26 Pisces. 
PISCES. 
Oyprinodontid^. 
Cyprinodon atoliczkanus, Day, = dispar ^ Riipp. ; Day, op. cit. p. 521, 
pi. cxxi. figs. 1 & 2. 
Uaplochilus argenteus, Day, = cyanophthalmus, Blyth, = melastigma^ 
McClell., p. 522, pi. cxxi. fig. 4 ; ruhro-stigma, Jord., pi. cxxi. fig. 5 ; line- 
atuSf 0. V., pi. cxxi. fig. 6 ; panchax, H. B., pi. cxxi. fig. 3 ; synonymy 
and figures ; Day, op. cit. 
Fundulus menona, Jordan & Copeland, P. Ac. Philad. 1877, p. 68, 
Wisconsin ; F. rhizophorce, Goode, Am. J. Sci. (3) xiv. p. 298, Bermudas : 
spp. nn. 
Xenisma, g. n. for Hydrargyra catenata, Ag., and X stelUfera, sp. n., 
Jordan, Ann. Lyc. N. York, xi. p. 322, Upper Georgia. 
Xiphophorus hecJcelij p.' 17, obscurus^ p. 18, minor ^ p. 20, mercedarius, 
p. 22 ; figured, pi. iv. ; H. Weyenbergh, 1. c. La Plata : spp. nn. 
OYPRINIDiE. 
Patio, V. Sur la determination des Cyprinoides. Verb. Ges. Bas. 
1877, pp. 297-302. 
Key to genera of American Cyprinidcc ; Jordan, Bull. Nat.. Mus. x. 
pp. 55-60. 
Comparison of genera of Catostomidce ; Jordan & Bray ton, P. Ac. 
Philad. 1877, pp. 282 & 283. 
Lagochila^ g. n. Similar to Myxostoma (Ptychostomus, Agass.), except 
in the structure of the mouth parts. Dorsal fin short. Mouth singular ; 
the upper lip not protractile, greatly enlarged ; lower lip developed as 
two separate lobes ; lower jaw provided with a sheath. Air-bladder in 
three parts ; scales large, subequal ; pharyngeal bones and teeth ordinary ; 
fontanelle well developed ; lateral line well developed. L. lacera^ sp. n., 
iid. 1. c. pp. 280-282, figs. 1 & 2, Georgia. 
Catostomus nigricans^ var. n. etowanus^ Jordan, Ann. Lyc. N. York, xi. 
p. 345, Upper Georgia. 
Myxostoma pcecilura, id. Bull. Nat. Mus. x. p.- 66, Louisiana; M. 
euryopSf id. Ann. Lyc. N. York, xi. p. 348, Upper Georgia : spp. nn. 
Ichthyobus cyanelluSy Nelson, Bull. Ills. Mus. Nat. Hist. 1876, p. 49, and 
ischyrusy id. P. Ac. Philad. 1877, p. 73, Illinois ; spp. nn. 
Bubalichthys altus, sp. n., id. P. Ac. Philad. p. 73, Illinois : other 
species noticed by Jordan, ibid. 
Cirrina huhli^ Day {neo C. V.), renamed Dangila burmanica^ Day, 
op. cit. p. 546, pi. cxxxi. fig. 2. 
Cirrina, synonymy and figures of 5 species ; id, op. cit. pp. 547-549. 
Osteochilus ckalybeatus, C. V., pi. cxxix. fig. 1, neilli, Day, pi. cxxx. 
fig. 2, figured ; Day, op. cit. 0. vittatus, C. V., figured ; Martens, 1. c. 
pi. ii. fig. 3. 
Labeo nigripinnis, sp. n., Sind, p. 514, pi. cxxxii. fig. 3; figures and 
synonymy of 23 other species : Day, op. cit. pp. 535-545. 
Discognathus jerdoni, Day, = Gonorrhynchus gotyla, Jerd., p. 528, 
pi. cxxii. fig. 6 ; D. modcstua, Day, figured, pi, cxxii. fig. 5 : Day, op. cit. 
