26. HEMIGVMNVS. 139 



2. Hemigymnus sexfasciatus. 



Ilaliehceres sexfasciatus, Riipp. N. W. Fische, p. 18. taf. 5. fig. 3. 

 Tautoga sexfasciata, Cuv. v^- Val. xiii. p. 309. 



D. ;^. A.. ^. L. lat. 32. L. transv. Ij. 



A posterior canine tooth. Lips veiy thick, with folds ; the lower 

 lips are not continuous, broad, pendent, Uke the wattles of a cock ; 

 cheek with four series of small scales. Body with five or six dai'k- 

 brown cross-bands ; dorsal and caudal tins with numerous imdu- 

 lated red lines ; anal blackish, with irregular blue lines ; ventral 

 yellowish. 



Red Sea. 



a. Adult. Red Sea. Presented by Dr. Riippell. 



3. Hemigymnus melauopterus. 



Labi'us melapterus, Bl. tab. 285. 



Tautoga melapterus, Cuv. l^ Val. xiii. p. 311 ; Bkck. Verhund. Butav. 



Getiootsch. xxii. p. 16 ; Michards. Ann. 4" Mug. Nat. Hkt. 1843, xi. 



p. 358. 

 Tautoga, sp., Bleek. Verhaml. Batuv. Genootsch. xxii. Lubr. Cycl. p. 17. 

 Hemigymnus melauopterus, GUntli. I.e.; Bleek.Atl.Ickth. p. . tab.45. 



figs. 2 & 3. 



D. ^. A. ^. L. lat. 29. L. transv. 5/14. 



A posterior canine tooth hidden by the skin. Lips very thick, 

 with folds ; the lower Hp is notched anteriorly, each lateral part 

 pendent, like a wattle. Cheek with a band of small scales. Back 

 and sides between the vertical fins brownish, abdomen and thoracic 

 region yellowish ; a blacldsh blotch behind the orbit ; dorsal and 

 anal fins with a light margin, and with a bluish intramarginal baud, 

 edged with darker. 



Singapore. East Indian Archipelago. Goram. Port Essiagton. 

 Endeavour Reef (N.'E. coast of Australia). 



a. Half-gi-own. Celebes. Pirrchased of Mr. Brandt. 



b. Fine specimen. Java. Purchased of Mr. Jamrach. 



c. Adult: skin. From Gronow's Collection. 



d. Adult : stuffed. Port Essington. 



e. Adult : stuifed. Endeavour Reef. From Mr. Macgillivray's Col- 



lection. 



4. Hemigymnus leucomos. 



Tautoga leucomos, Bleek. Bititun. \\. p. 239. 



Hemigymnus leucomos, Bleek. Atl. Ichth. p. . tab. 44. fig. 6. 



D. ^. A. f^. L. lat. 26-27. 



No posterior canine tooth. Brownish-violet, with four whitish 

 transverse bands : the anterior broad, between the front part of the 

 doi-sal fin and the belly ; the second below the posterior dorsal spines, 

 and not extending downwards to the lateral line ; the third between 



