1901.] NATURAL SCIENCES OF PHILADELPHIA. 593 



PHALANGIDA. 



Homolophus biceps (Thorell). 



Mitopns biceps Thorell, Bull. U. S. Geol. Surv. Terr., Ill, No. 2, p. 525 

 (1877). 



Several specimens from Beulah, Eagle creek, White Mountains, 

 and ridge between Sapello and Pecos rivers, 11,000 feet. This is 

 a common species in Colorado. In New Mexico it appears to 

 belong to the Canadian and Hudsonian zones. 



Trachyrhinus marmoratus Biinks. 



Trachyrhi/ius marmoratus Banks, Jour. N. Y. Entom. Soc, 1894, p. 145. 

 Described from Santa Fe; also found at Las Cruces, September 

 (Cockerell). 



Liobunum townsendi Weed. 



Liobunum totcnsendi Weed, Amer. Nat., 1893, p. 295. 



Described from Las Cruces (Townsend). Specimens have been 

 examined from Las Cruces, Beulah, and various places in the 

 White Mountains, some under logs and rocks, July, August and 

 September. By far the most abundant Fhalangid. 



Taracus packardi Simon. 



2'aracus p«c'^•a?'fZ^ Simon, C. R. Soc. Ent. Belg., 1879, p. Lxxiv. 

 A pair from Beulah (Cockerell). Described from Colorado, but 

 not taken by recent collectors. It is one of the rarest and most 

 interesting of our " daddy-long-legs." 



Phalangium cinereum Wood. 



Phalangium cinereuui Wood, Comm. Es.se.x. Inst., VI, p. 25 C18G8). 

 One specimen from Raton, Colfax county (Cockerell). Not 

 previously known from the West; a common species in the extreme 

 northeastern States. The specimen was taken on the railroad track 

 at Raton station, and may possibly have been introduced with 

 freight in some way. 



Sclerobunus robustus (Packard). 



Scotolemon robustus Packard, Bull. U. S. Geol. Surv. Terr., Ill, p. 164, 



(1877). 



Specimens come from Beulah (Cockerell), from Eagle creek 

 camp, White Mountains, August 21, in dead, rotten, wet pine log, 

 and ridge of Eagle creek camp. White Mountains, under log, 

 August. It belongs to the Canadian zone, both in New Mexico 

 and Colorado. 

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