Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London

53. Venus perforans Montagu, 1803 [Venerupis corrugata (Gmelin, 1791)] 53.1 Exterior of right valve with registration disc for syntype EXEMS Moll3810. 53.2 Exterior and interior of left valve of syntype EXEMS Moll3810. 53.3 Interior of left valve and exterior of right valve of syntype EXEMS Moll3811. 54. Mya pholadia Montagu, 1803 [Rocellaria dubia (Pennant, 1777)] 54.1 Extract from register indicating identity as “Mya pholadia”. 54.2 Exterior of right valve and ventral gape of syntype EXEMS Moll3664. 54.3 Exterior and interior of left valve of syntype EXEMS Moll3665. 55. Bulla plumula Montagu, 1803 [Berthella plumula (Montagu, 1803)] 55.1 Green papered block with Montagu card attached. 55.2 Montagu hexagonal black card with 2 syntypes EXEMS Moll4042-3. 55.3 External and internal views of syntype EXEMS Moll4042. 56. Mytilus praecisus Montagu, 1803 [Sphenia binghami Turton, 1822] 56.1 Montagu label with shell attached and identified as lot 4292. 56.2 Internal views of right and left valves of unique syntype EXEMS Moll4249/1. 56.3 External view of left valve of unique syntype EXEMS Moll4249/1. 57.Ligula prismatica Montagu, 1808 [Abra prismatica (Montagu, 1808)] 57.1 Replacement box containing Montagu coll lot 3731-35. 57.2 Internal and external views of right and left valves of syntype EXEMS Moll3731.