192 
Psyche 
[December 
Chichen Itza, several females and males, off a “deer,” 
February 10, 1930 (obtained from a native hunter by Dr. 
G. C. Shattuck) . 
It is unfortunately not possible to state whether the host 
of these parasites was the brocket or the Yucatan deer; 
possibly both animals harbor this Lipoptena . The brocket, 
Mazama pandora Merriam, “ corzo ” in Spanish and “Yuk” 
or “ Yuk-keh ” in Maya, has short, unbranched antlers in 
the male. The Yucatan deer, Odocoileus toltecus (H. de 
Saussure) (= yucatanensis Hays), “venado” in Spanish 
and “Keh” or “Kieh” in Maya, has, in the male, antlers 
with a few ramifications. Both are widely distributed in 
Yucatan and are known to occur near Chichen Itza. Fer- 
ris records L. mazamse from Mazama sartorii reperticia, in 
Panama (collected by L. H. Dunn), and Bau from Mazama 
nemorivaga , in Bolivia. 
I have also seen many speicmens of L. mazamse from 
“deer,” obtained at Peten, Guatemala; Kartabo, British 
Guiana; and Manaos, Amazonas, Brazil. No structural dif- 
ferences can be detected among the four series studied. 
Rondani mentioned no locality for his type; but, since it 
came from Bellardi’s collection and the host was given as 
“Cervus mexicanus it was evidently obtained somewhere 
in Mexico. 
My interpretation of L. mazamse is the same as that of 
Ferris and Cole, who saw specimens from Yacuiba, Bolivia, 
and from Chiriqui Province, Panama. The species is dis- 
tinct on structural characters from Lipoptena depressa 
(Say) . On the other hand, Townsend’s lengthy description 
of his var. mexicana fits, in all essential details, specimens 
of L. mazamse. Color characters are not of specific value 
in this genus ; they are liable to change in life after hatch- 
ing, as well as after death, and they may differ according 
to whether the specimens are kept in a fluid or preserved 
dry. Moreover, Townsend’s notes on the color were writ- 
ten largely from memory. One of the few structural fea- 
tures mentioned by Townsend is the shape of the male 
organ, which is said to be “moderately stout and blunt at 
tip.” This would seemingly describe the “inner ring-like 
