24 CYPEINODONTULE. 



2. Dorsal 14-1 G. 



a. 20-26 scales round body in front of: ventrals. 



a. Space between eye and lip \ to £ diameter of eye. 

 D. 14-15; A. 14-15; Sc. 33-35; diameter 



of eye \\ times in interorbital width . . 5. F. batesii, Blgr., p. 28. 

 D. 15-16 ; A. 16-18 ; Sc. 30-34 ; diameter 



of eye 1| to 2 times in interorbital width . G. F. gularis, Blgr., p. 29. 

 D. 15-16; A. 15-17; Sc. 25-27; diameter 



of eye 1 £ to 1£ times in interorbital width, 7. F. arnoldi, Blgr., p. 30. 

 1). 1G ; A. 15 ; Sc. 2728; diameter of eye 



1 1 times in interorbital width .... 8. F. palmquistii, Lonnb., p. 31. 



/&. Space between eye and lip very narrow, the latter forming an 

 angle fitting into a notch close to the former. 

 D. 14; A. 15-16 ; Sc. 28-30; anal originating 



a little in advance of dorsal 9. F. walkeri, Blgr., p. 32. 



D. 15-16 ; A. 14-16 ; Sc. 28-30 ; anal opposite 



to dorsal 10. F. ortlwnotus, Peters, p. 33. 



D. 14-15 ; A. 17-18 ; Sc. 30-31 ; anal opposite 



to dorsal 11. F. melanospilus, Pfeff., p. 34. 



b. 32-36 scales round the body. 



1). 15-16 ; A. 16-17 ; Sc. 30-32 .... 12. F. neumanm, Hilg., p. 35. 



3. Dorsal 17-19 ; anal 17-19. 

 D. 17-18 ; A. 18-19 ; Sc. 27-30; diameter of 



eye 1§ to 2 times in interorbital width . 13. F. guentheri, Pfeff., p. 35. 

 D. 17 ; A. 17-18 ; Sc. 30-31 ; diameter of 



eye li times in interorbital width . . .14. F. twniopygus, Hilg., p. 37. 

 D. 17-19 ; A. 17-19 ; Sc. 33-36 ; diameter of 



eye nearly twice in interorbital width . . 15. F. sjoestedti, Lonnb., p. 38. 



B. 40-42 scales in longitudinal series, about 50 round body. 

 D. 16-17 ; A. 17 18 16. F. microlepis, Vincig., p. 39. 



II. Anal originating below middle of dorsal ; 36 scales in longitudinal series. 



D. 12 ; A. 10-11 ; diameter of eye 4 times in 

 length of head and twice in interorbital 

 width 17. F. nisorius, Cope, p. 39. 



D. 13 ; A. 13 ; diameter of eye 21 times in 

 length of head and little less than inter- 

 orbital width 18. F. capensis, Garm., p. 39. 



1. FUNDULUS BIVITTATUS. 



Lonnberg, Ofv.Ak. Forh. Stockh. 1895, p. 190 ; Paul Arnold, Bl. Aq. Terr. 1908, 

 p. 653, fig., and Woch. Aq. Terr. 1911, p. 601, fig. 



Depth of body 3j to i\ times in total length, length of head 3 to 



