500 ZOOLOGY. 
ogamic botany with DeBary of Strasburg, Miiller of Geneva, and 
Thuret of Antibes. Through the month of August he takes charge 
of the summer botanical instruction at the Botanic Garden of 
Harvard University, which is for this month devoted to crypto- 
gamic botany exclusively, mainly to Fungi and Alge. We under- 
stand that he is engaged in the preparation of a manual of our 
New England Marine Algæ, which, for a beginner, is very much 
needed. 
ZOOLOGY. 
New Srecies or Norta American Bird. — On investigation of 
the interesting sandpiper from the Prybelov Islands, lately beg 
tioned by Mr. Dall in the Narura.ist (vii, 1873, 634) as Tring 
“ crassirostris,’ and given under this name in my “ Check List 
(No. 426 bis upon Mr. Harting’s identification, I found that the 
bird is not T. crassirostris but an apparently new species, which, 
in my late appendix to H. W. Elliott’s Report on the Prybelov 
Islands (1873), I have named Tringa ptilocnemis. As thew 
just mentioned is not generally accessible, owing to the smallness 
a. 
gi 
chestnut-brown, paler ochrey-brown and whitish; ` 
feather being black with one or another or all of these various edgingsi 
the coronal separated from the interscapular markings 9. 3 i 
white, dusky-streaked, cervical interval. Lower back, rump an 
tail coverts blackish-brown, onl 
e greater ones with broad definitely white tips. 
pure white, a few of the outermost and innermost also, 
ruptly paler, grayish; rest white or nearly so, with a ee 
Front and sides of head, supraciliary line, tufts of flank fea 
entire u 
perfectly continuous nor well-defined black area, and mark 
reast and sides with a few narrow sharp blackish shaft lines. 
auricular patch. Legs and bill dark. Length about 9°50 
