l\\^' 4 1903 



THE GENERA AND SPECIES OF SYMPHYLA. 



The Genera and Species of the Order Symphyla. 



By 



H. J. Hnniiieii 



(Copenhagen). 



With Phites 1—7. 



I. Historical Notes. 



In 1884 Dr. K. Latzel published the second half of his 

 fine and highly valuable work 'Die Myriopoden der oster- 

 reichisch-ungarischen Mouarchie/ ii, 1884. His treatment 

 of the order Symphyla (pp. 1 — 18 and Taf. i) is a very 

 important contribution : it contains a rather detailed descrip- 

 tion of the external structure, abstracts of earlier papers on 

 some of the internal organs, notes on some larval stages, 

 the best descriptions hitherto published of three European 

 species, a sketch of the history of the systematic position of 

 the group, etc. In reality it gives both a considerable 

 addition to our knowledge, and abstracts of or reference to 

 nearly all earlier scientific papers until 1882 touching the 

 subject. I will therefore refer the student to Latzel's book, 

 and confine myself to a very short extract and a few remarks. 



We learn that Scopoli in 17G3 described the first species of 

 this order, viz. Scutigerella nivea, Avliich he referred to 

 the genus Scolopendra. 



In 1839 H. P. Gervais described another species, nota- 



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