21. UJ'UICUTUY.S. G9 



distance between the gill-opening and vent ; tail one-fourth longer 

 than body ; upper jaw but little projecting beyond the lower ; eye 

 rather large, e(iuidistant from tlie extremity of the snout and cleft 

 of the mouth ; its diameter is two-ninths of the distance of the 

 oiigin of the dorsal from the base of the pectoral. Teeth uniserial, 

 biserial in the maxillarics. C'oloration uniform. (Ptrs.) 

 Chile. 



]j. MaxiUari/ fedli vniserial. 



1. Dorsal Jin commencing behind the root of the j)ector(il. 



29. Ophichthys bonapartii. 



Pcecilocephaliis bonapartii, A'ir//y?, Apod. p. 5, fig. 3. 



Ophisurus chrysospilos, Bleek. Act. >Soc. Sc. Indo-Nederl. ii. A»d)i)i/na, 



viii. pp. 8, 27; 



bonapartii, Bleek. I. c. p. 87. 



Ptecilocephalus niarkworti, Kaup, Aa/e d. llumh. Mas. p. 10, tab. 1. 



fig. 1. 

 Opbicuihys 'jonapartei, BleeL. Atl Ichth. Murcen. p. 47, pi. 14. 



fio.2. 



Light brownish, with from 18 to 23 dark-brown rings, extending 

 on the basal jjart of the dorsal and anal fins ; the anterior half of 

 the head is brown, with yellowish, black-edged reticulated lines ; 

 throat with reniform brown dark-edged spots. The length of the 

 head is nearly one-sixth of the distance of the gill-opening from the 

 vent. Snout tetrahedral, pointed, with the up})er jaw projecting 

 beyond the lower. Cleft of the mouth rather wide, tAvo-fifths of the 

 length of the head ; eye of moderate size, rather more than half the 

 length of the snout, situated in the anterior fourth of the length 

 of the head. Posterior nostril in advance of the eye. Teeth of mode- 

 rate size, pointed, fixed, uniserial in all the bones. Pectoral small, 

 shorter than the snout ; the dorsal fin commences opposite to the 

 extremity of the pectoral. Body nearly one-third longer than taU. 



Amboyna. 



«. Fine specimen, 27 inches long. From Dr. Bleeker's Collection. 



30. Ophichthys cephalozona, 



Centrurophis spadiceus, Kaup, Ajyod. fig. 1 (not descript., not Rich- 

 ards.). 



Murfenopsis margmaius, Blcck. Ned. Tydschr. Dierk. i. p. 179 (not 

 Ptrs.^. 



Ophichthys cephalozona, Bleek. Atl. Ichthijol. Muresn. p. 49, tab. 12. 

 fig. 2 ; Kner, Novara, Fisch. p. 377. 



Body purplish brown ; nape with a very broad deep -black cross 

 band broadly edged with white in front and behind. Dorsal and 

 anal fins tricoloured, viz. brownish along the base, black along the 

 middle, and white along the margin. The length of the head is 

 one-fourth of the distance of the gill-opL-ning from the vent. Cleft 

 of the mouth of moderate width, slight]}' extending behind the eye ; 

 snout pointed, with the upper jaw much projecting beyond the 



