524 
Indiana University Studies 
SUBGENUS ANTRON 
Fig. 174. Tarsal claw, C. echinus schulthessae, paratype, Kelseyville, 
Calif., Q. durata, P. Schulthess, in Kinsey coll. 
HYPOPYGIAL SPINES 
From adults uniformly enlarged to 150. mm., so relative sizes of spines 
may be seen by direct comparisons of drawings 
Fig. 175. C. echinus douglasii, Diablo, Calif., Q. lobata, F. A. Leach, 
in Kinsey coll. 
Fig. 176. C. echinus echinus, Diablo, Calif., Q. Douglasii, F. A. Leach, 
in Kinsey coll. 
Fig. 177. C. echinus vicina, paratype, Kelseyville, Calif., Q. Douglasii, 
P. Schulthess, in Kinsey coll. 
Fig. 178. C. echinus schulthessae, paratype, Kelseyville, Calif., Q. 
durata, P. Schulthess, in Kinsey coll. 
Fig. 179. C. echinus dumosae, paratype, Upland, Calif., Q. dumosa, 
Kinsey coll. 
Fig. 180. C. echinus douglasii bisex. form lobata, Three Rivers, Calif., 
Q. lobata, Kinsey coll. 
Fig. 181. C. echinus echinus bisex. form ribes, paratype, Oroville, Calif., 
Q. Douglasii, Kinsey coll. 
Fig. 182. C. echinus vicina bisex. form incepta, paratype, Kelseyville, 
Calif., Q. Douglasii, P. Schulthess, in Kinsey coll. 
Fig. 183. C. echinus scimlthessae bisex. form atrata, holotype, Kelsey- 
ville, Calif., Q. durata, P. Schulthess, in Kinsey coll. 
Fig. 184. C. echinus mista, holotype, Victorville, Calif., Q. dumosa, 
V. H. Ward, in Kinsey coll. 
Fig. 185. C. guadaloupensis guadaloupensis, holotype, Guadaloupe, 
Calif., R. W. Patterson, in Stanford Univ. 
Fig. 186. C. guadaloupensis insolens, paratype, Idyllwild, Calif., Weld, 
in Field Mus. 
Fig. 187. C. guadaloupensis patelloides, paratype (?), Idyllwild, Calif., 
Weld, in Field Mus. 
Fig. 188. C. teres clavuloides, from type lot, Sonoma County, Calif., 
A. Koebele, in Kinsey coll. 
Fig. 189. C. teres hildebrandae, holotype, Seigler Springs, Calif., Q. 
durata, Hildebrand, in Kinsey coll. 
Fig. 190. C. teres teres, paratype, Sequoia National Park, Calif., Q. 
garryana semota, Weld, in Kinsey coll. 
