TERRESTRIAL AND FLUVIATILE MOLLUSC A. 203 



202. Uiiio rayiiiondi. Bourg. Locard. Malac. Lac Tiberiade, p. 14. 



Long. 65 — 69, lat. 32 — 35, diam. 21 — 24 mill. 



The most delicate, light, and translucid of all the Uiiios of the Lake of 

 Galilee, where alone it is found. 



203. Unio tristranii. Locard. JMalac. Lac Tiberiade, p. 15, pi. xx., 

 f. 15, 16. 



Long. 59, lat. 31, diam. 24 mill. 



This peculiar form, in some respects like U. cuphraticus, Bourg., has 

 been found only in the Lake of Galilee, where Dr. Lortet discovered it. 



204. Unio pictri. Locard. Malac. Lac Tiberiade, p. 16, pi. xx., 

 f. 17—19. 



Long. 50 — 57, lat. 28 — 31, diam. 20 — 22 mill. 



Discovered by Dr. Lortet in the Lake of Galilee. It had been pre- 

 viously taken by me in some quantity, but not discriminated from former 

 species. 



205. Unio ellipsoidens. Bourg. Locard. Malac. Lac Tiberiade, 

 p. 17, pi. xxi., f. 1—3. 



Long. 55, lat. 32, diam. 23 mill. 

 \\\ the Lake of Galilee. 



206. Unio jordanicus. Bourg. Amcen. Malacol. I., p. 167, pi. xvi., 

 f. 1-4. 



Long. 55 — 60, lat. 30 — 32, diam. 23 — 26 mill. 



Very common in the Jordan. Less abundant In the Lake of Galilee. 



207. Unio genezeretJianus. Letourneux. Locard. Malac. Lac 

 Tiberiade, p 19, pi. xxi., f. 4 — 6. 



Long. 56, lat. 34, diam. 23 mill. 

 Lake of Galilee. 



208. Unio grclloisianus. Bourg. Amoen. Malac. L, p. 165, pi. xvii., 

 f. 1-4. 



Long. 30, lat. 18, diam. 15 mill. 



This small Unio was discovered by De Saulcy in the Jordan. 



26 — 2 



