PHYSOSTOMI. 
Pisces 23 
MORMYRIDiE. 
Mormyrus {Petrocephalus) viarchii, Sauv., fig. 5, simus, Sauv., fig. 3, 
and affinis^ Sauv., fig. 2, figured by Sauvage, N. Arch. Mus. (2) iii. pi. ii 
[1880]. 
Mormyrops sphekodes, Sauv., figured ; id. ibid. fig. 4 [1880]. 
Salmonid^e. 
Miescher-Rusch, F. Ueber das Leben des Rheinlachses im Siiss- 
wasser. i. Abhandluug. Die Milz des Rheinlachses und ihre 
Verander ungen. Arch. Anat. Phys. 1881, pp. 193-218, pis. viii. 
& ix. 
Jordan, D. S., & Gilbert, C. H. Observations on the Salmon of the 
Pacific. Am. Nat. xv. pp. 177-186. 
Notes on Salmonidm of the Upper Columbia, by C. Bendire, P. U. S. Nat. 
Mus. iv. pp. 81-87. Valuable notes on Oncorrhynchus nerka, with figure ; 
and on other Salmon and Trout. Salmo Tcennerlii shown to be young 
male of 0. nerka. 
Osmerus attenuatus, sp. n., Lockington, P. U. S. Nat. Mus. iii. p. 66 
[1880], Coast of California. 
Hypomesus olidus. Remarks on this fish and on the method of taking 
them by the Quillehute Indians, West Coast of Washington Territory ; 
J. G. Swan, P. U. S. Nat. Mus. iii. pp. 43-46 [1880]. 
Thalcichthys pacijicus. Extensive remarks on its habits, fishing opera- 
tions, economic uses, &c. ; id. L c. pp. 257-264 [1880]. 
Coregonus laurettce, sp. n.. Bean, P. U. S. Nat. Mus. iv. p. 157, Alaska. 
Argentina sphjrcena. On the occurrence of a specimen on the shore of 
the Moray Firth, Banffshire ; T. Edwards, J. L. S. xv. p. 334. 
Hyphalonedrus, g. n., for H. clialyheius^ sp. n., Goode, P. U. S. Nat. 
Mus. iii. pp. 483 & 484, South Coast of New England. 
HAPLOCHITONIDiE. 
Saurida truculenta, p. 219, Port Jackson, and argentea, p. 220, 
Endeavour River, spp. nn. ; Macleay, P. Linn. Soc. N. S. W. vi. 
Clupeid^. 
• Clupea harengus. F. Heincke publishes an extensive contribution to 
the study of the varieties of the Herring, entitled, “ Die Varietaten des 
Herrings, ii, Thiel. Zugleich ein Beitrag zur Descendenztheorie und 
Systematik.” vii. Bericht der Commission zur Untersuchung der deut- 
\^schen_Meere (Berlin ; 1881, 4to), 85 pp. 3 pis. 
""Alosa sapidissima. On the retardation of the development of the 
ova ; J. A. Ryder, Bull. U. S. Fish. Comm. 1881, pp. 177-190. 
Pristigaster sinensis, sp. n., Sauvage, Bull. Soc. Philom. (7) v. p. 107, 
S. China. 
