29^ 



PICKEL. 



[Vol. II. 



loiigicollis, Ejnydura krefftii, and Eniydura latistenmm were 

 all observed and caught by me in the Burnette River in Aus- 

 tralia. They were taken in the middle course of the river. 

 All three species live in those portions of the river where the 

 water runs more slowly, and where the water plants are most 

 abundant, in the so-called ' water holes ' of the colonists. They 

 are exclusively carnivorous, their diet consisting of all kinds of 

 water animals. All three species are very rapacious. They 

 often snatched the bait from the hooks which I had left dan- 



Jr.W.-A 



Fig. 4 shows in part the urinogenital organs of a young female Chclodina longicollis. — R., rectum ; 

 B., bladder; Ac. bl., accessory bladders with a common aperture , iz/. ; u. c, deep urinogenital 

 canal ; Cli., clitoris ; CI., cloaca. 



gling in the water or on the bottom. I have rarely seen the 

 animals on land. When disturbed CJiclodina longicollis does 

 not draw its head back straight in under the carapace, but folds 

 it over to one side." 



W. A. Haswell (8) found that the turtles of genus Chclodina 

 have the habit of lying on the bottom of rivers and of drinking 

 and then ejecting the water. 



H. T. McCooen (ii) states that the female of the genus 

 CJiclodina often goes a distance of three hundred meters on 

 land to lay her eggs. She carries at least half a liter of water 



