On some Hermaphrodite Genitalia of the Codfish (Gadus morrhua), with Remarks upon the Morphology and Phylogeny of the Vertebrate Reproductive System

G. B. Howes
1891 Journal of the Linnean Society of London Zoology  
doi:10.1111/j.1096-3642.1891.tb02402.x fatcat:7kim7yyflvdkthrfk2sxu4f57m