Australian Botifera. By James Murray. 107 



Notes on the Species. 



Philodina australis sp. n., pi. IV. fig. 1. 



Specific Characters. — Small, hyaline, free-swimming ; corona as 

 wide as trunk ; sulcus as wide as disk ; lobes of upper lip widely 

 separated, not reaching level of convex bridge ; rostrum and antenna 

 short ; eyes small, oblong ; teeth 2 ; foot 4-jointed ; spurs short, 

 conical, acute, divergent, without interspace. 



Length 280 //,, width of corona 85 /a, neck 48 /*, trunk 85 fi. 

 Central trunk barrel-shaped ; collar inconspicuous ; jaw triangular. 



Apparently an eastern representative of P. mcgalotrocha, which 

 it closely resembles. It differs in the smaller corona, short rostrum, 

 and short antenna. P. megalotrocha has larger eyes and tup-shaped 

 trunk, and it usually keeps the rostrum extended when swimming, 

 which P. australis does not do. P. mcgalotrocha is also recorded 

 for Australia, but we did not find it. 



Habitat. — Common in the water-supply of Sydney. Afterwards 

 found in Vancouver. 



Philodina plena (Bryce). 



In Australia P. plena tends to have more than the normal 

 number of teeth, though otherwise typical. Teeth 3 to 5 in each 

 jaw. The same tendency was seen in Hawaii, and the variety is 

 figured in the paper on the Eotifera of the Pacific Islands (in a 

 later number of this Journal). 



Pleuretra alpium (Ehr.). 



The type is a large animal of a warm brown colour. It is rare, 

 and I doubt if it has been previously found outside of Europe and 

 the Arctic. It never occurs in dry moss. In warm countries a 

 small dull-coloured form (probably distinct) is common. It often 

 appears among dry mosses. 



The type was only obtained in the Australian Alps at 6000 ft. 

 The small form occurred in all the localities. Ehrenbercr described 

 a variety from the Himalaya. 



Callidina for mosa Murray, pi. V. fig. 13. 



Only known in warm countries (India, Africa, Australia). The 

 egg found in India has the poles produced. The egg found with 

 the species near Sydney was similar, but there was an additional 

 lateral knob at the widest part. 



Callidina punctata Murray. 



Though only recently discovered, it is already known in Hawaii, 

 Africa, and Australia. 



