THE TYPES OF THE LAMARCK COLLECTION IN THE MUSEUM OF GENEVA 955 



by other authors and only enumerated by him in his monograph, have been 

 omitted from the list. 



In the discussion of the species, comments are made on the synonymy, generic 

 assignement and géographie distribution. The three dimensions given for ail types 

 throughout the paper represent the length x width x height of aperture of a spéci- 

 men, expressed in " mm ". 



Mitra pontificalis Lamarck, 1811 

 (Fig. 1) 



1798. Tabl. Encycl. Méth., pl. 370, fig. 2 a, b (figd. paralectotype) 

 1811. Mitra pontificalis Lamarck, Ann. Mus. d'Hist. Nat., 17:198, No.3 

 1822. Mitra pontificalis Lamarck, Anim. s. vert., 7:300 

 L'Océan des grandes Indes; mon cabinet; length 57 mm; mss. 5 ex. — 

 Collection Lamarck, Geneva: 3 spécimens. 



Dimensions 



Length 



Width 



Height of 

 Aperture 



Lectotype No. 1108/5/1 (Fig. 1) 



56.4 



20.5 



29.0 



Paralectotype No. 1108/5/2 



46.8 



19.9 



24.6 



Paralectotype No. 1108/5/3 



41.4 



18.5 



24.0 



The selected lectotype has 8 whorls and a worn protoconch ; it is creamy-white 

 in colour, ornamented with large orange maculations. Sculpture consists of deeply 

 punctate spiral striae, and suturai coronations; the siphonal fasciole is calloused 

 and spirally corded. Aperture moderately wide, smooth within, labial lip immature 

 and the columella has 4 folds. 



Mitra pontificalis is a synonym of M. stictica (Link 1807), a species which is 

 widely distributed throughout the tropical Indo-Pacific. 



Mitra puncticulata Lamarck, 1811 

 (Fig. 2) 



1811. Mitra puncticulata Lamarck, Ann. Mus. d'Hist. Nat., 17:198, No. 4 



1822. Mitra puncticulata Lamarck, Anim. s. vert., 7:300 



L'Océan Indien; mon cabinet; length 37 or 38 mm; mss. 1 ex. — Collection 

 Lamarck, Geneva: 1 spécimen. 



The holotype No. 1102/43: 38.8x 15.5x23.5 mm (Fig. 2) is extant in the 

 collection. The spécimen has 7 whorls and a worn apex ; it is off-white in colour, 



Rev. Suisse de Zool., T. 76, 1969. 



63 



