ANACANTHINI. 
Pisees 24 
narrow stripes of minute teeth ; barbel none ; one short anterior dorsal, 
the second immediately behind the first, and with anterior rays well 
developed ; it is continued to end of tail ; anal like second dorsal ; outer 
gill-rakers of first branchial arch strong and long, longer than the gill- 
laminae ; ventrals composed of several rays, slightly in advance of the 
pectorals ; bones flexible ; mucous cavijiies of the head small. Allied to 
Strinsia, but with different dentition. M. gracilis, sp. n., Gunther, Ann. 
N. H. (5) ii. p. 19, Antarctic. 
Lotella marginata, sp. n., id. ibid. S. Americjf, Pacific. 
Haloporphyrus rostratus, p. 18, S. Pacific, australis, p. 19, Magellan 
Straits, id. 1. c., spp. nn. 
Ophidiid^. 
Acanthonus, g. n. Head large and thick, armed in front and on the 
opercles with strong spines ; trunk very short, the vent being below the 
pectoral ; tail thin, strongly compressed, tapering, without caudal ; eye 
small ; mouth very wide, with the teeth in villiform bauds in jaws, on 
vomer and palatine bones, and along the hyoid ; barbels none ; ventrals 
reduced to simple filaments, placed close together on the humeral sym- 
physis ; gill-membranes not united ; gill-laminae remarkably short, gill- 
rakers long, lanceolate, stiff ; scales extremely small ; bones of the head 
soft. A. armatus, sp. n., Gunther, 1. c. p. 23, north of New Guinea* 
Bathygadus, g. n. Snout not projecting beyond mouth ; mouth wide, 
anterior and lateral. Eye small or of moderate size ; teeth in both jaws 
villiform, in narrow bands which occupy the whole length of the jaws : 
barbels present or absent ; the two dorsal fins almost contiguous, anterior 
rays of second not shortened, but gradually diminish in length in the 
narrow posterior portion of the tail ; anal rays feeble ; boneS' of the head 
cavernous, soft, without prominent ridges ; scales small, cycloid, deci- 
duous. B. cottoides, sp. n., id. 1. c. p. 23, between New Zealand and 
Kermadec Island. 
Bathynectes, g. n. Anterior part of body rather compressed, posterior 
produced into long tapering tail without caudal ; snout not swollen, jaws 
equal or nearly equal in front ; mouth very wide, teeth in villiform 
bands in jaws, on vomer and palatine bones ; barbel none ; ventrals 
reduced to simple or bifid filaments, close together and near to the 
humeral symphysis ; gill-membranes not united ; gill-laminse remarkably 
short ; the middle pieces of the first branchial arch have the, gill-rakers 
of the outer series much elongate, stiff ; bones of head soft and cavern- 
ous ; operculum with a very feeWe spine above. A true deep-sea form 
allied to Sirembo. B laticeps, p. 20, Mid Atlantic, compressus, p. 21, 
New Guinea and Mid Atlantic, gracilis, p. 21, New Guinea, id. 1. c. 
spp. nn. 
Typhlonus, g. n. Head large compressed, with most of the bones in a 
cartilaginous condition ; the superficial bones with large muciferous 
cavities not armed ; snout a thick protuberance, projecting beyond the 
mouth, which is rather small, inferior ; trunk very short, the vent being 
below the pectoral ; tail thin, strongly compressed, tapering without 
