OPHIOCEPHALID.E. 



1. Ad. 



Gharb-el-Aish, White Nile. 



2-3. AJ. 



Fashoda, ,, 



4-9. Yg. 



Nr. Gebel Ahmed Agar, 





White Nile. 



10-11. Ad. 



Gondokoro, Bahr-el-Gebel. 



12-13. Ad. 



Fort Lamy, Shari R. 



14-17. Ad. 



McCarthy Id., Gambia. 



18. Ad. 



Corbal R. at Tchitote, 





Portuguese Guinea. 



19-20. Hgr. 



N. Sherbo district, Sierra- 





Leone. 



21-26. Hgr. & yg. 



Sapelle, Lower Niger. 



27-28. Hgr. & yg. 



Abo, „ 



29-31. Yg. 



Assay, „ 



32. Ad. 



Benue R., north of. Ibi. 



33-34. A.]. 



Abogaji, head-water of 





Aboina R., Cross R. 



35. Ad. 



Kribi R., S. Cameroon. 



36. Skel. 



Gaboon. 



37. Ad. 



Lambarene, Ogovve. 



38-39. Ad. 



Komadekke, „ 



40-41. Ad. & yg. 



Ngomo, 



42. Ad. 



Boma, Lower Congo. 



43. Yg. 



Leopoldville, Stanley Pool. 



44. Ad. 



Bolobo, Upper Congo. 



45. Ad. 



Monsembe, ,, 



46-47. Types. 



W. Africa. 



L. Loat, Esq. (0.). 



H. H. King, Esq. (P.). 



J. Petherick, Esq. (C). 

 Capt. G. B. Gosling (P.;. 

 J. S. Budgett, Esq. (P.). 

 Dr. W. J. Ansorge (C.). 



N. W. Thomas, Esq. (P.). 



H. L. Norton Traill, Esq. 



(C). 

 Major G.E.Bruce (P.). 



G. L. Bates, Esq. (C). 

 R. B. N. Walker, Esq. 



(P.). 

 Miss Kingsley (G). 

 Dr. W. J. Ansorge (C). 

 Rev. E. Haug (C.) ; 



Paris Museum (E.). 



J. J. Monteiro, Esq. (G). 



Drs. Dutton, Christy, and 



Todd (P.). 

 Rev. G. Grenfell (P.). 



Rev. J. H. Weeks (P.). 



C. Swauzz, Esq. (P.). 



3. OPHIOCEPHALUS INSIGNIS. 



Sauv. Bull. Soc. Zool. France, 1884, p. 195, pi. v. fig. 3 ; Bouleng. Poiss. Bass. 

 Congo, p. 369 (1901) ; Steind. Denkschr. Ak. Wien, lxxxix. 1913, p. 47. 



Barely distinguishable from the preceding by the smaller scales. 

 Depth of body 6 to 7 times in total length. Dorsal 40-43. Anal 



8-9 



28-29. Scales 83-90 j^o > lateral line 37-50. Markings as in the 

 preceding, but chevron-shaped dark bars across the back often connect 

 the lateral spots. 



Total length 410 millim. 



Cameroon to Congo. — Type in Paris Museum. 



