2(5. UEMIGYMNUS. 139 



2. Hemigymnus sexfasciatus. 



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

 Tautoga sexfasciata, Cuv. (^ Val. xiii. p. 309. 



D. ^. A. f^. L. lat. 32. L. transv. ^. 



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

 lips are nigt continuoiis, broad, pendent, like the wattles of a cock ; 

 cheek with four series of small scales. Body with five or six dark- 

 brown cross-bands ; dorsal and caudal fins with numerous undu- 

 lated red lines ; anal black'«h . with irregular blue lines ; ventral 

 yellowish. 



Red Sea. 



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



3. Hemigymnus melaiioptems. 



Labrus melapteius, Bl. tab. 285. 



Tautoga melapterus, Cuv. ^- Val. xiii. p. 311; Bletk. Verhand. Batav. 



Gcnootsch. xxii. p. 1(5 ; Richards. Ami. ^ Mag. Nat. Hist. 1843, xi. 



p. 358. 

 Tautoga, sp., Blcek. J^tTjuntd. Batav. Gcnootsch. xxii. Lahr. Ch/cl. p. 17. 

 Heniigvmiuis melanopterus, Gimfh. I.e.; Blech.Atl.Ichth. p. . tab.45. 



figs. 2 & 3. 



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



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

 \vith folds ; the lower lij) is notched anteriorly, each lateral part 

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

 and sides between the vertical fins bro^^Tlish, abdomen and thoracic 

 region 5'ellowish ; a blackish blotch behind the orbit ; dorsal and 

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

 edged \A\h darker. 



Singapore. East Indian Archipelago. Goram. Port Essington. 

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



a. Half-grown. Celebes. Purchased of Mr. Brandt. 

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



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



d. Adult : stuftcd. Port Essiugtim. 



c. Adult : stufted. Endeavour Reef. From Mr. Macgillivray's Col- 

 lection. 



4. Hemigyirnus leiicomos. 



Tautoga leucomos, Bleeh. Bi/iton, \\. p. 239. 



Hemigymnus leucomos, Blcek. Atl. Ichth. p. . tab. 44. fig. (5. 



D. ^. A. i. L. lat. 2G-27. 



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

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

 dorsal fin and the belly ; the second below the posterior dorsal s])ines. 

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



