88 MuHwasMD^gK. 



71. Ophiclithys marmoratus. 



Dalophis marmorata, Bleek, Verh, Bat. Gen, xxv. Mureeti. p. 37 ; 



and Nat. Tydschr. Ned. Ind. vii. p. 100. 

 Sphagebranchus marmoratus, Kaup, Apod. p. 26. 

 Callechelys marmoratus, Bleek. Atl. Ickthyol. Mur^sn. p. 66, pi. 1 1. 



fig. 2. 



The length of the head is contained eight times and one- half in 

 the distance between the giU- opening and the vent, the length of 

 the tail being not much more than one-half of that of the body. 

 Cleft of the mouth narrow, extending behind the eye. Snout rather 

 pointed. Teeth pointed, recurved, uniserial, those on the intermax- 

 illary and vomer biserial. Pectoral fin none ; the dorsal fin com- 

 mences at the vertical from the angle of the mouth. Irregularly 

 marbled with brown. 



Sumatra. 



a. Type of the species, 34 inches long. Siboga. From Dr. Bleeker's 

 Collection. 



The description of Callechelys guichenoti, Kaup, Apod. p. 28, from 

 Tahiti, is so short and insufiicient that it cannot, at present, be dis- 

 tinguished from the above species ; the author says : — " The whole 

 body is dotted and freckled with black on a dark blue or, perhaps, 

 greenish ground-colour. Towards the end of the tail the black pre- 

 domiuates. Fins white, T/ith a broadish irregular black border." 



72. OpMchthys longipinnis. 



Sphagebranchus longipinnis, Kner Sf Steindachner, Sitzgsber. Ak. 

 Wiss. Wien, 1867, liv. p. 390, fig. 14. 



The length of the head is contained nine times and one-half in 

 the distance between the gill-opening and the vent ; tail nearly as 

 long as the body. Cleft of the mouth narrow, slightly extending 

 behind the eye, which is very small. Snout rather pointed, of mo- 

 derate extent. Anterior nostril tubular. Teeth pointed, uniserial. 

 Pectoral fin none ; the dorsal is moderately developed, and com- 

 mences in advance of the giU-opening. Coloration uniform. 



Samoa Islands. 



rt. One of the typical specimens. From the Godeffroy Museum. 



73. Ophichthys tenuis. 



The length of the head is one -seventh of the distance between 

 the gill-opening and the vent ; body and tail subequal in leng^. 

 Cleft of the mouth narrow, extending behind the eye, which is 

 small, situated abovo the middle of the mouth. Snout acutely 

 pointed, about thrice as long as the eye, projecting considerably 

 beyond the mouth. Anterior nostril without tube, posterior on the 

 inner side of the lip, below tlie front margin of the eye. Teeth 

 pointed, uniserial ; intermaxillary teeth placed in a triangle. Pec- 

 toral fin none ; the dorsal is moderately developed, and commences 



