BUTTERFLIES COLLECTED IN CALIFOENIA. 473 



HESPERID.^. 



63. GoNiURUS TiTTEFS. — Papilio titjrus, Fahricius, Syst. Mit. 

 p. 582. 11. 382 (1775) ; Smith, Abbot, Lepid. Insects Georgia, i. 

 pi. 19 (1797). Mendocino County. 



64. Pamphila NAPA. — Hesperia napa, W. R. Edwards, Proc. 

 JEnt. Sac. Phil. iv. p. 202, pi, i. figs. 3 & 4 (1865). One male, 

 Shasta County, in July. 



65. Pamphila stltanoides. — Hesperia sylvanoides, Boisduval, 

 Ann. Soc. Ent. France, 1852, p. 313. Sonoma, Mendocino, and 

 Siskiyou Counties. 



The female described by Boisduval is probably an insect 

 received under the name ' P. sylvanoides ' from a French dealer, 

 and which is a male considerably larger than either P. sylvanus 

 ov^P. sylvanoides. 



66. Pamphila nemobum. — Hesperia nemoruva, Boisduval, Ann. 

 Soc. Ent. France, 1852, p. 314. Mendocino County. 



67. Pamphila Columbia, Scudder, Fourth Rep. Peab. Acad. 

 Sci. for 1871, p. 77. n. 2 (1872). Shasta County. 



This species has been confounded with our European P. comma, 

 from whicb it is easily distinguishable. 



68. Pamphila melane ? — Hesperia melane, Edwards, Trans. 

 Am. Ent. Soc. ii. p. 312. Mendocino County. 



69. Ptegus euealis. — Syrichtus ruralis, Boisduval, Ann. Soc. 

 Ent. France, 1852, p. 311. Mendocino County. 



70. Ptegtjs syeiohtus. — Pamphila syrichtus, Fabricius, Syst. 

 Ent. p. 534. n. 394 (1775). Sonoma and Shasta Counties. 



71. Thanaos jittenalis. — Hesperia juvenalis, Fahricius, Ent. 

 Syst. iii. 1, p. 339. n. 291 (1793). Sonoma and Mendocino Coun- 

 ties. 



72. Thanaos ekjnius. — Nisoniades ennius, Scudder ^ Burgess, 

 Proc. Bost. Nat. Hist. Soc. xiii. p. 296, fig. 9 (1870). Sonoma 

 and Mendocino Counties. 



I strongly suspect the two preceding forms to be slight modi- 

 fications of the same species : the fact that they are usually 

 placed together in collections under the name of ''Nisoniades 

 propertius," Scudder (with which name the present series was 

 labelled), shows how much Scudder's genital distinctions can be 



LINN. .TOURN. — ZOOLOGY, VOL. XV I. 35 



