56 U. S. P. R. R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
3. SOREX PARVUS. 
Sorex parvus, Say, Long. Exped. I, 1823, 164. 
Hartan, F. A. 1825, 29. 
Bacuman, J. A. N. Sc. Ph. VII, 1837, 394. (Copied.) 
? Aup. & Bacu., N. A. Quad. II, 1851, 145; pl. Ixx. 
The Sorex parvus of Say is yet an unidentified species, though it comes very close to the S. 
cinereus of Bachman, and may possibly one day supplant this name. The animal referred to by 
Aud. and Bachman differs in some points from Say’s description, and will probably prove to be 
different. The indication of 32 teeth, if correct, would confirm this impression, as Say’s animal, 
in all probability, had but 30. The specimen from Carlisle, Pennsylvania, described under the 
head of Blarina cinerea, may be the same with that of Aud. and Bach., while that from Illinois 
(2166.53) comes still nearer to it. 
In any event, the Sorex parvus of Say will be found to belong to the genus Blarina, and to 
have probably 30 teeth. 
4. SOREX HARLANI. 
Sorex (Brachysorex) harlani, Duvernoy, Mag. de Zool. 1842, 40; pl. liii, 6. 
Sorex harlani, Wacner, Suppl. Schreb. V, 1855, 550. 
This diminutive species of Blarina was collected at New Harmony, Indiana, by T.esueur, and 
described by Duvernoy. It belongs to the section with 30 teeth, and measures about 2} inches, 
with a tail of 0.55 or 0.60 hundredths. It is of a brownish-gray above and on the sides, and a 
purer gray beneath. The distinctive characters from Sorex parvus of Say, and S. cinereus of 
Bachman, are by no means apparent. 
Of the preceding species, the two first are unquestionably distinct and different from any here 
described. The last two may possibly belong to species already referred to. 
