1903.] GEOGRAPHICAL DISTRIBUTION OF SPIDERS. 365 
Cyrtaucheniidee.—Stenoterommata: Brazil, Chili. Pselligmus: 
Brazil. Hutychides: Central America, Antilles. Aporo- 
ptychus and Bolostromus: 8. America. Rhytidicolus : 
Venezuela. Phrissecia: Ecuador. Pheochta and 
Celidotopus : Venezuela. Hermacha: Brazil, Chili. 
Carteria: Chili. Rhachias: Brazil. Neocteniza: Central 
and South America. ucteniza and Hnrico: Central 
America. 
Actinopodide.—<Actinopus: Central America to the Argentine. 
Ctenizidee.—Pachylomerus: Centraland South America, W. Indies. 
Idiops and Pseudidiops : 8. America. 
Migidee.—(Undescribed genus): Chili. 
Barychelidee.—Psalistops: Venezuela. Stothis: Venezuela, W. 
Indies. Huthycelus and Hpipedesis: Venezuela, Cosmo-— 
pelma: Brazil. Trichopelma: St. Domingo, Brazil. 
Idiophthalma: Brazil. Cyrtogrammomma: Demerara. 
Homeoplacis: Brazil. 
Aviculariide. 
Aviculariine.—Mitothele : Patagonia. Thalerommata and 
Tmesiphantes: Brazil. Dryptopelma: Ecuador. Ma- 
gula: Braal. Adranochelia and Cheetorrhombus : 
Venezuela. Stichoplastus: Venezuela, Trinidad. Hapa- 
lopus: Central and South America. Jetriopelmea : 
Central America to Argentine. Cyrlopholis: W. Indies, 
Bahamas, Central America. Citharacanthus and brachy- 
pelma: Central America. Homaomma: Southern Brazil. 
Paraphysa and Phryxotrichus: Chili.  Citharoscelus : 
Chili, Argentine, Brazil. Zasiodora: 8. Brazil. Pampho- 
beteus: Ecuador, Colombia. Phormictopus: WHayti. 
Acanthoscurria: W. Indies to Argentine. Sericopelma : 
Panama, Cayenne. phebopus: ‘Amazons.  Avieularia: 
Brazil, W. Indies, Central America. Tapinauchenius : 
Central and South America. Psalmopeus: 8S. America. 
This list of 69 genera, although incomplete, shows the Neo- 
tropical Region to be far the richest of all in point of numbers, 
Moreover, all are peculiar to the Region except Pachylomerus, 
which occurs also in the Sonoran and Mediterranean Regions ; 
Idiops, which is also met with in Africa, India, and the Mediter- 
ranean Region; and Hermacha, Aporopt yohus, possibly Bolostromus, 
Hvagrus, and Ischnothele, which have been recorded from Africa, 
the last-named also ean Madagascar and India. So too ane 
family Paratropidee is confined to the Region ; the Mecicobothriidee 
exist elsewhere only in the Sonoran Region ; ; and the Actinopodidze 
only in Australia, 
