PROCEEDINGS OF SECTION F. 559 



cal research and models for future investigation. It will be evident 

 that any opinions or inquiries coming from such an investigator are 

 entitled to the highest respect and consideration. 



In the end of July, 1899, he wrote me as follows : — " The two 

 Australian crania, which you wrote about in March last, reached me 

 last week, and I am much indebted to you for presenting them to the 

 Museum. The male, with the supernumerary teeth, is especially 

 interesting. I have one from Gippsland with a supplementary tooth 

 behind the left upper wisdom, and another from New South "Wales 

 with a supernumerary tooth lying in the palatal plate of the left superior 

 maxilla. The presence of three supernumeraries in one skull is, however, 

 very remarkable, and I know of no similar instance. The female skull 

 shows an extreme degree of prognathism for a human skull, and is 

 valuable on that account. Anything that you can send illustrating 

 the osteology of the Australian will be very acceptable : long bones, 

 vertebrae, sacrum, and innominate bones more especially. I shall be 

 glad to be made the custodian of such specimens as you may be able 

 to send." 



The description of the Morambro skull, which is the one referred 

 to above, was published in the Journal of Anatomy and Physiologtj, vol. 

 xxxiv., and in that account the, two other skulls also mentioned in the 

 letter are referred to as having been described by the author in his 

 Challenger Report, vol. xxix., 1884. 



Quite recently Dr. E. S. Rogers, of Adelaide, whose name is men- 

 tioned in the Challenger Report just referred to, in connection with an 

 " especially interesting " skull from Milang, gave me an aboriginal 

 skull which he found at Henley Beach. It possesses two extra upper 

 teeth. On the left side (Figs. 1 and 2) there is a completely-formed 

 full-sized fourth molar, which has not erupted. On the right side (Fig. 

 3) a supernumerary molar tooth projects on the facial aspect of the 

 superior maxilla, about the level of the third molar. 



I do not find any instance of a supernumerary molar tooth erupting 

 in such a position. Ordinary molars sometimes do. Duckworth 

 {Morphology and Anthropology, p. 279) reports a skull from the Soudan 

 with the third upper left molar similarly placed, also a skull from the 

 Punjaub, an AustraHan skull in Dr. Haddon's possession, the skull of 

 an orang-utan in the Amsterdam collection, and a prehistoric skull 

 from Jamaica in which the third upper right molar has emerged on the 

 buccal aspect of the maxilla. 



On the occurrence of supernumerary molars. Turner says : " From 

 the series of specimens which I have recorded it is obvious that the upper 

 jaw is much more frequently the seat of supernumerary teeth than is 

 the mandible." ' Thompson says {The American Text-hooh of Operative 

 Dentistry, p. 48) : " Fourth molars sometimes appear as supernumerary 

 teeth, and are either fused to the upper third molar in a variety of un- 

 couth forms or erupt separately as mere peg-shaped teeth between the 

 buccal faces of the second and third molars, or at the distal aspect of 

 the latter tooth. The fourth molar rarely appears as a full molar, 

 except in some of the large-toothed races, as negroes, Australians, &c.. 



