784 General Notes. [ December, 
NOTE ON THE NOMENCLATURE OF HESPEROMYS AMERICANUS 
CovEs AND YARRow.—A note recently published in the Annals 
Mag. Nat. Hist., by Oldfield Thomas, Esq., ‘ a io one Kerr’s 
Translation of the ‘Systema Nature’ of Lin ” gives some 
important information respecting that rare aia’ eral book. It 
appears that, among the Mammalia, the species described in Pen- 
nant’s History of Quadrupeds (1781), and Phillips’s Voyage t 
Botany Bay (1789), here receive Latin names, forestalling those 
in Shaw’s General Zodlogy (1800-1804). 
Among such names are a number affecting North American 
species. Thus, Lutra canadensis, Mustela americana and Didel- 
hys virginiana must be accredited to Kerr, 1792, not to Shaw or 
Turton, as we have usually done. 
rom a private note, kindly addressed to me by Mr. ae ae 
it appears, among other things, that americanus Kerr, must 
used instead of /ewcopus Raf., for the common American Pn 
footed mouse, there being i in Kerr, on p. 231, a certain Mus agra- 
rius americanus, which is based on Pennant, Hist. Quad., No. 302 
b. In their article on Mammals, in Vol. v. of the Wheeler quarto 
Report of the Survey west of the rooth meridian, Drs. Coues 
and Yarrow called the species H. americanus (Kerr) ; but after- 
wards, having meanwhile no opportunity of verifying the refer- 
ence, Dr. Coues reverted to the use of H. leucopus eo in Monog. 
Rodentia, Muride, p. 50 (see also note (2) on p 
Unless, therefore, some still earlier name be  Sithicbeataes this 
mouse must bear that at the head of this article, and its sub- 
canus sonoriensis, H. americanus eremicus, H. aihevicániis ossy- 
pinus, etc.—FElliott Coues, Wasket, D. C 
Tue FISHES or KLAMATH Lake, Orecon.—A collection made 
at various points on the Upper Klamath lake yielded eight spe- 
cies of fishes, as follows : 1. Salmo iridea Gibb. This trout is 
n 
and with its congener below named, of no little interest, as ex- 
tending the range and characters of Jordan’s little-known genus 
Chasmistes. Form elongate, head long, flat above, and with a 
robe fontanelle. Mouth terminal, the spines of the premaxillary 
bones projecting so as to form a hump on the top of the snout. 
~ Lower lip a very thin dermal fold, extending entirely around the 
chin. Scales 12-80-9; radii D. 11, A.9. Color clouded above with _ 
_ black eo below paler, with red shades in some speci- 
get ee 
