1922.] Tadpoles of Megalophrys parva. 13 
formed between them on each side of the funnel, leading 
from the lateral angle down to the mouth and .both Pr. 
Annandale and Dr. Gravely have observed a current of water 
containing minute particles flowing along this groove in the 
living animal, in which they teli me that the groove is much 
more conspicuous than in preserved material. If one were to 
agree with Dr. Malcolm Smith’s view regarding the feeding 
habits of these tadpoles, the function he assigns to the teeth is 
quite probable, but for the reasons given above I do not pro- 
pose to enter into anv discussion at present on this subject. 
Dr. Annandale, moreover, suggests that the ridges on the float 

Text-FiG. 2.—Dissection of oral apparatus from ventral surface to 
show its muscular arrangement (diagrammatic). 
