PHYSOSTOMI. 
107 
Characinid^. 
The following now species are described by Liifcken from Minas Geraes, 
Central Brazil, in Overs. Dan. Selsk. 1874, No. 3 : — 
Curimatus albula, p. 127. 
Prochilodus affinis, p. 128. 
Leporinus reinhardti, p. 129, L. tmniatus^ p. 129, L. marcgravii, p. 130. 
Tetragonopterus cuvieri{lacustris, rivularis, gracilis^ nanus^ pp. 131-134. 
Chirodon piaha, p. 134. 
Brycon reinhardti^ p. 134, lundi^ p. 135. 
Xiphorhamphus lacustris^ p. 136. 
Serrasalmo hrandti^ p. 137. 
Myletes {Tomeles) micans, p. 137. 
Leporellus, g. vel subg. n., Liitken, 1. c. p. 129. Differs from Leporinus 
proper in its approximated nostrils, deeply cleft branchial orifices, 
branchiostegal membrane not attached to the lower surface of the 
head (in which characters it approaches the Tetragonopterini), and in the 
partially scaled lobes of the caudal fin. Type, Leporinus pictus^ Kner (JL. 
vittatus, Val. ?), Rio das Velhas. 
Several species from Trinidad re-characterized ; Corynopoma searlesi, 
Gill, figured ; Tetragonopterus trinotatus, Ltk., is a Ilemibrycon, and T. 
pulcher, Gill, a Chirodon. Liitken, Yid. Medd. pp. 220, 223, 234 & 236. 
Chirodon. Revised diagnosis ; id. Overs. Dan. Selsk. 1874, p. 134. 
Tetragonopterus. "The spines on the ventfals and anal of individuals 
are not characteristic of the entire genus ; T. oerstedi, sp. n., id. Yid. Medd. 
p. 229, River San Juan. 
Serrasalmo (^Pygocentrus) notatus, sp. n., id. 1. c. p. 238, Yenezuela. 
Prochilodus asper, sp. n., id. 1. c. p. 226, Yenezuela. 
Chalcinus paranensis^ sp. n., Gunther, Ann. N. H. (4) xiv. p. 454, 
River Parana. 
Cyprinodontid.®. 
^Haplochilus floripinnis^ sp. n.. Cope, P. Am. Phil. Soc. xiv. p. 138, 
Colorado. 
yFundula cyprinodonta, Cuv. On the breeding habits observed in 
captivity ; P. Carbonnier, Bull. Soc. Acclim. (3) 1874, pp. 665-671. 
^Fundulus bermudm^ sp. n., Gunther, 1. c. p. 370, Bermudas. 
p Molinesia jonesi^ sp. n., id. 1. c. p. 371, Alcohuaca, Mexico. 
y Xiphophorus, Heck. H. Weyenbergh describes and figures the sexual 
organs and early stages of this genus, adding X. hecheli, sp. n., from the 
Primero river ; Yersl. Ak. Amst. (2) viii. pp. 291-307, pis. i. & ii. 
figs. 1-31. 
Sternoptychidjj. 
^Maurolicus australis^ sp. n., doubtfully separated from M. borealis. 
Hector, Tr. N. Z. Inst. vii. p. 250, pi. xi. fig. 90 D, Milford Sound and 
Cuttle Cove, New Zealand. 
PDiplophos^ g. n. Body very elongate, riband-shaped, with large thin 
