tetrap*erus. 31. “a” dry. “b” fresh from Battle Mt. Nev. 
Var. reventoides 39. . 
tephrodes. 48, 49. “a” fresh from Socorro New Mex. 
terminalis. 39. “a” characteristic hair, S. 
Var. Capricornus. 31. Type. “a” dry. “b” fresh. “c” ventral view: 
“d” dorsal view. 
Thurberi. 10. 
Toanus. 29. Type. “a” fresh from Contact Nev. “b” fresh from Burbank 
Utah 73. 
Tolucanus. 43. Type. 
Traskiae. 67. Type. 
tr'carinatus. 65. 
trichepodus. 18. “a” fresh from Bakersfield Calif. 
triflorus. 10. San Rafael Swell Utah. II. “a” fresh 
Var. cerussatus. II. 
Var. playanus. II. Type. 
triphyllus. 7. 
triquetrus, 22. . 
troglodytus. 62. 
Tweedyi. 28, 73. 
— 52, 54. “a” fresh from Salt Lake City, “b” fresh from Marysvale 
tah. x 
vaccarum. 70 
vallaris. 38. Type. 
Vaseyi. 9. 
vestitus. 12. 
Var. Franeiscanns. 13. 
Var. Menziesii. 12. 
villosus. 26. 
Wardi. II. Monroe Utah. 
Webberi. 44. 
Wetherilli. 17. Type. 72. 
Wingatensis. I. 
Var. Dodgeanus. I. “e” fresh cross section. “d” (acerbus) from Grand 
Junction Col. “e” (acerbus). “f” (proximus) Glenwood Spr. Col. 
Woodruffi. 4. Type. “a” fresh. 
Wrightii. 68. 
Ynkonis. 7. Type. 
Zionis. 47. Type. : r i dbi 
ADDENDA. 
bicristatus var. tetrapteroides 78 
Cimensis 78 
Pattersoni var. procerus 78 
Zionis 78 
