304 CYPRT?fODONTID.f;. 



responding to the eleventh scale of the lateral line. The first anal 

 ray is below the sixth of the dorsal. Caudal truncated. Mandible 

 about as long as the eye. Caudal fin with two crescent-shaped 

 brown cross-bands. Body without silvery cross bars ; with irre- 

 gularly reticulated markings in the young. 

 North Africa. 



a, h, c. Adult males. Abyssinia. From Dr. E. Riippell's Collecticii. 



d. Female. 



e. Half-grown male. 



f-g, h-l. Young. Brine-spring, temp. 91°, near Usdum, Dead Sea. 



From the Collection o*^ H. Poole, Esq. 

 m. Many young specimens. Dead Sea. From the Collection of the 



Rev. H. B. Tristram. 



4. Cyprinodon cypris. 



Lebias cypris, Heckel, in Husseffger, Iteise, i. p. 1090, ii. 3. p. 242, 

 taf. 19. fig. 1. 



D. 11-12. A. 10. V. 5. L. lat. 26. L. trausv. 8. 

 Body rather elevated and compressed, its height being somewhat 

 more than the length of the head, which is contained thrice and a 

 quarter in the total (without caudal). The diameter of the eye 

 equals the length of the snout, is two-sevenths of that of the head, 

 and nearly equal to the width of the interorbital space. Dorsal 

 and anal fins not extending to the caudal when laid backwards ; the 

 dorsal fin commences halfway between the extremity of the snout 

 and the root of the caudal, immediately behind the insertion of the 

 ventrals. The anal commences somewhat before the termination of 

 the dorsal. Greenish olive above, silvery on the sides. 



Male with the fins blackish, the vertical fins with series of black dots. 



Female lighter, generally with brownish dots on the tail ; fijis 

 whitish, immaculate. 



Syria, Bagdad. 



a. Many specimens, not in good state. Jordan. From the Collec- 

 tion of the Rev. H. B. Tristram. 



5. Cyprinodon sopliiae. 



Lebias sophiae, Heckel, in Russegger, Reise, ii. 3. p. 267, taf. 22. fig. 2. 

 D. 11-12. A. 10-12. V. 6. L. lat. 26. L. transv. 7. 

 The height of the body is contained thrice and a half in the total 

 length (without caudal), the length of the head thrice and a third. 

 Snout very obtuse, subtruncated, the mandible being directed verti- 

 cally upwards. The diameter of the eye is more than the length of 

 the snout, one-third of that of the head, and not much less than the 

 width of the interorbital space. Dorsal and anal of moderate size, 

 somewhat higher in males than in females. In males as well as in 

 females the origin of the dorsal is midway between the root of the 

 caudal and the eye, and corresponds to the eleventh scale of the 

 lateral line ; it is immediately behind the vertical from the root of 



