258 SIR J. W. DAWSON, C.M.G., F.R.S., ETC., ON SPECIMENS 



elusion deduced above froni Canadian crania as to the resemblance- 

 of Guancbes to Eastern Americans in certain at least of tbeir 

 physical characters. 



The following are some of tbe other dimensions of one of the- 

 Cambridge Guanche skulls (No. 122)*: Capacity 1,225; Longitu- 

 dinal diameters — glabello-occipital 18"3, opbryo-occipital 18"2 ; 

 Transverse diameters — minimum frontal 9'4, stephanoid lO'O, 

 bimastoid 12-1, biauricular 119, temporal 12-9, maximum 138, 

 asteriac 10"6 ; Height — basi-bi^egmatic 12'6 ; Index vf hreadth — 

 glab. occ. '727 oph. occ. •783 ; Index of heiglit '689 ; Horizontal 

 circumference 507 ; Angle (Daubenton) 90° ; Intermalar — superior 

 5"9, intermalar inferior 10"2. 



Professor Putnam informs me that at the International Ex- 

 hibition at Chicago a large number of measurements of American 

 heads -were obtained ; but they have not yet been published. 



* It is not known to which of the Canary Islands this cranium belongs. 



