18. LABROIDES. 119 



operculuin not serrated ; lateral line continuous. Teeth iu the jaws 

 minute, forming a band ; a pair of curved, erect canines in each jaw, 

 the upper pair received between those of the lower ; a posterior 

 canine tooth. Formula of the fins : D. ^. A. g-^. The gill- 

 membrane is attached to the isthmus. 

 Red Sea. East Indian Archipelago. 



Dr. V. Bleaker separates this genus into two : — 



a. The lower lip divided into two lobes ; anal spines three : Lahroidcs, 



p. 119. 



b. The lower lip without produced lobes ; anal spines two : Diprocta- 



caidhiis, p. 120. 



a. Lahroides, Bloek. 



1. Labroides dimidiatus. 



Labrus latovittatus, liUpp. N. IV. Fische, p. 7. taf. 2. fig. 2 (not Litcep.). 

 Cossyphiis dimidiatus, Cuv. 4" Val- xiii. p. 130. 



Labroides latovittatus, Bleek. Act. Soc. 8c. Indo-Nederl. ii. Amboina, 

 viii. p. 73, and Atl. Ichth. p. . tab. 44. fig. 1. 



D.i. A.l L.lat.50. 



Lips fleshy, both emarginate anteriorly. Head much longer than 

 high, pointed. A black band from the snout through the eye to the 

 extremity of the caudal fin, gradually becoming broader posteriorly 

 and occupying nearly the whole of the caudal fin ; the inner half of 

 the soft dorsal and anal bro^^^l, the outer yellowish ; caudal fin with 

 the upper and lower margins whitish. 



lied Sea. Amboyna ; Goram. 



a. Seventeen lines long. From Dr. P. v. Bleeker's Collection. 



2. Labroides paradiseus. 



Valent. iii. p. 348. fig. 8, and p. 407. fig. 193 ; Eeuard, Poiss. MoL i. 



tab. 24. tig. 131. 

 Labroides paradiseus, Bleek. Banda, i. p. 249, and Atl. Ichth. p. " . 



tab. 44. fag. 2. 



D. ^. A. ^. L. lat. 50. 



Lips fleshy; two anterior canine teeth in each of the jaws. Head 

 much longer than high, pointed. A black band from the snotit 

 through the eye to the caudal fin, bent downwards posteriorlj- to the 

 lower margin of the tail, and leanng a great portion of the lower 

 part of the caudal fin white. Fins yellowish ; dorsal and anal fins 

 black at the base. 



East Indian Archipelago. 



o. Thirty lines long. From Dr. P. v. Bleeker's Collection. 



If I had not seen Dr. P. v. Bleeker's accounts, I .should not have 

 hesitated to consider liis L. paradiseus as identical with IJiippcll's 

 L. latovittatus, and the small specimen, named by lUeoker L. lata- 



