NEW YORK ZOOLOGICAL PARK. 177 
VENEZUELAN BOA. 
The Broad-Nosed Crocodile, (Ostcolaemus tetraspis), of 
Africa, is represented by two specimens. This species is 
characterized by the broad, bony-looking head. It is one of 
the smaller crocodilians attaining a maximum length of five 
feet. 
THE LIZARDS. 
The Tropical Lizards.—Several families of lizards are 
represented among the specimens occupying the Reptile 
House, the Tortoise room and outside runways. Among 
these are the Iguanas, Tegus and Monitors. 
Among the Iguanas are several large and interesting liz- 
ards. The largest of these is the Rhinoceros Iguana, (Cy- 
clura cornuta), found in Hayti. Contrary to the general 
belief, but like all the Iguanas, it is partly carnivorous, 
though it feeds largely upon vegetables and fruit. This 
species receives its name from the presence of three well- 
defined horns upon the snout. 
The Mexican Iguana, (Ctenosaura acanthura), looks 
unique in the possession of rings of sharp spines about the 
tail. Most specimens are jet black when adult, but very 
young examples are pale green. 
The South American Iguana, (J guana tuberculata), may be 
readily distinguished by the very pronounced fringe of 
