1872.] MR. P. L. SCLATER ON ClUADRUMANA FROM ECUADOR. 603 



variolosa), by Gravenhorst (1829, Delic. p. 30, tab. 6. fig. 2), by Du- 

 meril (1841, Erpet. Gener. viii. p. 553), by Burmeister (1856, Erlaeu- 

 terungen &c. p. 104), and was finally observed by myself in two well- 

 preserved examples, one from Babia (Dr. Wucherer, 1864) and the 

 other, possibly, from Surinam (Museum Van Lidth de Jeude, 1866), 

 which I accordingly named Hyla punctata of Schneider, and placed 

 in the British-Museum collection with this name. Moreover these 

 specimens were distinguished by a comparatively small tympanum 

 of the size indicated by Dumeril. 



The typical example of Hyla rhodoporus (Proc. Zool. Soc. 1868, 

 p. 488, pi. 37. fig. 4) from the Upper Amazons differed by lacking 

 the white lateral band, and by having the tympanum larger ; and even 

 now, after six years' immersion in spirit, no white spots on the back 

 have become visible. From a comparison of this specimen witb 

 the one from Bahia, one could scarcely believe in their specific 

 identity. 



Nevertheless I am now inclined to regard them as being of the 

 same species. Having had my attention drawn to this point by 

 Prof. Peters's note in Monatsber. Ak. Berlin, 1871, p. 403, I have 

 reexamined our examples, the number of which has been increased 

 to six ; and although there is not one among tbem which agrees with 

 H. rhodoporus in coloration, some approach it as regards general 

 form and size of the tympanum ; and I agree with Prof. Peters 

 that, with our present materials, the specific distinctness of the two 

 forms cannot be maintained. 



Finally I may remark that Hyla papillaris, Spix, Spec. Nov. p. 34, 

 tab. 8. fig. 2, may represent also a Hyla punctata without lateral 

 bands. 



6. On the Species of Quadrumana collected by Mr. Buckley 

 in Ecuador. By P. L. Sclater, M.A., Ph.D., F.B.S., 

 Secretary to the Society. 



[Eeceived May 1, 1872.] 



(Plate LIV.) 



When Mr. L. Fraser returned from Ecuador in 1860 he informed 

 me of the existence of a large Monkey in the valleys of Western 

 Ecuador, of which he had not been able to obtain specimens. I 

 heard of this fact with much interest, as, although I had paid much 

 attention to the distribution of the American Quadrumana, I was not 

 aware of any species having been then recorded from any part of 

 Western Ecuador, and I felt sure that the Monkey observed by Mr. 

 Fraser, when obtained, would turn out to be a new or little-known 

 species. 



Mr. Edward Gerrard, Jun., having kindly allowed me to examine 



