THE SHORE EISHES. 311 



Ctenochaetus striatus (Qrov & (iAiMARi)). 



Jordan it Evermann, Bull. I'. S. Fish. Comm., IDOf), 23, pi. 1, p. 31)S, fig. 174. Jordan & Sioale, 

 Bull. U. S. Bur. Fish., 190t), 25, ]). 354. 



Aca/ilhiirus striatum Qrov tt Oaimard, Voy Uranip. Zool., 182.5,' p. 373, pi. 63, fig. 3. 



No. 05925, two specimens, each 2g inches long from Papeete, Tahiti, 

 Society Islands. 



Zebrasoma rhombeum (Kittlitz). 



JoRDA.N & Seale, Bull. r. y. Bur. Fish., 190(i, 25, p. 355. 



Acaiithiinis liionihiiis KiTTi.iTZ, ScuckonlxTg Mus., 1834, 1, p. l!1(i, ))!. 13, fig. 16. 



Nos.A109,7i inches; A113, M. C. Z. 29749, 6^ inches and A114, 6^ inches 

 long from Tahaa, Society Islands. 



Jordan & Seale suggest the possibility of the two forms Z. flavescens and Z. 

 rliombeum being color variations of one diacromatic species. 



Zebrasoma veliferum (Block). 



Jordan it Evermann, Bull. L'. S. Fish. Cuiiini., 1905, 23, pt. 1, p. 390, fig. 173. Jordan it Seale, 

 Bull. U. S. Bur. Fish., 1906, 25, p. 356. 



Acriiilhiinis nlifa- Bloch, Irhth., 1793, 9, ]). 106, taf. 427, fig 1. 



Nos. Alio, 9i'o inches; Alll, 9 inches and A112, M. C. Z. 29739, 9| inches 

 long from Tahaa, Society Islands. 



Acanthurus brevirostris (f'uviER & Valenciennes). 



Jordan & Evermann, Bull. U. S. Fish. Comm., 1905, 23, p. 401, fig. 176. 



Naseus brevirostris Cuv. & Val., Hist. Nat. Poiss., 1835, 10, p. 204 (277j, i)l. 291. Ucntheu, 

 Fischp dcr Siictsee, 1875, 4, p. 121, taf. 79, fig. A, text fig. 5. 



No. A18, M. C. Z. 29738, female, 111 inches long from Rangiroa, Paumotu 

 Islands. This specimen has head 4.36 in length; depth 2.54; eye 4 in head; 

 distance from front of eye to tip of horn 4.51 in length; eye to tip of upper lip, 

 1.76 in head; dorsal VI, 27; anal II, 29. 



No. A15, a female specimen, 12 inches long, from Rangiroa, Pamnotu 

 Islands. This specimen has head 4.54 in length; depth 2.65; eye 4 in head; 

 distance from front of eye to tip of horn 4.06 in length ; eye to tip of upper lip 

 1.64 in head; dorsal \'I, 26; anal II, 28. 



