OF CONCHOLOGY. 65 



REVISION OF M. PETIT'S CATALOGUE OF THE GENUS 

 MONOCONDYLCEA, D'ORB. 



BY CHARLES M. WHEATLEY, PHCENIXVILLE, PA. 



In Journal de Conchyliologie, 3d series, No. 1, January 1865, 

 M. Petit de la Saussaye publishes " Note on the genus Monocon- 

 dyloea, D'Orb., description of a new species [M. Cambojensis,) 

 with catalogue of fifteen species." I propose the following re- 

 vision of M. Petit's list :-7- 



Asia. 



M. EuPHRATiCA, Bourg. — Eiver Euphrates, and Tigris River, 

 near Bagdad. 

 Unio Euphraticus, Bourg.— Test. Nov. p. 28, No. 4. 1852. 

 Unio Euphraticiis, Bourg. — Voy. de la mer morte, pi. 4, 



fig. 1-4. 1853. 

 Unio Opperti, Bourg. — Amen. vol. 1., p. 54, pi. 14, fig. 6. 



and pi. 15, fig. 1. 1856. 

 Unio Ghurchillianus, Bourg. — Amen. vol. ii., p. 35, pi. 



2, fig. 1-4. 1857. 

 Monocondyloea rhomhoidea, Lea. — Pro. Acad. Nat. Sci., Phila., 

 p. 187. 1859. 

 M. MiCHOJsrii, Bourg. — Jaffia, Sj^ria. 



Unio Michonii, Bourg. — Test. Nov., p. 27, No. 2. 1852. 

 Unio Ifichomi, Bourg. — Voy. de la mer morte, pi. 3, fig. 

 10-12. 1853. 

 M. Tripolitana, Bourg. — Tripoli, Syria. 



Unio Tripolitanus, Bourg.— Test. Nov. p. 28, No. 3. 1852. 

 Unio TripioUtanus, Bourg. — Voy. de la mer morte, pi. 4, 

 fig. 10-12. 1853. 

 M. Saulcyi, Bourg. — Jaffa, Syria. 



Unio Saulcyi, Bourg. — Test.' Nov. p. 27, No. 1. 1852. 

 Unio Saulcyi, Bourg. — Yoy. de la mer morte, pi, 3, fig. 

 1-3. 1853. 

 M, "Wheatleyi, Lea. — River Tigris, near Mosul. 



Monocondyloea Wheatleyi, Lea. — Pro. Acad. Nat. Sci., Phila., 



p. 176. 1862. 

 Monocondyloea Wheatleyi, Lea. — "Obs," vol. 10, p. 35, pi. 

 50, fig. 307. 

 M. Mardinensis Lea. — Tigris River, near Mardin. 



Monocondyloea Mardinensis^ Lea. — Pro. Acad. Nat. Sci., 

 Phila., Dec. 20, 1864. 

 M. CuMiNGii, Lea. — Malacca and Cambodia. 



