21. OPHICHiHYS. 73 



Although our specimen differs slightly from the Barcelona ex- 

 amples described by BeUotti, which have the vomerine and mandi- 

 bulary teeth for a short distance arranged in two scries anteriorly, 

 they agree so well in all other essential points that they evidently 

 belong to the same species. 



37. Opliichthys remicaudus. 



Centrm'ophis remiccaudus, Kanp, Apod. p. 3. 



Brownish, with numerous dark specks ; dorsal and anal fins with 

 brownish and whitish spots along the base ; a series of small whitish 

 warts across the occiput. The length of the head is one-fourth of 

 the distance of the giU-oponing from the vent. Upper lip without 

 appendages. Eye large, near the angle of the mouth. Teeth 

 pointed, uniserial (vomerine teeth biserial ?). The length of the pec- 

 toral fin is somewhat less than one-half of that of the head ; the dorsal 

 commences at a moderate distance from the tip of the pectoral. 

 Tail rather longer than body. (Kaup.) 



Sicily. 



38. Ophichthys brasiliensis. 



Centrurophis brasilipnsis, Kan^, Apod. p. 4. 



Yellowish brown, vvith black dots, lue length of the head is 

 rather less than one-fourth of the distance of the gill-opening from 

 the vent. Teeth pointed, uniserial (vomerine teeth biserial ?). Pec- 

 toral Jin one-fourth of the length of the head ; dorsal Jin coinniendng 

 at some distance behind the pectoral. Tail longer than body. {Kaup.) 



Rio Janeiro. 



39. Ophichtliys urolophus. 



Conger urolophus, Schleg. lami. Japon. Poiss. p. 260, pi. 114. fig 1. 



Coloration uniform, fins with a white margin. The length of 

 the head is about one-third of the distance of the gill-opening from 

 the vent ; cleft of the mouth one -third of the length of the head ; 

 eye of moderate size, contained once and two-thirds in the length of 

 the snout, which is pointect. Teeth uniserial, except those of the 

 intermaxillary. Pectoral fins well developed ; the dorsal commences 

 at a short distance behind the end of the pectorals. Posterior por- 

 tion of the vertical fins somewhat elevated. {8chleg.) 



Japan. 



2. Dorsal Jin commencing above or nearly above the ffill-opening. 



40. Ophichthys polyophthalmus. 



Ophichthys polyophthahnus, Bleek. Ned. Tydschr. Dierk. ii. p. 43 j 

 and Atl. Ichthyol. Murmi. p. 47. pi. 42. fig. 3. 



Brownish on eacli side, with ihree series of large rounded brownish- 

 black spots arranged alternately ; each spot of the dorsal series with 

 a whitish centre. Snout yellowish, head with numerous white, 

 dark-edged ocelli. Dorsal fin with a basal series of brown spots, 



