PISCES. X66 
Myletes duriventris (Cuv.). — D, 16-16. A. 33-34. Abdominal spines 
39-48. Gunther, 1. c. p. 247. 
Heteropygii. 
Typhlichthys suhterraneus (Girard) proves to be identical with Amhlyopsis. 
Giinther, Fish. vii. p. 2. 
J CyPRINODONTIDtE. 
Characodon lateralis figured by Gunther, Trans. Zool. Soc. vi. p. 480, 
pi. 82. fig. 2. 
V Trifarcius felicianus, sp. n., Poey, Repert. Fis.-nat. Cuba, ii. p. 412, Cuba. 
—TS'xfarcius is said to be most closely allied to Cyprinodon. 
>/ Ilaplochilm dovii figured by Giinther, 1. c. pi. 82. fig. 6. 
y Ilaplochiltis mfrafasciatus (Gthr.) is, according to Peters, ^Poecilia sex- 
fasciata (Ptrs.), and generically distinguished from Haplochilus by the pre- 
sence of pseudobranchiae : Lycocyprinus, Peters, Monatsber. Ak. Wiss. Berlin, 
18G8, p. 146. 
Haplochilus playfairii. Prof. E. P. Wright relates his adventures in an 
experiment of bringing this fish alive to Europe. Ann. & Mag. Nat. Hist. 
1868, ii. pp. 438-441. 
Fundidus. J?r. Giinther, 1. c., describes and figur^ the Central-American 
species, viz. : — F. lahialis, pi. 84. figs. 1 & 2 j F". punctatus, pi. 84. fig. 6 j F. 
^ guatemalensis, pi, 84. figs. 3 & 4; F. pachycephalus, pi. 84. fig. 6. 
Fundulus orthonotus. Prof Peters proposes for this fish a new genus, 
Nothohranchius, on account of the presence of minute pseudobranchiae, and 
the absence of posterior processes of the intermaxiUaries. The fish is figured 
Mossamb. Flussfisch. p. 60, taf 12. fig. 1 j also in Monatsber. Ak. Wiss. Berlin, 
1868, p. 145. 
Rivulus ocellatus, sp. n., Hensel, Wiegm. Arch. 1868, p. 366, Rio de 
Janeiro. 
y Gamhiisia nicarayuensis figured by Gunther, 1. c. pi. 82, fig. 3. 
'■i Gaxnbtisia picturada, sp. n., Poey, 1. c. p. 410, Cuba. 
V Foecilia unimacidata (?) described by Hensel, Wiegm. Arch. 1868, p. 358. 
Foecilia elongata and F. *petenensis figured by Gunther, 1. c. pi. 86. figs. 2 
and 3 & 4. 
"V Mollicncsia pctenensis. Dr. Giinther figures male, young, and female, 1. c, 
pi. 86. figs. 1-3.. 
V Xiphophorus hellerii. The sexes and some varieties figured by Dr, Giinther, 
1. c. pi. 87. figs. 2-6. 
Girardinus pleurospilus figured by Gunther, 1. c. pi. 87. fig. 1. 
V Girardinus januarius and'^ Girardinus caudimaculatus^ spp. nn., Hensel, 
Wiegm. Arch. 1868, pp. 360, 362, from Southern Brazil, 
ScOMBRESOCIDtE. 
Ilemirhamphus. ^I'of Poey makes remarks on the Cuban species of this 
^ genus, and describes Fuleptorhamphus velox as new, 1. c. p. 383. 
Prof. Peters describes as a new species Hemirliamphus {Zenarchopterus') 
philippinus, and makes remarks on his H. viviparus. Monatsber. Ak. Wiss. 
Berlin, 1868, p. 273. 
Belone. Prof. Poey draws attention to discrepancies between specimens 
