78 MURdENID^. 



a. Large specimen, 50 inches long. River Hooghly. From the 

 Collection of the East-India Company. 



h,c,d,e,f. Many half-grown and young examples. River Hooghly 



g. Adult. Bengal. Presented by General Hardwick. 



h~i. Half-grown. Bengal. Presented by G. R. Waterhouse, Esq. 



k. Adult : skin*. Pinang. Erom Dr. Cantor's Collection. 



I. Adult. Pinang. From Dr. Cantor's Collection. 



m. Adult. East-Indian archipelago. From Dr. Bleeker's Collection. 



n. Type of 0. potamophUus. Borneo. From Dr. Bleeker's Col- 

 lection. 



0. Adult. Zebu (PhUippine Islands). Purchased of Mr. Jamrach. 



p, q, r. Many adult, half-grown, and young specimens. Formosa. 



s. ? Half-grown. Grenada (West Indies). Purchased of Mr. Cutter. 

 An examination of other specimens may prove this to be a dis- 

 tinct species ; but at present I do not think myself justified in 

 separating this single specimen from 0. boro, which varies rather 

 considerably in the relative proportions of the parts of the body. 



49. Opiiichthys cancrivorus. 



? Conger flavipinnatus, Bennett, Prop. Com'm. Zool, Soc. 1831, p. 108. 

 Ophiaurus cancrivorus, Richards. V9y. Ereb. 8f Tei-r. Fhh. p. 97, 



tab. 60. figs. 6-9. 



sinensis, Richards. I.e. p. 98. 



Ophiurus baccidens, Cant. Mai, Fish. p. 320, tab. 6. fig. 1 (teeth). 

 Ophisurus schaapi, Rleek, Nat. Tydschr. Ned. Lid. iii. p. 735 ; or Verh. 



Bat. Gen. xxv. Murcen. p. 53. 



brachysoma, Bleek. I. c. 1°, p. 776 ; or I. c. 2°, p. 55. 



Pisoodonophis cancrivorus, Kaup, Apod. p. 15, tig. 9 (cop. from 



Richards.) ; Kner, Novara, Fisch. p. 379. 

 brachysoma, Kaup, Apod. p. 19 ; Bleek. Atl. Ichth. Muram. 



p. 60, tab. 18. fig. 2. 



schaapi, Kaup, I. c. ; Bleek. I. c. tab. 17. fig. 1. 



moluccensis, Bleek. Atl. Ichthyol. Murcen. p. 72, taf. 49. (not 45) 



fig. 2. 



Coloration uniform. The length of the head is two-fifths or nearly 

 one-third of the distance of the gill-opening from the vent ; the 

 length of the body from three-fourths to nearly two-thirds of that 

 of the tail. Cleft of the mouth rather wide, about one-third of the 

 length of the head ; snout depressed, somewhat pointed. Eye of 

 moderate size, nearly one -half of the length of the snout. Teeth 

 granular, forming broadish bands. Length of the pectoral fin about 

 two-sevenths or one-third of that of the head ; dorsal commencing 

 above the middle of the pectoral ; dorsal and anal fins of moderate 

 depth. A more or less distinct blackish spot anteriorly on the 

 dorsal fin. 



East-Indian archipelago ; Australia. 



o. Adult. Pinang. From Dr. Cantor's Collection. Type of 0. 

 baccidens. 



h. Adult. Singapore. One of the typical specimens of 0. can- 

 crivorus. 



