498 



ARANE.E OF Is OK 111 AMERICA MARX. 



families a new and separate tribus — tbe Filitelaruc ; I have, however, 

 added to it the family Scytodidw, a family which by its character- 

 istic features belougs rather to the lower types than to the so much 

 higher developed group — the Retitelarke. Professor Simon, in his 

 " Arachn. de France," has already placed this family near the Dys- 

 deridcv. 



I have further adopted, for the family Pholcidce, Dahl's new tribus 

 Plagitelaricc, and removed it from the Retitelarke to near the preceding 

 tribus, as the structural characters of this family, the weak extremi- 

 ties, and trophies, the peculiar form of the body, the arrangement of 

 the eyes, and the peculiarly coustructed male palpi, indicate in my 

 opinion, a lower grade of development than that of the other Ketitela- 

 rian families. 



The American families treated in this catalogue now present the 

 following scheme : 



Order ARANE^. 

 Suborder I. TETRAPNEUMONES. 



I. Tribus Territelari^. 

 Family CalommatidsB. 

 Family Therapliosidaj. 



Subfamily Eriodontiuie. 

 Su"bfamily Theraphosime. 

 II. Tribus Umbellitelari^. 

 Family Hypocliilida}. 



Suborder II. DIPNEUMONES. 



III. Tribus Filitelari^. 



Family FilistatidiB. 

 Family Dysderidaj. 

 Family ScytodidJB. 



IV. Tribus Plagitelari^. 



Family Pholcidae. 



V. Tribus TUBITELARIyE. 



Family Drassidic. 

 Family Dictyuida). 

 Family Urocteid;*. 

 Family Clubionida). 



Family Catadysidae. 

 Family AgalenidJB. 

 Family Dinopidse. 



VI. Tribus Retitelari^. 



Family Prodidomidae. 

 Family Theridiiie. 



VII. Tribus ORBITELAUIiE. 



Family Epeiridro. 

 Family Tetraguatbidse. 

 Family Uloboi-iduj. 



VIII. Tribus LATERIGRADiE. 



Family Tbomisidic. 



Subfamily Thomisiuae. 



Subfamily Philodromiuse. 

 Family Sparassidie. 



IX. Tribus Citigrad.e. 

 Family Lycosida). 

 Family Oxyopidic. 

 Family PodophtlialmidaB. 

 X. Tribus Saltigrad^e. 

 Family Attida'. 



Subfamily Attiuje. 

 Subfamily Lyssomauiiia;. 



Note.— The asterisk before a name signifies that this species has been described 

 also from a foreign country. The reference notes are at the end of the catalogue. 



