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NOTES 



1. Pachylomerus solstitialis.— The only reason I have to infer that solstitialis is the male of caro_ 

 linensis is the fact that carolinensis is described as a female, solstitialis as a male — both from the same 

 locality; that the opposite sexes of these two species have not been found and there is nothing in 

 their structural characters to oppose this view. 



2. The old Walckenarian generic denomination Mygale, which comprised all those spiders which 

 are now considered as Territelaricv, has generally been abandoned and its species have been distributed 

 in their proper genera. 



The species of our country, described under this name by various older authors, have all been as- 

 signed their places in modern classification but two: fluviatilis, Hentz, and notasiana, Walck., which 

 have not been observed again. I have to leave these, therefore, under Mygale. 



3. Hentz united indiscriminately in his genus Herpyllus all tho Drassidre (sensu strictu) and some 

 genera of other families. I was not able to determine all his species and place them in their proper 

 genera, hut had to leave four species provisionly under the old name Herpyllus. 



4. I can not understand why Mr. Emerton has resurrected the family Cinifionidav, Blackw. Black- 

 wall has based this family upon only one characteristic point, the presence of the Cribellum and Cala- 

 mistrum, a feature which occured in tho most widely s> parated and heterogeneous forms. This family 

 was, therefore, never recognized by any other arachnologists. 



5. Thalamia.— This spider I have not seen myself nor read any description of or remarks about it 

 except the little that Hentz had to say. But in my endeavor to recognize Hentz's spiders, I have been 

 convinced that Thalamia belongs to the family TJrotehla> rather than to any other family ; the arrange- 

 ment of the eyes, the long spinnerets, and the shape of the cephalothorax will justify such opinion. 



