1520 Bulletin 47, United States National Museum. 



produced into a short filament. Fold of lower lip slightly interrupted in 

 middle; 5 or 6 series of scales on cheek. Brownish olive, with 7 black 

 cross bands; the first in front of dorsal fin; second to fifth below spinous 

 dorsal, partly extending on fin ; the sixth below end of dorsal ; the seventh 

 across free portion of tail; each of these cross bands has numerous pearl- 

 colored spots ; root of caudal with a blackish spot. Length 6i inches. 

 Guatemala, (margarita, jiiapyapin/<;, pearl; fero, I bear.) 



Heros margaritifer, Gunther, Cat. Fi.shes, iv, 287, 1862, Lake Peten, Guatemala (Coll. 

 Godman & Salvin) ; Gunther, Fishes Ceutr. Am., 450, pi. 71, fig. 2, 18G9. 



1910. CICHLASSOMA SPILURUM (Giiutlier). 



Head nearly 3; depth 2. D. XVIII, 10; A. VIII or IX, 7 or 8; scales 

 4.^29-11. Head a little higher than long; snout of moderate extent, its 

 length I that of head; diameter of eye f length of head, f that of snout, 

 and less than width of interorbital space, which is convex; eye situated 

 below upper profile, a little nearer to extremity of operculum than to that 

 of snout; preorlntal as wide as orbit; cleft of mouth very narrow, scarcely 

 oblique, with jaws equal anteriorly; opercles scaly; vertical fins scaly at 

 base; dorsal spines of moderate length and strength, length of twelfth 

 contained 2i in that of head; points of soft dorsal and anal extending to 

 middle of caudal; caudal rounded; distance between dorsal and caudal 

 less than depth of tail ; pectoral nearly as long as head, extending to 

 fourth anal spine; outer ventral ray prolonged into a short filament. 

 Fold o*f lower lip interrupted in middle; 4 series of scales on cheek. 

 Greenish olive, with 9 dark ventral bands; a large roundish black spot on 

 middle of root of caudal; no spot on temple; caudal and posterior part 

 of dorsal and anal with whitish spots. Length 3^ inches. Rio Moutagua, 

 Guatemala. (Giinther.) {oTtlXo';, spot; ovpd, tail.) 



Heros spilurus, Gunther, Cat. Fishes, iv, 289, 1862, Rio Montagua, Guatemala (Coll. 

 Salvin) ; Gunther, Fishes Centr. Am., 4.51, pi. 73, fig. 1, 1869. 



1911. OICHLASOMA LONGIMANUS (Giinther). 



Head 2} ; depth 2^. D. XVI, 10 ; A. VI, 8 ; scales 4i-28-12. Head rather 

 longer than high; cleft of month slightly obli(iue, with lower jaw promi- 

 nent; upper profile of head straight; jaws moderately protractile ; max- 

 illary not extending to vertical from front margin of eye; ])reorbital as 

 wide as diameter of eye, which is somewhat less than width of interor- 

 bital space, and more than i length of head; eye immediately beneath 

 upper profile of head, and a little nearer to end of operculum than to that 

 of snout ; dorsal commencing vertically above scapula, the spinous portion 

 having its upper margin convex, spines slender and long, fifth and sixth 

 the longest, i length of head; soft dorsal and anal having middle rays 

 somewhat longer than others, and reaching to about middle of caudal; 

 soft anal slightly scaly at base, soft dorsal scarcely or not at all scaly; 

 anal spines shorter but somewhat stronger than those of dorsal; caudal 

 slightly emarginate; pectoral very long, slightly longer than head, and 

 extending nearly to end of anal ; ventral with outer ray produced into a 



