18 Fiscea, 
PISCES. 
LuCIOCEPHALIDiE. 
Lucioc6i)lmlm imlchevy Gray, figurod ; Martens, 1. c. pi. x. v. lig. 3. 
Aphredodeeidjs. 
D. Jordan considers the proper etyniology of this name to be AjjJiode. 
deridw ; Bull. Nat. Mus. x. p. 52. 
Sternoiremia, g. n., Nelson, Bull. Mus. Illin. 1876, altered to Astemo- 
tremia ; its distinction from Aphodederus consisting in the vent being 
placed, not in the ♦ sternon,’ but entirely behind it. A. mesotrema, sp. n., 
Georgia, Jordan, 1. c. x. pp. 51 & 52. 
Aphodederus cQohianus^ sp. n., Jordan, P. Ac. Philad. 1877, p. 60, and 
Bull. Nat. Mus, x. p. 52, Indiana, Illinois. 
Elassominm (Subfam. n.). 
Elasso[so]ma, g. n, Form, and to some extent aspect of Aphodederus^ 
but more compressed ; fins small j dorsal with spines ; anal with 3 ; ven- 
trals distinct, thoracic, each with one small spine and 5 soft rays ; branchio- 
stogals apparently 5 j mouth small, oblique, lower jaw longest, each jaw 
apparently with a single row qI large conical teeth, no vomerine tooth (V); 
cheeks and operejes spaly ; no visible lateral line ; branchiostegal mem- 
brane broadly united across pectoral region ; caudal truncate ; vent 
normal. Type, E. zonata sp, n., Jordan, Bull. l^at. Mus, x. 
p. 50, Arkansas and Texas. 
It being impossible to determine the character pf the pharyngeal bones, 
this genus cannot at present be referred to its proper f annly ; it possibly 
however, belongs to the Cichlidce. 
Notacanthi. 
Notacanthus. On the species, with particular notice of N. nusus, Bl- ; 
0, Lutken, Yid. Medd, 1877, pp. 145-153, 
40ANTHOPTURYGII PIJARYNGOGNATHI. 
POMACENTKID^, 
Bleekek, P, Notice sur les especes nominates des Pomacentroides de 
rinde Archip^lagique. Arch. Neerl. (6) xii. pp. 38-41. 
The merely nominal species being subtracted, there remain 82 or 83 
species in the Indian Archipelago. 
Figures of the following are issued by Bleeker in Atl. Ichth. vol. ix. 
(livr. 35) : — Prochilus ephippium^ pi. cccci. figs. 1 & 9 ; Dischistodus 
annulcUus, fig. 2, hifasciatus, fig. 3, notophthalmua, fig. 4, and pi. ccccii. 
fig. 4 ; Prochilus macrosloma^ fig. 5, polylepis^ fig. 6, 7nelanopus, fig. 7 ; 
Dischislodus fasoiatus. Gill, fig. 8 ; Glyphidodon^ ternatensis, pi. ccccii. fig. 1 ; 
Prochilus rosenberyi, fig. 2 ; Potnacentrus moluccensis^ fig. 3 ; Chi'omis 
