LORQUINIA 
83 
1. Bntosphenus tridentatus (Gairdner). 
The large eel-like lamprey runs up the Santa Ana River to 
spawn. We found the eye-less worm-like larvae of lampreys in the 
mud along Los Angeles River.,^ 
2. Notolepidomyzon santa-anae (Snyder). 
The Santa Ana Sucker was described in 1908 from specimens 
collected at Riverside. We have found it in Rio Hondo, Los Angeles 
River, and Arroyo Seco. The larger suckers in the upper San 
Gabriel are probably of this species. 
3. Richardsonius orcutti (Eigenmann and Eigenmann). 
The abundant southern California Minnow has been recorded 
from Temecula, San Luis Rey, San Jacinto, and Santa Ana Rivers, 
while our specimens come from Santa Ana River, San Gabriel River, 
Rio Hondo, Los Angeles River, Arroyo Seco, Ballona Creek, and 
Malibu Creek. 
4. Agosia nuhila carringtonii (Cope). 
Spring minnows, apparently of this form, occur in the Santa Ana 
River. They can be told from the other minnows by their smaller 
scales and sharper snout, which projects a little beyond the mouth. 
5. Salmo irideiis Gibbons. 
The steelhead trout runs into some or all of the streams of the 
Santa Ana System. The land-locked individuals of the mountain 
streams are known as Rainbow Trout. 
6. Salmo evermanni Jordan and Grinnell. 
A fine-scaled trout described from the head waters of the South 
Fork of the Santa Ana River. 
7. Gasterostcus cataphractus unllimnsoni Girard 
The smooth-sided Stickleback of the Santa Ana System is abun- 
dant everywhere. 
NOTES ON AN ARMY SEEN IN MEXICO 
In the interests of the U. S. Government I spent the month of 
March, 1917, in Mexico, most of the time on the island of Magdalena. 
Rumors of German submarines and Japanese activity were not the 
cause of my visit, and during the first part of my stay I saw no mili- 
tary activity. 
But suddenly, one morning, in attempting to cross the island, 
which the previous day seemed devoid of life, I found the intervening 
plain teeming with life whose 
''Glancing arms and helmets bright 
In martial splendor — " 
shone brightly in the tropical sun. By chance I had an unrivalled 
opportunity to watch the maneuvers of a hundred thousand soldiers 
strung in battle array. The soldiers had evidently lately discarded 
their old uniforms for new, and marched back and forth on the sandy 
