CnONDROPTRRYGTI, ACANTHOrTERYGII. VlSCCS. 9 
1. c. XV. p. 292. [A still later and most elaborate memoir by P. Pavesi 
bears date 1878.] 
Cmiro 2 )horus squarmtlosus and foliaceus^ Giinther, Ann, N. H. (4) xx. 
p. 433, Japan, spp. nn. 
Batoidet. 
( Malm, A. Bidrag till Kanuedom om utvecklingen af Raja. CEfv. Ak. 
Forh. xxxiii. 3, pp. 91-101. 
Rhinobatus Tialavi^ Rp. Notes on this species, which is probably iden- 
tical with R. undulatus ; Kossmann & Rauber, 1. c. p. 32. 
Torpedo. On the electric discharge ; Marey, 0. R. Ixxxiv. pp. 190-192 
and 354-36G. On the terminations of the nerves in the electric apparatus ; 
C. Ronget, 0. R. Ixxxv. pp. 485-487. 
Raja {Malacorrhina) miray Garman, P. Bost. Soc. xix. p. 207, Mejil- 
lones ; R. isotrachys, GuniheVy Ann. N. H. (4) xx. p. 434, Japan ; spp. nn. 
Psammohatis hrevicaudatus, sp. n.. Cope, P. Am. Phil. Soc. xvii. p. 48, 
Peru. 
Sympterygia acuta, sp. n., Garman, 1. c. p. 206, Buenos Ayres. 
DisceuSy g. n., for Trygon strongylopterus, Schomb. ; Garman, 1. c. 
p. 208. 
Potamotrygon, g. n., for Trygon hystrix, M. & H., T. motoro, M. & H., 
and Ellipesurus spinicauda, Schomb. Id. 1. c. p. 210. 
Myliohatis tenuicaudatus, sp. n., Hector, Tr. N. Z. Inst. ix. p. 4C8, pi. x. 
New Zealand. 
TELEOSTBI. 
ACANTHOPTBUYGII. 
Percid.®. 
Boleichthys eos, sp. n., Jordan & Copeland, P. Ac. Philad. 1877, p. 46, 
Wisconsin, &c. 
Etheostoma nigrum, Raf. : synonymy, Jordan, 1. c. p. 48. E. squami- 
cpps, sp. n., id. Bull. Nat. Mus. x. p. 11, Kentucky. 
A Ivordius (^Etheostoma) phoxocephalum, sp. n.. Nelson, Bull. Illinois 
Mus. i. [1876] ; Illinois, redescribed, p. 50. Etheostoma hlennioides, Kirtl., 
renamed A aspro, p. 51 ; A. evides, sp. n., p. 51, Indiana : Jordan, 
P. Ac. Philad. 1877. 
Ericosoma, g. n., for A Ivordius evides, separated from Alvordius \ id. 
Bull. Nat. Mus. x. p. 8. 
Percina manitou, sp. n., id., P. Ac. Philad. 1877, p. 53, Indiana. 
Comparison of Etheostomoid genera ; id. 1. c. pp. 54-56. 
Analysis of genera and catalogue of species ; id.. Bull. Nat. Mus. x. 
pp. 12-19. 
Iladropterus nigro-fasciatus, Agass., redescribed ; id., Ann. Lyc. N. 
York, xi. p. 310. 
Boleosoma stigmceum, sp. n., id. tom. cit. p. 311, Upper Georgia. 
Ammocrypta, g. n. Allied to PleufolepiSy kg. Body greatly elongated. 
