966 The Progress of Arachnology in America. 
not familiar with it, and that he redescribed some, z not 
of Walckenaer’s species. 
- Nothing more appeared until 1854, when Charles Girard pub- 
lished descriptions of Mygale hentzii and Lycosa pilosa, collected i 
on Marcy’s Red River expedition. The former is the “ tarat- 
tula” of the Southwest, so commonly found in collections, 
Ten years later (1864) Count Keyserling commenced a series — 
of papers, largely on American spiders, which have resulted it — 
some of the most extensive monographs that have appeared où 
the spiders of this or any land. The first two papers (1864-65) 
were on the Epeiridz, or round-web spiders ; later have appeared a 
eight shorter papers, the last six (1879-84) forming a series et- 
titled “Neue Spinnen aus Amerika.” Most important of al, 
however, are his elegant quartos, “ Die Spinnen Amerikas,” i 
which two volumes have already appeared. The first, on the a 
Thomisidz; or laterigrade spiders, appeared in 1880, and de 
scribes three hundred and fifteen species, of which one hundred 
and eighteen are new. These are from all America, 
well as North. The second volume, on the Therididæ, appeared 
in two parts (1884 and 1886), and describes three hundred ani 
twenty-five species, of which two hundred and thirty-eight a 
new. One hundred and thirty-five, including seventy-five a% 
species, are from North America; the remainder are from 
merica. 
In 1869, Giebel described six species of spiders from is 
of which four were new. Two years later (1871) Anton Aut 
serer published extensive notes on the Mygalida, or trap- 
spiders, of which a considerable number were from Ane’ 
_ Gave a revision of the genera, which is now largely 8 
_ 1875 he published a supplementary paper on the same a 
In the same year also appeared a paper by John 
on spiders from Canada, describing five new species 
vicinity of Montreal. 
Rev. O. P. Cambridge, the AT ation of «The S pi h 
of Dorset,” published in 1874 and 1875 two short | 
some New Species of Erigone from North America,” H 
1881 a paper on “ Newfoundland Spiders.” In 1874, J- a 
i 
_ American to bring to light new forms of our spi 
= menced publication of the results of his studies. 
