PHYSOSTOMI PLEGTOGNATHI. 
Pisces, 29 
11alosaurid;r. 
Ilalosaurus affinis, sp, n., Gunther, Ann. N. H. (4) xx. p. 444, Japan. 
MUR.^NOIDEI. 
Rauber, — . Ueberi das Geschlecht des Aals. SB. Ges. Leipzig, 1876, 
!, pp. 111&112. 
j Freud, S. Beobachtungen iiber Gestaltung nnd "*feineren Ban der 
) als Hoden beschriebenen Lappenorgane des Aals. SB. Ak. Wien, 
Ixxv. pp. 419-430, pi. figs. 1-5. 
^ An examination of 50 eels has shown that Dareste’s theory of fruitful 
; (‘ pimperneau ’) and sterile varieties [see Zool. Rec. xii. p. 126] is not 
tenable. 
€ Observations on habits and food of eels; O. Melsheimer, Nature, xv. 
324. 
' Muroena krulli^ sp. n.. Hector, 1. c. p. 468, pi. viii. New Zealand. 
Sternarchus sachsi, sp. n., Peters, 1. c. p. 473, pi. fig. 4, Fernando de 
Apure. 
Gymnotus electricus. Carl Sachs, in “ Beobachtungen und Versuche am 
sudamerikanischen Zitteraale,’^ Arch. Anat. Phys. 1877 (Physiol. Abth.) 
pp. 66-95, gives the results of an expedition undertaken for the purpose of 
studying the electro-motive organs with sufficient apparatus on the spot ; 
the Gymnotes had left the locality in which they were found by Hum- 
boldt, and were studied in a river near Calabozo. 
Synhranchus hieronymi^ doringi^ tigrinus, spp. nn., Weyenbergh, 1. c. 
pp. 14-16, pis. i. & ii., La Plata. 
Synaphohranchus bathybius, North Pacific, and S. affinis^ Japan, spp. nn., 
Gunther, Ann. N. H. (4) xx. p. 445. 
Congromurcena megastoma^ sp. n., id. ibid., Japan. 
Netastoma parviceps, id. 1. c. p. 446, J apan. 
Anguilla brevirostris, sp. n., Cisternas, An. Soc. Esp. vi. p. 108, 
Valencia. 
Ophichthys uniserialis, Cope, P. Am. Phil. Soc. xvii. p. 47, Peru ; O. 
bitoeniatus, Peters, 1. c. p. 556, fig. 2, Mombas : spp. nn. 
LOPHOBRANOHII. 
Ichthyocampus maculatus, sp, n., Alleyne& Macleay, 1. c. p. 353, pi. xvii. 
fig. 2, Darnloy Island. I 
Syngnathus martensi, Peters, figured ; Martens, l.c. pi. xiv. fig. 1. 
PLEGTOGNATHI. 
Monacanthus cirrosus, sp. n., Kossmann & Rauber, 1. c. p. 30, pi. ii. 
fig. 10, Red Sea. 
