( y-^'-i ) 



111 the Triiig- Mnseiim : f. vanroureretisin, 23 cJc?, fi ? ?, some of tliem trans- 

 itions, from: Qniney, Calif., 5. vi. '97 (Watson); S. Utah, June; Miles City, 

 Montana ; Glenwood Springs, Colorado, June, 5700 ft. (Oslar) ; S. Colorado, May 

 and June ; Farmington, New Mexico, June. 



f. albescens, 17 c?cJ from: C'alifornia ; Durango, Colorado, (i;")(l(l i't., Jnly 

 (Oslar); Grand Junction, Colorado, .July (Oshir) ; Fort Collins, Colorado, August; 

 Farmington, N. Mexico, June. 



104. Hyloicus libocedrus (I'l. XIII. f. 7, 6), 



S/iliiiix Uhnadnis Edwards, Papilio i. p. 115 (1881) (Prescott, Arizona). 



S. Resembling chersis, but even smaller than vancouverensis ; mesotiioracic 

 tegnla with a thin brown mesial line ; white or yellowish side-patches of abdomen 

 bordered all round with black. Legs as in chersis. Inner angle of forewing less 

 rounded than in any of the allied species. 



S. Tenth abdominal segment nearly as in vancouverensis : the tergite shorter, 

 and the sternite much more deeply sinuate. Harpe (PI. XXXVIII. f. 10) essentially 

 as iu vancourerensis, but the long jirocess curved downward and recurved at end. 

 Penis-sheath (PI. XXVIII. f. 02) obliiiuely truncate, without tlic elongate slender 

 process of the allied species. 



? . Not seen. 



Early stages unknown. 



Hab. Arizona and Texas, most likely more widely distributed iu the Southern 

 States and Northern Mexico. 



a. H. libocedrus libocedrus (PI. XIII. f. 7, t^). 



Sphinx Uhocedrm Edwards, I.e.; Smith, Trmis. Amer. Ent. Soc. xv. p. 183 (1888); 'EAw., Bull. 

 Amer. Mus. N. II. iv. p. 170 (1892) (Prescott, Arizona) ; Kirby, Cat. Lep. Hit. i. p. 691. n. J. 

 (1892) (Arizona). 



(?. Side-spots of abdomen white. 



Hab. Arizona, near Prescott. 



In the Tring Museum 11 c?c? from Arizona. 



b. II. libocedrus insolita. 



Sphinx iiisolild Lintner, Papilio iv. p. 145 (1884) (Rio Grande, Texas, 1 ^) ; Edw., Ent. Amer. 



iii. p. 223 (1888) ; Smith, I.e. p. 186 (1888) ; Kirby, Oit. Lep. Ilet. i. p. 691. n. 5 (1892). 

 S2>hhi.r llhocedriis, Smith, I.e. p. 184 (1888) (partim, ? ; Belfrage coll.). 



(??. Side-spots of the abdomen yellowish in both sexes. The long process of 

 the harpe a little more curved tiian in lib. libocedrus. 



Hab. Texas. 



In the Tring ]\Iuseum 1 6 without locality. In the Berlin Museum 1 c? from 

 Texas. 



10.5. Hyloicus perelegans (PI. XIII. f. 1. 2, S S). 



Sphinx jm-clerjans Edwards, I'roc. Calif. Ac. N. Sei. v. p. Ill9 (1874) (Gilroy, St. Clara, Calif.). 

 Linltieria ? perelegans, Butler, Trans. Zool. Soc. Land. ix. p. 621. n. 2 (1877) (Gilroy, St. Clara, Calif.). 



S ? . Anterior tibia and tarsus with heavy spines ; long apical spur of hind- 

 tibia not half the length of the first tarsal segment ; this much longer than the 



