30 Pisces . 
V. PISCES. 
On the extrinsic muscles of the air-bladder as subordinate to the voluntary 
production of sounds, and on the function of the Weberian ossicles ; 
SCrensen,, J. Anafc. PhysioJ. norm. path, xxix, pp. 599-423, 518-552. 
On the dendritic appendage of the urogenital papilla of Plotosus anguillaris ; 
Hi rota, J. Coll. Japan, viii, pp. 367-380, pi. xxxvi. 
Clarices lazera , C. & V. : on the terrestrial habits ; Vaillant, Bull. Mus. 
H. N. 1895, p. 271. C. camerunensis, n. sp., LOnnberg, Ofv. Ak. 
Forh. 1895, p. 182, Cameroons. 
Gymnalabes typus, Gthr., n. var. heterocercalis ; LOnnberg, t. c. p. 184, 
Cameroons. 
Ameiurus dugesi , Bean ; notes by Woolman, Bull. U. S. Fish Comm, 
xiv, p. 61. 
Noturus miurus , Jord., and eleutherus , Jord. : notes by Meek, t. o. p. 75. 
Pi melodics guttatus , n. sp., LCnnberg, t. c. p. 184, Cameroons. 
Galeichthys gilberti , p. 395, pi. xxvi, and azureus , p. 398, pi. xxvii, n. spp., 
Jordan & Williams, P. Calif. Ac. (2) v, W. Coast of Mexico. 
Euanemus nigripinnis , n. sp., Boulenger, P. Zool. Soc. London, 1895, 
p. 524, Paraguay. 
Synodontis marmoratus , n. sp., LOnnberg, t. c. p. 186, Cameroons. S . 
polyodon, Ogowe, and frontosus , White Nile, n. spp., Vaillant, C.R. 
Soc. Philora. 1895, p. 48. 
Oxydoras eigenmanni , n. sp., Boulenger, t. c. p. 524, Matto Grosso, 
Brazil. 
Hassar wilderi , n. sp., Kindle, Ann. N. York Ac. viii, p. 251, Trocera, 
Brazil. 
Malapterurus beniensis , Murr. : notes by LOnnberg, t, c. p. 187. 
Callichthys pectoralis , n. sp., E»oulenger, t. c. p. 525, Paraguay. 
Hypoptopoma gueutheri and steindachneri , n. spp., Boulenger, t. c. p. 526, 
Brazil. 
Plecostomus ternetzi ) n. sp., Boulenger, t. c. p. 525, Paraguay. 
Hemiancis trus, Blkr. : key to the species by Kindle, Ann. N. York Ac. 
viii, p. 253. II. longispinis , n. sp., id. ibid. p. 256, Trocera, Brazil. 
Chcetostomus gigas , n. sp., Boulenger, t. c. p. 526, Paraguay. 
Loricaria parva , p. 527, Matto Grosso, Brazil, labialis, p. 527, Paraguay, 
and apeltogaster , p. 528, Paraguay, n. spp., Boulenger, t. c. L. 
catamarcensisi , n. sp., Berg, An. Mus. Buenos Aires, iv, p. 137, 
Catamarca, Argentina. 
Trichomycterus corduvensis , Weyenb., and T. tenuis , Weyenb., =s T. areo- 
latus , C. & V. ; Berg, t. c. p. 143. 
Pygidium burmeisteri , n. sp., Berg, t, c. p. 128, pi, ii, fig. 1, Mendoza. 
SCOPELIDJJ. 
Alepisaurus cesculapius , Bean, described and figured by F. Hartley, 
P. Calif. Ac. v, p. 49, pi. ii. 
Chlorophthalmus corniger , Ale., figured by Alcock, 111, Zool. Investig., 
Fish, iii, pi. xv, fig. 8. 
