1908.] NATURAL SCIENCES OF PHILADELPHIA. 317 



Plate XII. — General CnAitACTERisTics op the Genus Tkabea (continued) 



AND SOSILAUS. 



Fig. 1. — Face of T. aurantiaca. 



Fig. 2. — Epig)Tium of T. aurantiaca. 



Fig. 3.— Male palpal organ of T. aurantiaca drawn out from the alveolus. 



Fig. 4.— Tibia of first leg of T. aurantiaca viewed from the side and below. 



Fig. 5. — Dorsal view of front part of pars cephalica of S. spiniger. 



Fig. 6. — Face of S. spiniger. 



Plate XIII. — Copulatory Organs of Species of Pardosa. 

 Fig. 1 . — Epigynum of P. saxatilis. 

 Fig. 2. — Palpus of same. 

 Fig. 3. — Epigynum of P. milvina. 

 Fig. 4. — Palpus of same. 

 Fig. 5. — Epigynum of P. sternalis. 

 Fig. 6. — Palpus of same. 

 Fig. 7. — Epigynum of P. banksi. 

 Fig. 8. — Epigvnum of P. afra. 

 Fig. 9. — Epigynum of P. pauxilla. 



Plate XIV.— Copulatory Organs of Species of Pardosa (continued). 

 Fig. 1. — Epigynum of Pardosa emertoni. 



Fig. 2.— Epigynum of P. sternalis, immature ( P=. coloradensis Bks.). 

 Fig. 3. — Epigynum of P. xerampelina. 

 Fig. 4. — Palpus of same. 

 Fig. 5. — Epigynum of P. californica. 

 Fig. 6. — Epigynum of P. grcenlandica. 

 Fig. 7. — EpigjTium of P. lapidicina. 

 Fig. 8. — Palpus of same. 

 Fig. 9. — Epigynum of P. moesta. 



Plate. XV.— Copulatory Organs of Species of Pardosa (continued). 

 Fig. 1. — Epigynum of P. modica, typical form. 

 Fig. 2.— Palpus of id., typical form (after Emerton), 

 Fig. 3. — Epigynum of P. modica var. hrunnea. 

 Fig. 4. — ^Palpusof same. 

 Fig. 5. — Epigynum of P. mackenziana. 

 Fig. 6.— Palpus of same, front view (after Emerton). 

 Fig. 7. — Id., side view (after Emerton). 

 Fig. 8. — EpigjTium of P. distincta (after Emerton). 

 Fig. 9. — Palpus of same (after Emerton). 



Plate XVI. — The Genus Schizocosa. 

 Fig. 1. — Epigynum of S. ocreata. 

 Fig. 2.— Palpus of S. saltatrix. 

 Fig. 3. — Epigynum of S. bilineata. 

 Fig. 4. — Epigynum of S. saltatrix. 

 Fig. 5. — Palpus of S. ocreata. 



Plate XVII. — Copulatory Organs of Species of Lycosa. 

 Fig. 1. — EpigjTium of L. helluo. 

 Fig. 2. — Palpus of same. 

 Fig. 3. — Epigjmum of L. erratica. 

 Fig. 4. — Palpus of same. 

 Fig. 5. — Epigynum of L. riparia. 

 Fig. 6. — Palpus of same. 

 Fig. 7. — Epigynum of L. aspersa. 

 Fig. 8. — Palpus of same. 

 Fig. 9. — Epigynum of L. scutulata. 



Plate XVIII.— Copulatory Organs of Species of Lycosa (continued). 

 Fig. 1. — Palpus of L. scutulata. 

 Fig. 2. — Epigynum of L. punctulata. 

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