PHYSOSTOMI. 
Pisces 31 
described and life-colours given ; iid. t. c. p. Id. If. moutanus , sp. n., 
Meek, p. 526, Upper Missouri. 
Minnilus ( Lythrurus ) nigripinnis, sp. n., Gilbert, (a) p. 513, and (b) 
p. 14, Kansas River. 
Notropis lirus — alabamce , Jord. & Meek; Jordan, (a) p. 548. N. 
lutrensis (B. & G.), = Moniana gibbosa , &c., Girard, = jug alls, Cope, = 
Hypsilepis iris , Cope, — Cyprinella forbesi, Jord., described, and life- 
colours given, also of N. rubrifrons , Cope, p. 9, and N. topelca , Gilbert; 
N. umbratilis , Girard, == nigripinnis , Gilbert, p. 11; N. dilectus , Girard, 
is adult of Alburnus oligaspis , Cope, p. 16 : Jordan & Meek, (a). N. 
deliciosus, Girard, = Hybopsis missuriensis , Cope ; H. stramineus , Cope, 
is a doubtful variety of this species, p. 4 ; whipplei , Girard, = analostana , 
Girard; megalops , Raf., = cornutus, Mitch. ; rubrifrons , Cope, = perco- 
bromus , Cope, p. 5; gilberti , sp. n., p. 4, Osage River: iid. t. c. 
Phenacobius mirabilis, Girard. Notes by iid. t. c. p. 6. 
Platygobis pallidus , Forbes, is probably the young of P. gracilis , 
Richards; t. c. p. 13. 
Semotilus. Bicknell & Dresslar give a review of this genus, distin¬ 
guishing 3 species (S. atromaculatus , thovenianus, and bullaris ), of which 
notes and the synonymy are given, p. 14. 
Notemigonus americanus and chrysoleucus, Mitch., are geographical 
varieties of the same species ; Jordan & Meek, (a) p. 16. N. bosci, C. 
& V., to be used for americanus , L.; Jordan (c) p. 73. 
Cyprinis caipio, E. How to distinguish sex ; Smiley, p. 36. 
Aspius alburnus, L., described and figured ; Sundman, pt. v. p. 3, 
pi. xiv. 
Schizothorax kolpalcowsJcii , sp. n e , Nikolski, p. 12, Balchasch Sea. 
Cyprinodontid^:. 
Zygonectes nottii , Ag., redescribed, p. 557, and auroguttatus, sp. n. 
(= rubrifrons , Jord., = probably henshalli, Jord., fide Bean); Hay, 
p. 556, Florida. 
Heterandria ommata , Jordan (= Zygonectes mcinnii , sp. n., Hay), de¬ 
scribed by id. p. 555. 
Umbria. 
Notes on the differences and synonymy of Umbra limi , Kirtl., and 
pygmcea , De Kay; Blatchley, (a) p. 12. 
ScOMBRESOGIDiE. 
Exoccetus. Notes on “Flying Fish” ; Carpenter & Mitchell. Jordan 
& Meek (b) give a review of the American species of this genus, which 
may be regarded as supplementary to Liitken’s paper published in 1876. 
The authors divide the group into 4 genera or subgenera, i.e., Fodiator 
(g. n., resembling Parexoceetus in dentition and general characters, but 
differing in the form of its jaws, which indicate a transition towards 
