280 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



TaMe of proportionate measxirementa. 



Astoria, Oreg., June 16, 1880. 



OIV THE CEIVITALIA OF MA¥>E EEI.S AND TSIE9R SEXUAIi CHAR- 

 AC TEKS.*" 



By S. Til. CATTIE, AraalaeaHB, HoIIaBid. 



As is well kuowu, Darwitlt has called attention to the experience of 

 Glinther that the females of fishes are in almost all cases larger than 

 the males. This was perhaps the reason that Syrski, in 18744 hi in- 

 vestigating the reprodnctive organs of eels, directed his attention more 

 especially to the smaller individuals, where he was fortunate in finding 

 what is called by many the organs of Syrski, and also considered to be 

 the male genital apparatus. Afterwards, in a variety which is known 



* Uober die Genitalien der mannlichen Aale und ihre Sexual unterschiede, von S. Th. 

 Cattie, Phil. iiat. Caud., Decent an der Realschule zu Arnheim (Holland). Extracted 

 from the Zoologischer Auzeiger, 7th June, 1880, jsp. 275-279, Translated by J. A. 

 Kyder. 



t Ch. Darwin, Descent of Man, translated into German by Cams, part ii, p. 5 et 

 seq. 



I Abhandl. d. kais. Akad. d. Wissensch., Wien, April Heft, 1874. 



