210 COLUBRID^. 



Eight upper labials. Scales in 19 rows, outer row feebly keeled. 

 Ventrals 147-148 ; subcaudals G0-G5. Olive-brown, without 

 stripes except traces on the neck ; upper lip and lower parts dirty 

 yellow. May be regarded as a T. eques without the stripes. 



Southern Mexico, Guatemala. 



a. 2 (V. 147; C. 60), Duenas, Guatemala. O. Salvin, Esq. [C.]. 



F. Var. phenax. 



Euta-niapbenax, Cope, Proc. Ac. Philad. 1808, p. I;i4. 



Agrees in structure with the two preceding forms, but differs in 

 the total absence of stripes and the presence of reddish black-edged 

 cross bars. 



Southern Mexico. 



a. S (V. 155; C. 75). Orizaba. 



G. Var. coiicliii. 



Eiitainia couchii, Xennicott, He]}. U.S. Explor. Surv. JR. H. x. pt. 4, 



p. 10 (1857). 

 Eutsenia henshawi, Yarroic, Proc. U.S. Nat. Mus. vi. 188o, p. 152. 



Eight upper labials. Scales in 21 rows, outer row faintly 

 keeled. Blue-black above, without spots ; a narrow yellow dorsal 

 line ; belly greyish olive or black. 



"Washington Territory, California. 



H. Var. hammondii. 



Eutainia hammondii, Kemn'coti, Proc. Ac. Philad. 1860, p. 332 ; 



Cope, Wheeler. i Rep. U.S. Surv. W. lO^th Mer. v. p. 545 (1875). 

 PEutaiuia angustirostris, Kennicott, I. c. 

 Tropidonotus hammondii, Jan, Arch. Zool. Anat. Phys. iii. 1865, 



p. 215. 



Eight upper labials, fourth and fifth entering the eye. Scales 

 in 21 rows, outer row smooth or feebly keeled. Ventrals 159-171 ; 

 subcaudals 79-85. Dark olive-brown above, young olive with 

 black spots ; vertebral stripe absent, or merely indicated on the 

 nape ; a rather indistinct lateral stripe ; lower parts pale olive, 

 sometimes with a dark line along the middle posteriorly. 



California. 



a. S (V. 170; C. ?). Los Angeles, A. Erwiu Brown, Esq. 



California. [P.]. 



b. Yg. (V. 159; C. 79). Cahfornia. Lord Walsingham [P.]. 

 <: Yg. (V. 171 ; C. 85). California. 



I. Var. marcianus. 



Eutainia marciana, Baird Sf Gir. Cat. N. Am. Rept. p. 36 (1853), 

 an<l in Marcys Ecplor. Red Rir. p. 221, pi. iii. (1853); Cope, 

 Wheeler's Rep. U.S. Surv. W. \i)Oth Mer. v. p. 545 (1875). 



P Tropidonotus intermedins, Jan, Arch. Zool. Anat. J'/i^/s. iii. 1865, 

 p. 209. 



