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Spermatogenesis in spiders. 

 I. 

 By 



Theophilus S. Painter. 



(From the Sheffield. Biological Laboratory, Yale University.) 



With Plates 30-34 and 4 Figures in the text. 



Table of contents. 

 I. Introduction. 

 II. Material and methods. 

 III. Descriptive. 



Spermatogenesis of: 



Maevia vittata, gray variety. 

 Maevia vittata, tufted variety. 

 ^^Observations of female of Maevia.) 

 Dugesiella hentzi. 

 Amaurobius sylvestris. 

 SperrnapJiora meridionalis. 

 Callilepis imbecilla. 

 Linyphia marginata. 

 Epeira sericata. 

 Xysticiis triguttatus. 

 Anyphaena saltabunda . 

 Agalena naevia. 

 Dolomedes fontanus. 

 Lycosa comnwnis. 

 Oxyopes salticus. 

 Zool. Jahrb. XXXVIII. Abt. f. Anat. 34 



