48 Psyche [Sept.-Dee. 
afrikas. There are now six more species recorded from South 
Africa and two palaearctic species from Europe and Siberia. 
Although up to the time of writing, the genus A poly sis has not 
been recognized as found in America, I have in press for pub- 
lication in the Annals of the Entomological Society of America 
a tabulation of nine species, eight of which are new, which oc- 
cur in Southern and Lower California. 1 The recent American 
species are small, ranging from 0.75 to 3 mm., hence the name 
selected for the large Tertiary species, magister, Latin, the 
leader of his tribe. 
1 Since published in vol. 39, no. 3, pp. 451-495. 
Description of Plate IJ 
Fig. 1, Leptogaster prior , n.sp. (X6) ; 2, Asilus curculionis , n.sp. (X4.4) ; 
3, Apolysis magister, n.sp. (X6) 
The Genotype of Mimetus Hentz 
Some time ago, Mr. Banks called my attention to a curious 
mistake in the selection of the genotype of the genus Mimetus 
Hentz, a well known genus of spiders. 
The genus of Mimetus was erected by Hentz in 1832, in an 
article “On North American Spiders’ 7 in Silliman’s Journ. Sci. 
Arts, 21, pp. 99-152. The article is reprinted in the collected 
papers of Hentz in 1875, in the Occ. Pap. Boston Soc. Nat. Hist., 
vol. 2, pp. 1-15. This is the edition usually used. In the 1832 
article, Hentz mentions but one species, Mimetus syllepsicus 
and of this he had only one specimen which he found in the web 
of Eperia lahyrinthea. 
In the paper of 1850, Journ. Boston Soc. Nat. Hist., pp. 18-35, 
Hentz redefines the genus and describes three species, M. inter- 
fector, M. tuberosus and M. syllepsicus. The first species, M. 
inter fector, has been recognized as the genotype and the other 
two have been considered as synonyms. But by the generally 
accepted rules of taxonomy, the single species used at the time 
the genus was defined, automatically becomes the genotype, so 
if this rule is followed the genotype of Mimetus is syllepsicus 
Hentz. — E. B. Bryant 
