1914.] NATURAL SCIENCES OF PHILADELPHIA. 10.> 



San Antonio, Bexar Co., Texas, August 15-16, 1912, (R. and H.), 

 2 cf, 5 9 ; October 29, 1905, and June 16, 1908, (F. C. Pratt; on 

 Opuntia lindheimeri) , 3 9 , [U. S. N. M.]. 



Southwest Texas, November, 1884, (Schaupp), 1 cf , 3 9 , [Hebard 

 Coll.]. 



Maverick Co., Texas, May 15, 1906, (J. D. Mitchell; on Opuntia)^ 

 1 9 , [U. S. N. M.]. 



Carrizo Springs, Dimmit Co., Texas, June, 1885, May, 1886^ 

 (A. Wadgymar), 1 c^, 1 9 , [Hebard Coll.]. 



« Corpus Christi, Nueces Co., Texas, October 20, 1905, (F. C. Pratt), 

 1 cf , 1 9, [U. S. N. M.]. 



Ringgold Barracks (now Rio Grande City), Starr Co., Texas,. 

 (Schott), 1 d^, [Scudder Coll.]. 



Laguna del Gato, Hidalgo Co., Texas, elev. 175-200 feet, August 6,^ 

 1912, (R. and H.), 6 cf , 9 9 • Type, allotype and paratypes. 



Mission, Hidalgo Co., Texas, elev. 138 feet, August 5-6, 1912, 

 (R. and H.), 2 cT, 3 9. 



Victoria, Tamaulipas, Mexico, July, 1 cf, 1 9, [Hebard Coll.]; 

 December 10, 1909, (F. C. Bishop), 2 9 , [U. S. N. M.]. 



Tamos, Vera Cruz, Mexico, December 1, 1909, (F. C. Bishop),. 

 1 9 , [U. S. N. M.]. 



Dichopetala brevihastata Morae. 



1902. Dichopetala emarginata Scudder and Cockerell (not of Brunner,^ 



1878), Proc. Davenp. Acad. Sci., IX, p. .51. [Mesilla Park, New Mexico.| 

 1902. Dichopetala brevicauda Scudder (not Dichopetala hrevicauda Scudder, 



1900), Ibid., p. .51, pi. IV, fig. 1. [Riley's Ranch, Mesilla Valley, New 



Mexico; Mesilla Park, New Mexico; Mexico.] 

 1902. Dichopetala brevihadata Morse, Psyche, IX, p. 381. (To replace- 



D. hrevicauda Scudder, 1902.) 

 1907. Dichopetala brevihastata Rehn, Proc. Acad'. Nat. Sci. Phila., 1907, 



p. 56. [Carr Canyon, Huachuca Mts., Arizona.] 

 1907. Dichopetala Icevis Rehn, Ibid., p. 56, fig. 10. [Carr Canyon, Huachuca 



Mts., Arizona.] 

 1909. Dichopetala brevihastata Rehn and Hebard, Ibid., 1909, p. 167. 



[Mouth of Dry Canyon, Sacramento Mts., New Mexico.] 



This species needs comparison with no form of the genus except 

 castanea, under. which species the important differential characters 

 are given. 



Types: 1 d", 2 9 . Riley's Ranch, Mesilla Valley, New Mexico, 

 August 16 (Cockerell) ; College campus, Mesilla Park, New Mexico,, 

 on Atriplex canescens, August 2 (nee 7), (Cockerell); Mesilla Park,. 

 New Mexico, September 11 (Cockerell). 



Single Type here Designated : cf ; College campus, Mesilla Park, 

 Donna Ana County, New Mexico. August 2, 1898. (Cockerell; on 

 Atriplex canescens.) [Scudder Collection.] 



