28 BIBLIOGRAPHY OF [PART II. 



[Chenu, Bibliotheque Conchyliologique.] 

 Page. PI. Fig. Niune . 



28 iv 1 Anciilotus melanoides Conr. 



28 iv 10 nigrescens Conr. 



• [The Synopsis here /ollows on p. 29. Page 30 commences 



with U. dilatatus, page 31 with Unio niger, page 32 with 

 Unio trapezoides, and page 33 contains all the Notes on the 

 Synopsis. I have not repeated it here, it having been given on 

 p. 26 of Part I.— W. G. B.] 



C. S. Rafinesqiie. — Monographie des Coqiiilles 

 Bivalves-Fluviatiles de la Riviere Ohio. Paris, 1845. 



[See page 1 of P<>rt I. There is a frontispiece of Alas- 

 modonta undulata not given in the original. I omit the 

 localities given in Cheuu's reprint. — W. G. B.] 



Family PEDIFERIA. 



Sub-Family Uiiioiiidia. 



Genus UNIO. 



Sub-Genus Elliptic. 



10 i 1-4 Unio nigra /?"/. 



10 var. fusca Raf. 



10 maculata Raf. 



11 crassa .S'"^. 

 11 viridis Raf. 



11 var. radiata Raf. 



11 fuscata Raf. 



11 fasciata Raf. 



11 var. nigrofasciata Raf. 



11 alternata Ruf. 



11 cuprea Raf 



12 Caroliniana Bosc. 



12 plicata Lcs. ? ( = crassus Say.) 



12 purpurea Sai/. 



12 aurata R(f. 



12 pictorum Auct. 



Sub-Genus Leptodea. 



12 i 5-7 Unio leptodon Raf 



12 var. olivacea Raf 



12 semiradiata Raf. 



12 fragilis Raf. 



12 var. fuscata Raf. 



12 i 8-10 nervosa Raf 



