REPOET OF COMMISSIONER OF FISH AND FISHERIES. [96] 



Family CXI.— EMBIOTOCID^. (93) 

 355.— HYSTEROCARPUS Gibbons. (307) 



1132. Hysterocarpus traski Gibbons. T. (923) 



356.— ABEONA Girard. (308) 



1133. Abeona minima Gibbons. C. (924) 



1134. Abeona aurora Jordan & Gilbert. C. (925) 



357.— BRACHYISTIUS Gill. (308 h.) 



1135. Brachyistius frenatus Gill. C. (926) 



1136. Brachyistius rosaceus Jordan & Gilbert. C. (927) 



358.— MICROMETRUS Gibbons. (309) 



1137. Micrometrus aggregatus Gibbons. C. (928) 



359.— HOLCONOTUS Agassiz. (310) 

 ^ Hypocritichthys Gill. 



1138. Holconotus analis Alex. Agassiz. C. (929) 



^ IIyperpro8opon Gibbons. 



1139. Holconotus argenteus Gibbons. C. (930) 



1140. Holconotus agassizii Gill. C. (931) 



§ Holconotus. 



1141. Holconotus rhodoterus Agassiz. C. (9.33) 



360.— AMPHISTICHUS Agassiz. (310 6.) 



1142. Amphistichus argenteus Agassiz. C. (933) 



361.— HYPSURUS Alex. Agassiz. (311) 



1143. Hypsurus caryi Agassiz. C. (934) 



362.— DITREMA Schlegel. (312) 

 $ Tceniotoca Alex. Agassiz. 



1144. Ditrema laterale Agassiz. C. (935) 



brightly silvery ; tip of spinous dorsal usually black, other fins pale ; slenderer than 

 any other of the American species; the snout rather sharp ; the outlines of the body 

 notangular ; eye rather large, 3 in head, nearly equal to the flattish interorbital space ; 

 premaxillary groove linear, naked, formed as in G. gracilis; fins low; the longest 

 dorsal spines, 2 in head ; anal spines short ; pectoral short, IJ in head ; head, 3^ ; depth, 

 3^; D, IX, 10; A, II, 8; scales, 4— 45 — 10 ; L., 4 inches. West Indies, north to Cedar 

 Key, Florida. Well distinguished from all related species by the presence of but two 

 anal spines. The only other species with two anal spines is G. rhombeus C. & V., an 

 ally of G. olisthostoma. 



{Diapterua lefroyi Goode, Am. Journ. Sci. Arts, 1874, 123; Eucinostoniua lefroyi Goode, 

 Bull. U. S. Nat. Mus.V., 1876, 39 ; Ettcinoatomus productua Poey, Ann. Lye. N. Y., XI, 59, 

 1876 ; Evermann & Meek, Proc. Ac. Nat. Sci. Phila., 1883, 118.) 



