List of species in which haematozoa have been found i»vih: 

 Byla caerulea, White— October 1909, Sydney, haemogre- 



garines in two out of two specimens examined ; Dec. 



1909, Sydney, one examined (nil); January 1910,Sydney 



in one out of two examined. 

 XAmnodynastea ta&maniensiSi Giinther — December 1893, 



Myrtletown, Queensland ; trypanosomes present. 

 Limnodijuustcs ovnatus, Gray? March 1910, Harrisville; 



trypanosomes present. 

 With the exception of the trypanosome and the haemo- 

 gregarine to be described further on, we are not aware of 

 any other haematozoa having been recorded from Australian 

 batrachians. We are indebted to the kindness of Dr. T. L. 

 Bancroft for all the films from Queensland frogs. 

 Trypanosomes of Frogs (Figs. 2 - 10). 

 We have received from Dr. T. L. Bancroft, a number of 

 specimens of blood from Queensland frogs, and amongst 

 them were two instances in which trypanosomes were 

 present. One, a frog from Harrisville, in which well pre- 

 served trypanosomes were found with ease, was probably 

 Isinuhxhiiiasti's orimtus. Cray ; in the other, a slide dated 

 "Myrtletown, December 3rd, 1893," in which the species 

 of frog had been indentifiedas Limnodynastes tosmaniensis, 

 Giinther, only one or two specimens of trypanosomes were 

 seen and the stain had faded, whilst re-staining was not 

 very successful. 



Description of the trypanosome from the Harrisville 

 frog :— All the specimens examined were very similar in 

 appearance, differing from each other, mainly in breadth. 

 The posterior ends were gradually attenuated. The 

 prominent kinetonucleus were far removed from this 

 end, and close in front of each was tin- reddish nucleus. 

 The protoplasm of the body stained a deep i,llie 5 occasion- 



