PHYSOSTOMI LEPTOCARDII. 
Pisces. 37 
Neoconger perlongus^ sp. n., F. Poey, Ann. Lyc. N. York, xi. p. 67, 
pi. ix. figs. 3 & 4, Matanzas. 
Murcenichthys hreviceps^ sp. n., Gunther, Ann. N. H. (4) xvii. p. 401, 
Tasmania. , , , 
'/ Ophichthys {Sphagehranchus) anguiformis, sp. n., Peters, 1. c. p. 849, 
Atlantic. 
\/Murcena longicauda, sp. u. ?, id. 1. c. p. 850, Atlantic. 
Murcena panamensis., sp. n., Steindachner, 1. c. p. 67, Panama. 
>/ {Murcena) Gymnothorax umbrosus, pi. ix. figs. 1 & 2, and G/polygonius, 
pi. X. Cuba, spp. nn., F. Poey, 1. c. p. 67. ^ 
'^Gymnothorax vp'escens, p. 178, pi. ix. fig. 1, versipunctatus, p. 199, pi. x. 
and flavo-scriptus, p. 200, pi. ix. fig. 2, spp. nn., id. An. Soc. Esp. v., Cuba. 
LOPHOBRANCHII. 
Syngnathus hlainvillianus, Eyd. & S., from New Zealand ; Gunther, 
.^n. N. H. (4) xvii. p. ^2. / / 
Syngnathus picturatus^linea, and marmoreus^ p. 374, ascendens^ p. 375, 
spp. nn., Poey, An. Soc. Esp. v., Cuba. 
Hippocampus planifrons, sp. n., Peters, MB. Ak. Berl. 1876, p. 851, 
N.W. Australia. 
PLBCTOGNATHI. 
Monacanthus melas, sp. n., Tasmania, and M. hrunneus, Casteln., his 
[Zool. Rec. xii. p. 126], renamed M. dcemeli, or M. dcevfieli^ sp. n., 
Sydney ; Gunther, Ann. N. H. (4) xvii. p. 402. 
Batistes poly lepis^ sp. n., Steindachner, 1. c. p. 69, Magdalena Bay. 
Tetrodon fuerthi^ sp. n., id. 1. c. p. 70, Panama. 
y/ Chilomycterus orhitosus, sp. n., F. Poey, Ann. Lyc. xi. p. 69, Cuba. 
OYOLOSTOMATA. 
Huxley, T. H, On the Nature of the Craniofacial Apparatus of 
Petromyzon.'^ J. Anat. Phys. x. pp. 412-429, pis. xvii. & xviii. 
f'/ Ewart, J. C. Note on the Abdominal Pores and Urogenital Sinus of 
j the Lamprey. Tom. cit. pp. ^88-493. 
LEPTOCARDII. 
/ \/ Amphioxus. Considered in its general relations to other animal types, 
\ and separated as a distinct order under the name of Entomocrania ; 
\^T. H. Huxley, J. L. S. xii. pp. 216-223 [cf. anted, p. 2]. 
^ On its spinal nerves ; F. Balfour, J. Anat. Phys. x. pp. 689-692. On 
some points in its structure, and their bearing on the naorphology of 
