THE TYPES OF THE LAMARCK COLLECTION IN THE MUSEUM OF GENEVA 973 



Dimensions 





Width 



Height of 

 Aperture 



Lectotype No. 1 102/66/1— spec. juv. (Fig. 28) 

 Paralectotype No. 1102/66/2 — spec. juv. 



27.4 

 26.7 



12.0 

 10.3 



15.6 

 14.2 



The larger spécimen has been selected as the lectotype of M. cornea Lamarck. 

 The spécimen is immature, and has 6 whorls apart from a missing protoconch; it 

 is uniformly brown in colour, covered with patches of a dark brown periostracum. 

 Sculpture consists of fine spiral striae, which are also finely punctate in the 

 paralectotype; the siphonal fasciole has 8 strong spiral cords. The aperture is 

 moderately wide, smooth within, and the columella has 4 folds. 



Mitra cornea is a synonym of the Mediterranean-East Atlantic M. cornicula 

 (Linnaeus). 



Mitra tringa Lamarck, 1811 



1798. Tabl. Encycl. Méth., pl. 374, figs. 10 a, b 



1811. Mitra tringa Lamarck, Ann. Mus. d'Hist. Nat., 17:211, No. 41 



1822. Mitra tringa Lamarck, Anim. s. vert., 7:313 



La Méditerranée, les côtes d'Afrique; mon cabinet; length 24-25 mm; 

 Collection Lamarck, Geneva: None. 



The author of Voluta tringa is Linnaeus, 1758. It is a Mediterranean species 

 closely allied, if not synonymous with Pyrene rustica (Linnaeus), in the family 

 Columbellidae. 



Mitra fenestrata Lamarck, 1811 

 (Fig. 29) 



1798. Tabl. Encycl. Méth., pl. 372, figs. 3 a, b 



1811. Mitra fenestrata Lamarck, Ann. Mus. d'Hist. Nat., 17:212, No. 45 

 1822. Mitra fenestrata Lamarck, Anim. s. vert., 7:315 



1838. Mitra fenestrata Lamarck, Kiener, Spéc. gén. icon. coq. viv., p. 104, 

 pl. 31, fig. 104 



Les mers de l'Inde; mon cabinet; length 28-30 mm; mss. 1 ex. — Collection 

 Lamarck, Geneva: 2 spécimens. 



Lamarck's holotype No. 1102/67/1: 27.2 x 13.3 x 22.8 mm, is extant in the 

 collection. The type has been figured in the Encycl. Méth., and by Kiener. The 

 second spécimen présent in the collection, No. 1 102/67/2: 24.3 mm, is an undocu- 

 mented spécimen and possibly a later addition. The holotype has 8 whorls; it is 

 whitish in colour, ornamented with somewhat faded brown axial streaks which do 



