INDEX TO THE GENEEA, &C. 



115 



Page. 



Scalaria, 47 



Scrobicularia, 90 



Sepia, 15 



Sepiola, 13 



Sidnyum, 109 



Skenea, 59 



Solen, 99 



Stylifer, 45 



Succinea, 33 



Syndosmya, 90 



Tellina, 88 



Terebratula, 74 



Teredo, 101 



Thracia, 97 



Trichotropis, 66 



Page. 



Triopa, 17 



Tritonia, 19 



Trochus, 69 



Turbo V. Littorina. 



Turritella, 60 



Turtonia, 95 



Unio, 82 



Valvata, 45 



Velutiua, 69 



Venus, 84 



Vertigo, 40 



Vitrina, 33 



Xylophaga, 101 



Zua, 38 



ABBREVIATIONS OF AUTHORS' NAMES. 



Aid. and Ilanc, Alder and Hancock. 



Bouch. Chant., Bouchard Chantereaux. 



Brod., Broderip. 



Brug., Bruguiere. 



Chemn., Chemnitz. 



Cuv., Cuvicr. 



Desli., Deshayes. 



Dillw., Dilhvyn. 



Don., Donovan. 



D'Orb., D'Orbigny. 



Edw. (M.), Milne' Edwards. 



Fab., O. Fabricius. 



Fer., Ferussac. 



Flem., Fleming. 



Forb. and Hani., Forbes and Hanley. 



Gmel., Gmelin. 



JefF., Jeffreys. 

 Johns., Johnston. 

 Lam., Lamark. 

 Lcuck., Leuckart. 

 Linn., Linnjeus. 

 Maeg., Macgillivray. 

 Mich., Michaud. 

 Mont., Montagu. 

 MiiU., Miiller. 

 Penn., Pennant. 

 Phil., Philippi. 

 Pult., Pultcney. 

 Sow., Sowerby. 

 Thomp., Thompson. 

 Turt., Turton. 



