10. TROPIDONOTUS. 



20'3 



of yellow dots close together on the suture between the parietal 

 shields ; lower parts olive or grey, uniform or spotted or marbled 

 with black. 



Total length 770 millim. ; tail 170. 



North America west of the Roclsy Mountains. 



a. d (V. 163; C. 

 79). 



b. d (V. 168; C. 72). 



c. c? (V. 175 ; C. 86). 



d. cJ (V. 17:2; 0.87). 



e-7c, I. d' (V. 167, 168 ; 



C. ?,70), hgr. (V. 



164, 152, 159 ; 0. 



74,69,?), &y-.{V. 



167, 162; C. 68,81). 

 OT.Yg.(V. 161; 0.77). 

 n. d (V. 165; 0.73). 

 o,p. Hgr. d (V.167; 



0.80)& ? (V.166; 



0. 75). 

 q-r. <J (V. 136, 172 ; 



0. 87, ?). 



Banff, Rocky Mountains. 



Near Wales Oafion, Pueblo 

 Co., Oolorado, 6000- 

 7000 feet. 



Kansas. 



Washington Terrifory. 



Sumass Prairies, British 

 Oolumbia. 



Vancouver Island. 

 Victoria. 



N. Orca Island, Gulf of 

 Georgia. 



Prof 0. Eigen- 



mann [0.]. 

 T. D. A. Cockerell, 



Esq. [P.]. 



i Smithsonian Inst. 

 [P.]. (As JE. 

 vagrans.) 

 Boundary Oommis- 

 sion. 



Ool. Hawkins [0.]. 

 Dr. Brown [C.J. 

 Lords of the Ad- 

 miralty [P.]. 



lia Juana, San Diego Oo., Prof.C. Eigenmann 

 California. [0.]. 



3. Tropidonotus chrysocephalus. 



Eutesnia chrysocephala. Cope, Proa. Am. Philos. Soc. xxii. 1884, 

 p. 173. 



Eye large. Eostral broader than deep ; internasals as long as 

 broad, a litUe shorter than the prsefrontals ; frontal narrow ; loreal 

 deeper than long ; one prte- and three postoculars ; temporals 1 + 2 ; 

 eight upper labials, fourth and fifth entering the eye. Scales in 17 

 rows, all strongly keeled. Ventrals 145-151 ; anal entire; sub- 

 caudals 71-81. Head yellow or brown ; a large black nuchal spot ; 

 no dorsal stripe ; a lateral series of light spots, or a whitish stripe 

 along the second row of scales may be present; ventrals olive, with 

 or without black bases, or entirely black. 



Total length 450 millim. ; tail 135. 



South Mexico. 



a-c. d (V. 161, 142; Omilteme, Guerrero, Mr. H. H. Smith [C.l. 

 0. 81, 79) & yg. 8000 ft. F. D. Godman, 



(V. 145 ; 0. 76). Esq. [P.]. 



d $ (V. 148; 0.71). A mula, Guerrero, 8000 ft. Mr. H. H. Smith [0.]. 



F. D. Godman, 

 Esq. [P.]. 



4. Tropidonotus scaliger. 



Tropidonotus scaliger, Jan, Arch. Zool. Ancit. Phys. iii. 1865, p. 214. 

 Eutainia scalaris, jDuyh, La Naturaleza, (2) i. 1888, p. 129, pi. xiii. 

 fig. 17. 



Head short; eye moderate. Eostral broader than deep, just 



