumerina Lamarck, Anim. s. vert., 7:317 

 Habite...; mon cabinet; length 26.0mm; mss. 2 ex. — Collection Lamarck, 

 Geneva: 5 spécimens. 



Dimensions 



Length 



Width 



Height of 

 Aperture 



l ectotype No. 1102/76/2 (Fig. 37) 

 Paralectotype No. 1 102/76/1 



26.3 

 26.3 



13.9 

 15.3 



16.4 

 15.2 



