CRAYFISHES — HOBBS, HOLT, AND WALTON 



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of crayfishes belonging to three genera, Procambarus (4 species), 

 Cambarus (6 species, 2 of which, C. b. bartonii and C. acuminatus, are 

 also present in the Mountain Lake region), and Orconectes clypeatus 

 ( = Faxonella clypeata). Infesting these crayfishes were six species of 

 entocytherids (the first two of the following list occur also in the 

 Mountain Lake region) : Entocythere internotalus, Dactylocythere suteri, 

 Dt. striophylax, Ankylocythere telmoecea, An. tiphophyla, and An. 

 hobbsi (HofF)— all except the latter described as new in his report. 

 The most outstanding difference between the faunas of the Santee 

 River and the Mountain Lake region is the number of species of each 



Table 2. — Major streams, altitude ranges, stations, and numbers of species in 

 the Mountain Lake Region 



