190 LIFE OF PROFESSOR HUXLEY CHAP. X 



originality, and strength, I yet feel ashamed to confess 

 that I too must exclaim "tenax propositi." When was 

 it otherwise in controversy ? 



Other speculations arising out of these researches 

 had been given to the public in the form of lectures, 

 notably that on Animal Individuality at the Eoyal 

 Institution in 1852. 



But after 1854, Paleontology and administrative 

 work began to claim much of the time he would 

 willingly have bestowed upon distinctly zoological 

 research. His lectures on Natural History of course 

 demanded a good deal of first-hand investigation, 

 and not only occasional notes in his fragmentary 

 journals, but a vast mass of drawings now preserved 

 at South Kensington attest the amount of work he 

 still managed to give to these subjects. But with 

 the exception of the Hunterian Lectures of 1868, he 

 only published one paper on Invertebrates as late 

 as 1860; and only half a dozen, not counting the 

 belated " Oceanic Hydrozoa," between 1856 and 

 1859. The essay on the Crayfish did not appear 

 until after he had left Jermyn Street and Pale- 

 ontology for South Kensington. 



The "Method of Paleontology," published in 1856, 

 was the first of a long series of papers dealing with 

 fossil creatures, the description of which fell to him 

 as Naturalist to the Geological Survey. By 1860 

 he had published twelve such papers, and by 1871 

 twenty-six more, or thirty-eight in sixteen years. 



It was a curious irony of fate that led him into 



